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Conserved domains on  [gi|490325067|ref|WP_004214538|]
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MULTISPECIES: M14 family metallocarboxypeptidase [Enterobacteriaceae]

Protein Classification

M14 family metallocarboxypeptidase( domain architecture ID 10154631)

M14 family metallocarboxypeptidase is a zinc-binding carboxypeptidase which hydrolyzes single, C-terminal amino acids from polypeptide chains, and has a recognition site for the free C-terminal carboxyl group, which is a key determinant of specificity

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List of domain hits

Name Accession Description Interval E-value
M14_REP34-like cd06231
Peptidase M14-like domain similar to rapid encystment phenotype 34 (REP34); This family ...
51-269 1.23e-59

Peptidase M14-like domain similar to rapid encystment phenotype 34 (REP34); This family includes Francisella tularensis protein rapid encystment phenotype 34 (REP34) which is a zinc-containing monomeric protein demonstrating carboxypeptidase B-like activity. REP34 possesses a novel topology with its substrate binding pocket deviating from the canonical M14 peptidases with a possible catalytic role for a conserved tyrosine and distinct S1' recognition site. Thus, REP34, identified as an active carboxypeptidase and a potential key F. tularensis effector protein, may help elucidate a mechanistic understanding of F. tularensis infection of phagocytic cells. A functionally uncharacterized subgroup of the M14 family of metallocarboxypeptidases (MCPs). The M14 family are zinc-binding carboxypeptidases (CPs) which hydrolyze single, C-terminal amino acids from polypeptide chains, and have a recognition site for the free C-terminal carboxyl group, which is a key determinant of specificity. Two major subfamilies of the M14 family, defined based on sequence and structural homology, are the A/B and N/E subfamilies. Enzymes belonging to the A/B subfamily are normally synthesized as inactive precursors containing preceding signal peptide, followed by an N-terminal pro-region linked to the enzyme; these proenzymes are called procarboxypeptidases. The A/B enzymes can be further divided based on their substrate specificity; Carboxypeptidase A-like (CPA-like) enzymes favor hydrophobic residues while carboxypeptidase B-like (CPB-like) enzymes only cleave the basic residues lysine or arginine. The A forms have slightly different specificities, with Carboxypeptidase A1 (CPA1) preferring aliphatic and small aromatic residues, and CPA2 preferring the bulky aromatic side chains. Enzymes belonging to the N/E subfamily enzymes are not produced as inactive precursors and instead rely on their substrate specificity and subcellular compartmentalization to prevent inappropriate cleavages. They contain an extra C-terminal transthyretin-like domain, thought to be involved in folding or formation of oligomers. MCPs can also be classified based on their involvement in specific physiological processes; the pancreatic MCPs participate only in alimentary digestion and include carboxypeptidase A and B (A/B subfamily), while others, namely regulatory MCPs or the N/E subfamily, are involved in more selective reactions, mainly in non-digestive tissues and fluids, acting on blood coagulation/fibrinolysis, inflammation and local anaphylaxis, pro-hormone and neuropeptide processing, cellular response and others. Another MCP subfamily, is that of succinylglutamate desuccinylase /aspartoacylase, which hydrolyzes N-acetyl-L-aspartate (NAA), and deficiency in which is the established cause of Canavan disease. Another subfamily (referred to as subfamily C) includes an exceptional type of activity in the MCP family, that of dipeptidyl-peptidase activity of gamma-glutamyl-(L)-meso-diaminopimelate peptidase I which is involved in bacterial cell wall metabolism.


:

Pssm-ID: 349450 [Multi-domain]  Cd Length: 239  Bit Score: 189.83  E-value: 1.23e-59
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 490325067  51 VLGCPGEGNISLYQSV--NQGADVPHILIAAGFHGEEPAGCWGMLDFLREGSPELFDNVAVSFLPLVNLSGLSAGCRLNS 128
Cdd:cd06231   19 ELGEVGYQGYPLFALKspNPRGDKPRVLISAGIHGDEPAGVEALLRFLESLAEKYLRRVNLLVLPCVNPWGFERNTRENA 98
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 490325067 129 TGQNPNRGFTNGAevePSVEGKVLLNYeaLLKNAARHGVLCCHEDILRQQAYLYTFEHTARPGHFSVALRDELERFFPvm 208
Cdd:cd06231   99 DGIDLNRSFLKDS---PSPEVRALMEF--LASLGRFDLHLDLHEDWDSDGFYLYELGPALKAGRDGLQAVDAVIPPDP-- 171
                        170       180       190       200       210       220
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*..
gi 490325067 209 EKERVDGCECEDGIIFNHFDS------SFESWLYSSGSDVAACTETPGLQPFAKRAEANRYLIGAFI 269
Cdd:cd06231  172 ISLTIDGSPAPDGVILRPDDPaerpgwPFAIYLVANGAVRTYTTETPSDFPLERRVAAHLAAIRTAL 238
 
Name Accession Description Interval E-value
M14_REP34-like cd06231
Peptidase M14-like domain similar to rapid encystment phenotype 34 (REP34); This family ...
51-269 1.23e-59

Peptidase M14-like domain similar to rapid encystment phenotype 34 (REP34); This family includes Francisella tularensis protein rapid encystment phenotype 34 (REP34) which is a zinc-containing monomeric protein demonstrating carboxypeptidase B-like activity. REP34 possesses a novel topology with its substrate binding pocket deviating from the canonical M14 peptidases with a possible catalytic role for a conserved tyrosine and distinct S1' recognition site. Thus, REP34, identified as an active carboxypeptidase and a potential key F. tularensis effector protein, may help elucidate a mechanistic understanding of F. tularensis infection of phagocytic cells. A functionally uncharacterized subgroup of the M14 family of metallocarboxypeptidases (MCPs). The M14 family are zinc-binding carboxypeptidases (CPs) which hydrolyze single, C-terminal amino acids from polypeptide chains, and have a recognition site for the free C-terminal carboxyl group, which is a key determinant of specificity. Two major subfamilies of the M14 family, defined based on sequence and structural homology, are the A/B and N/E subfamilies. Enzymes belonging to the A/B subfamily are normally synthesized as inactive precursors containing preceding signal peptide, followed by an N-terminal pro-region linked to the enzyme; these proenzymes are called procarboxypeptidases. The A/B enzymes can be further divided based on their substrate specificity; Carboxypeptidase A-like (CPA-like) enzymes favor hydrophobic residues while carboxypeptidase B-like (CPB-like) enzymes only cleave the basic residues lysine or arginine. The A forms have slightly different specificities, with Carboxypeptidase A1 (CPA1) preferring aliphatic and small aromatic residues, and CPA2 preferring the bulky aromatic side chains. Enzymes belonging to the N/E subfamily enzymes are not produced as inactive precursors and instead rely on their substrate specificity and subcellular compartmentalization to prevent inappropriate cleavages. They contain an extra C-terminal transthyretin-like domain, thought to be involved in folding or formation of oligomers. MCPs can also be classified based on their involvement in specific physiological processes; the pancreatic MCPs participate only in alimentary digestion and include carboxypeptidase A and B (A/B subfamily), while others, namely regulatory MCPs or the N/E subfamily, are involved in more selective reactions, mainly in non-digestive tissues and fluids, acting on blood coagulation/fibrinolysis, inflammation and local anaphylaxis, pro-hormone and neuropeptide processing, cellular response and others. Another MCP subfamily, is that of succinylglutamate desuccinylase /aspartoacylase, which hydrolyzes N-acetyl-L-aspartate (NAA), and deficiency in which is the established cause of Canavan disease. Another subfamily (referred to as subfamily C) includes an exceptional type of activity in the MCP family, that of dipeptidyl-peptidase activity of gamma-glutamyl-(L)-meso-diaminopimelate peptidase I which is involved in bacterial cell wall metabolism.


Pssm-ID: 349450 [Multi-domain]  Cd Length: 239  Bit Score: 189.83  E-value: 1.23e-59
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 490325067  51 VLGCPGEGNISLYQSV--NQGADVPHILIAAGFHGEEPAGCWGMLDFLREGSPELFDNVAVSFLPLVNLSGLSAGCRLNS 128
Cdd:cd06231   19 ELGEVGYQGYPLFALKspNPRGDKPRVLISAGIHGDEPAGVEALLRFLESLAEKYLRRVNLLVLPCVNPWGFERNTRENA 98
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 490325067 129 TGQNPNRGFTNGAevePSVEGKVLLNYeaLLKNAARHGVLCCHEDILRQQAYLYTFEHTARPGHFSVALRDELERFFPvm 208
Cdd:cd06231   99 DGIDLNRSFLKDS---PSPEVRALMEF--LASLGRFDLHLDLHEDWDSDGFYLYELGPALKAGRDGLQAVDAVIPPDP-- 171
                        170       180       190       200       210       220
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*..
gi 490325067 209 EKERVDGCECEDGIIFNHFDS------SFESWLYSSGSDVAACTETPGLQPFAKRAEANRYLIGAFI 269
Cdd:cd06231  172 ISLTIDGSPAPDGVILRPDDPaerpgwPFAIYLVANGAVRTYTTETPSDFPLERRVAAHLAAIRTAL 238
 
Name Accession Description Interval E-value
M14_REP34-like cd06231
Peptidase M14-like domain similar to rapid encystment phenotype 34 (REP34); This family ...
51-269 1.23e-59

Peptidase M14-like domain similar to rapid encystment phenotype 34 (REP34); This family includes Francisella tularensis protein rapid encystment phenotype 34 (REP34) which is a zinc-containing monomeric protein demonstrating carboxypeptidase B-like activity. REP34 possesses a novel topology with its substrate binding pocket deviating from the canonical M14 peptidases with a possible catalytic role for a conserved tyrosine and distinct S1' recognition site. Thus, REP34, identified as an active carboxypeptidase and a potential key F. tularensis effector protein, may help elucidate a mechanistic understanding of F. tularensis infection of phagocytic cells. A functionally uncharacterized subgroup of the M14 family of metallocarboxypeptidases (MCPs). The M14 family are zinc-binding carboxypeptidases (CPs) which hydrolyze single, C-terminal amino acids from polypeptide chains, and have a recognition site for the free C-terminal carboxyl group, which is a key determinant of specificity. Two major subfamilies of the M14 family, defined based on sequence and structural homology, are the A/B and N/E subfamilies. Enzymes belonging to the A/B subfamily are normally synthesized as inactive precursors containing preceding signal peptide, followed by an N-terminal pro-region linked to the enzyme; these proenzymes are called procarboxypeptidases. The A/B enzymes can be further divided based on their substrate specificity; Carboxypeptidase A-like (CPA-like) enzymes favor hydrophobic residues while carboxypeptidase B-like (CPB-like) enzymes only cleave the basic residues lysine or arginine. The A forms have slightly different specificities, with Carboxypeptidase A1 (CPA1) preferring aliphatic and small aromatic residues, and CPA2 preferring the bulky aromatic side chains. Enzymes belonging to the N/E subfamily enzymes are not produced as inactive precursors and instead rely on their substrate specificity and subcellular compartmentalization to prevent inappropriate cleavages. They contain an extra C-terminal transthyretin-like domain, thought to be involved in folding or formation of oligomers. MCPs can also be classified based on their involvement in specific physiological processes; the pancreatic MCPs participate only in alimentary digestion and include carboxypeptidase A and B (A/B subfamily), while others, namely regulatory MCPs or the N/E subfamily, are involved in more selective reactions, mainly in non-digestive tissues and fluids, acting on blood coagulation/fibrinolysis, inflammation and local anaphylaxis, pro-hormone and neuropeptide processing, cellular response and others. Another MCP subfamily, is that of succinylglutamate desuccinylase /aspartoacylase, which hydrolyzes N-acetyl-L-aspartate (NAA), and deficiency in which is the established cause of Canavan disease. Another subfamily (referred to as subfamily C) includes an exceptional type of activity in the MCP family, that of dipeptidyl-peptidase activity of gamma-glutamyl-(L)-meso-diaminopimelate peptidase I which is involved in bacterial cell wall metabolism.


Pssm-ID: 349450 [Multi-domain]  Cd Length: 239  Bit Score: 189.83  E-value: 1.23e-59
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 490325067  51 VLGCPGEGNISLYQSV--NQGADVPHILIAAGFHGEEPAGCWGMLDFLREGSPELFDNVAVSFLPLVNLSGLSAGCRLNS 128
Cdd:cd06231   19 ELGEVGYQGYPLFALKspNPRGDKPRVLISAGIHGDEPAGVEALLRFLESLAEKYLRRVNLLVLPCVNPWGFERNTRENA 98
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 490325067 129 TGQNPNRGFTNGAevePSVEGKVLLNYeaLLKNAARHGVLCCHEDILRQQAYLYTFEHTARPGHFSVALRDELERFFPvm 208
Cdd:cd06231   99 DGIDLNRSFLKDS---PSPEVRALMEF--LASLGRFDLHLDLHEDWDSDGFYLYELGPALKAGRDGLQAVDAVIPPDP-- 171
                        170       180       190       200       210       220
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*..
gi 490325067 209 EKERVDGCECEDGIIFNHFDS------SFESWLYSSGSDVAACTETPGLQPFAKRAEANRYLIGAFI 269
Cdd:cd06231  172 ISLTIDGSPAPDGVILRPDDPaerpgwPFAIYLVANGAVRTYTTETPSDFPLERRVAAHLAAIRTAL 238
M14_MpaA-like cd06904
Peptidase M14-like domain of Escherichia coli Murein Peptide Amidase A and related proteins; ...
75-137 1.41e-08

Peptidase M14-like domain of Escherichia coli Murein Peptide Amidase A and related proteins; Peptidase M14-like domain of Escherichia coli Murein Peptide Amidase A (MpaA) and related proteins. MpaA is a member of the M14 family of metallocarboxypeptidases (MCPs), however it has an exceptional type of activity, it hydrolyzes the gamma-D-glutamyl-meso-diaminopimelic acid (gamma-D-Glu-Dap) bond in murein peptides. MpaA is specific for cleavage of the gamma-D-Glu-Dap bond of free murein tripeptide; it may also cleave murein tetrapeptide. MpaA has a different substrate specificity and cellular role than endopeptidase I, ENP1 (ENP1 does not belong to this group). MpaA works on free murein peptide in the recycling pathway.


Pssm-ID: 349475 [Multi-domain]  Cd Length: 214  Bit Score: 53.82  E-value: 1.41e-08
                         10        20        30        40        50        60
                 ....*....|....*....|....*....|....*....|....*....|....*....|....
gi 490325067  75 ILIAAGFHGEEPAGCWGMLDFLREGSPE-LFDNVAVSFLPLVNLSGLSAGCRLNSTGQNPNRGF 137
Cdd:cd06904   26 ILIIGGIHGDEPEGVSLVEHLLRWLKNHpASGDFHIVVVPCLNPDGLAAGTRTNANGVDLNRNF 89
M14-like cd06242
Peptidase M14-like domain; uncharacterized subgroup; Peptidase M14-like domain of a ...
73-139 1.07e-06

Peptidase M14-like domain; uncharacterized subgroup; Peptidase M14-like domain of a functionally uncharacterized subgroup of the M14 family of metallocarboxypeptidases (MCPs). The M14 family are zinc-binding carboxypeptidases (CPs) which hydrolyze single, C-terminal amino acids from polypeptide chains, and have a recognition site for the free C-terminal carboxyl group, which is a key determinant of specificity. Two major subfamilies of the M14 family, defined based on sequence and structural homology, are the A/B and N/E subfamilies. Enzymes belonging to the A/B subfamily are normally synthesized as inactive precursors containing preceding signal peptide, followed by an N-terminal pro-region linked to the enzyme; these proenzymes are called procarboxypeptidases. The A/B enzymes can be further divided based on their substrate specificity; Carboxypeptidase A-like (CPA-like) enzymes favor hydrophobic residues while carboxypeptidase B-like (CPB-like) enzymes only cleave the basic residues lysine or arginine. The A forms have slightly different specificities, with Carboxypeptidase A1 (CPA1) preferring aliphatic and small aromatic residues, and CPA2 preferring the bulky aromatic side chains. Enzymes belonging to the N/E subfamily enzymes are not produced as inactive precursors and instead rely on their substrate specificity and subcellular compartmentalization to prevent inappropriate cleavages. They contain an extra C-terminal transthyretin-like domain, thought to be involved in folding or formation of oligomers. MCPs can also be classified based on their involvement in specific physiological processes; the pancreatic MCPs participate only in alimentary digestion and include carboxypeptidase A and B (A/B subfamily), while others, namely regulatory MCPs or the N/E subfamily, are involved in more selective reactions, mainly in non-digestive tissues and fluids, acting on blood coagulation/fibrinolysis, inflammation and local anaphylaxis, pro-hormone and neuropeptide processing, cellular response and others. Another MCP subfamily, is that of succinylglutamate desuccinylase /aspartoacylase, which hydrolyzes N-acetyl-L-aspartate (NAA), and deficiency in which is the established cause of Canavan disease. Another subfamily (referred to as subfamily C) includes an exceptional type of activity in the MCP family, that of dipeptidyl-peptidase activity of gamma-glutamyl-(L)-meso-diaminopimelate peptidase I which is involved in bacterial cell wall metabolism.


Pssm-ID: 349461 [Multi-domain]  Cd Length: 220  Bit Score: 48.45  E-value: 1.07e-06
                         10        20        30        40        50        60        70
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|..
gi 490325067  73 PHILIAAGFHGEEPAGCWGMLDFLRE-----GSPELFDNVAVSFLPLVNLSGLSAGCRLNSTGQNPNRGFTN 139
Cdd:cd06242    2 PTVLLVGQQHGNEPAGREAALALARDlafgdDARELLEKVNVLVVPRANPDGRAANTRGNANGVDLNRDHLL 73
Peptidase_M14_like cd00596
M14 family of metallocarboxypeptidases and related proteins; The M14 family of ...
75-138 1.21e-06

M14 family of metallocarboxypeptidases and related proteins; The M14 family of metallocarboxypeptidases (MCPs), also known as funnelins, are zinc-binding carboxypeptidases (CPs) which hydrolyze single, C-terminal amino acids from polypeptide chains, and have a recognition site for the free C-terminal carboxyl group, which is a key determinant of specificity. Two major subfamilies of the M14 family, defined based on sequence and structural homology, are the A/B and N/E subfamilies. Enzymes belonging to the A/B subfamily are normally synthesized as inactive precursors containing preceding signal peptide, followed by an N-terminal pro-region linked to the enzyme; these proenzymes are called procarboxypeptidases. The A/B enzymes can be further divided based on their substrate specificity; Carboxypeptidase A-like (CPA-like) enzymes favor hydrophobic residues while carboxypeptidase B-like (CPB-like) enzymes only cleave the basic residues lysine or arginine. The A forms have slightly different specificities, with Carboxypeptidase A1 (CPA1) preferring aliphatic and small aromatic residues, and CPA2 preferring the bulky aromatic side chains. Enzymes belonging to the N/E subfamily enzymes are not produced as inactive precursors and instead rely on their substrate specificity and subcellular compartmentalization to prevent inappropriate cleavage. They contain an extra C-terminal transthyretin-like domain, thought to be involved in folding or formation of oligomers. MCPs can also be classified based on their involvement in specific physiological processes; the pancreatic MCPs participate only in alimentary digestion and include carboxypeptidase A and B (A/B subfamily), while others, namely regulatory MCPs or the N/E subfamily, are involved in more selective reactions, mainly in non-digestive tissues and fluids, acting on blood coagulation/fibrinolysis, inflammation and local anaphylaxis, pro-hormone and neuropeptide processing, cellular response and others. Another MCP subfamily, is that of succinylglutamate desuccinylase /aspartoacylase, which hydrolyzes N-acetyl-L-aspartate (NAA), and deficiency in which is the established cause of Canavan disease. Another subfamily (referred to as subfamily C) includes an exceptional type of activity in the MCP family, that of dipeptidyl-peptidase activity of gamma-glutamyl-(L)-meso-diaminopimelate peptidase I which is involved in bacterial cell wall metabolism.


Pssm-ID: 349427 [Multi-domain]  Cd Length: 216  Bit Score: 48.22  E-value: 1.21e-06
                         10        20        30        40        50        60        70
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 490325067  75 ILIAAGFHGEEPAGCWGMLDFLRE--------GSPELFDNVAVSFLPLVNLSGLSAGC----RLNSTGQNPNRGFT 138
Cdd:cd00596    1 ILITGGIHGNEVIGVELALALIEYllenygndPLKRLLDNVELWIVPLVNPDGFARVIdsggRKNANGVDLNRNFP 76
M14-like cd06239
Peptidase M14-like domain; uncharacterized subgroup; Peptidase M14-like domain of a ...
74-135 3.73e-04

Peptidase M14-like domain; uncharacterized subgroup; Peptidase M14-like domain of a functionally uncharacterized subgroup of the M14 family of metallocarboxypeptidases (MCPs). The M14 family are zinc-binding carboxypeptidases (CPs) which hydrolyze single, C-terminal amino acids from polypeptide chains, and have a recognition site for the free C-terminal carboxyl group, which is a key determinant of specificity. Two major subfamilies of the M14 family, defined based on sequence and structural homology, are the A/B and N/E subfamilies. Enzymes belonging to the A/B subfamily are normally synthesized as inactive precursors containing preceding signal peptide, followed by an N-terminal pro-region linked to the enzyme; these proenzymes are called procarboxypeptidases. The A/B enzymes can be further divided based on their substrate specificity; Carboxypeptidase A-like (CPA-like) enzymes favor hydrophobic residues while carboxypeptidase B-like (CPB-like) enzymes only cleave the basic residues lysine or arginine. The A forms have slightly different specificities, with Carboxypeptidase A1 (CPA1) preferring aliphatic and small aromatic residues, and CPA2 preferring the bulky aromatic side chains. Enzymes belonging to the N/E subfamily enzymes are not produced as inactive precursors and instead rely on their substrate specificity and subcellular compartmentalization to prevent inappropriate cleavage. They contain an extra C-terminal transthyretin-like domain, thought to be involved in folding or formation of oligomers. MCPs can also be classified based on their involvement in specific physiological processes; the pancreatic MCPs participate only in alimentary digestion and include carboxypeptidase A and B (A/B subfamily), while others, namely regulatory MCPs or the N/E subfamily, are involved in more selective reactions, mainly in non-digestive tissues and fluids, acting on blood coagulation/fibrinolysis, inflammation and local anaphylaxis, pro-hormone and neuropeptide processing, cellular response and others. Another MCP subfamily, is that of succinylglutamate desuccinylase /aspartoacylase, which hydrolyzes N-acetyl-L-aspartate (NAA), and deficiency in which is the established cause of Canavan disease. Another subfamily (referred to as subfamily C) includes an exceptional type of activity in the MCP family, that of dipeptidyl-peptidase activity of gamma-glutamyl-(L)-meso-diaminopimelate peptidase I which is involved in bacterial cell wall metabolism.


Pssm-ID: 349458 [Multi-domain]  Cd Length: 194  Bit Score: 40.48  E-value: 3.73e-04
                         10        20        30        40        50        60
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*...
gi 490325067  74 HILIAAGFHGEEPAGCWGMLDFLREGSPE------LFDNVAVSFLPLVNLSGLSAGCRLNSTGQNPNR 135
Cdd:cd06239    1 KVLLWSQMHGNEPTGTEALLDLISYLRRErqefekILERLTLVAIPMLNPDGAELFTRHNAEGIDLNR 68
M14-like cd06241
Peptidase M14-like domain; uncharacterized subgroup; Peptidase M14-like domain of a ...
73-261 6.13e-04

Peptidase M14-like domain; uncharacterized subgroup; Peptidase M14-like domain of a functionally uncharacterized subgroup of the M14 family of metallocarboxypeptidases (MCPs). The M14 family are zinc-binding carboxypeptidases (CPs) which hydrolyze single, C-terminal amino acids from polypeptide chains, and have a recognition site for the free C-terminal carboxyl group, which is a key determinant of specificity. Two major subfamilies of the M14 family, defined based on sequence and structural homology, are the A/B and N/E subfamilies. Enzymes belonging to the A/B subfamily are normally synthesized as inactive precursors containing preceding signal peptide, followed by an N-terminal pro-region linked to the enzyme; these proenzymes are called procarboxypeptidases. The A/B enzymes can be further divided based on their substrate specificity; Carboxypeptidase A-like (CPA-like) enzymes favor hydrophobic residues while carboxypeptidase B-like (CPB-like) enzymes only cleave the basic residues lysine or arginine. The A forms have slightly different specificities, with Carboxypeptidase A1 (CPA1) preferring aliphatic and small aromatic residues, and CPA2 preferring the bulky aromatic side chains. Enzymes belonging to the N/E subfamily enzymes are not produced as inactive precursors and instead rely on their substrate specificity and subcellular compartmentalization to prevent inappropriate cleavage. They contain an extra C-terminal transthyretin-like domain, thought to be involved in folding or formation of oligomers. MCPs can also be classified based on their involvement in specific physiological processes; the pancreatic MCPs participate only in alimentary digestion and include carboxypeptidase A and B (A/B subfamily), while others, namely regulatory MCPs or the N/E subfamily, are involved in more selective reactions, mainly in non-digestive tissues and fluids, acting on blood coagulation/fibrinolysis, inflammation and local anaphylaxis, pro-hormone and neuropeptide processing, cellular response and others. Another MCP subfamily, is that of succinylglutamate desuccinylase /aspartoacylase, which hydrolyzes N-acetyl-L-aspartate (NAA), and deficiency in which is the established cause of Canavan disease. Another subfamily (referred to as subfamily C) includes an exceptional type of activity in the MCP family, that of dipeptidyl-peptidase activity of gamma-glutamyl-(L)-meso-diaminopimelate peptidase I which is involved in bacterial cell wall metabolism.


Pssm-ID: 349460 [Multi-domain]  Cd Length: 215  Bit Score: 40.32  E-value: 6.13e-04
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 490325067  73 PHILIAAGFHGEEPAGCWGMLDFLRE----GSPELFDNVAVSFLPLVNLSG---------------LSAGCRLNSTGQNP 133
Cdd:cd06241    2 PVVLIQAGIHPGEVEGKEASLMLLRDiaqgGKKHLLDNLILLFVPIFNADGndrrskgnrpnqngpLEVGWRTNAQGLDL 81
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 490325067 134 NRGFTNgaevepsVEGKVLLNYEALLKNAARHGVLCCHE-DILRQQAYL-YTFEHTARPGHFSVA-LRDeleRFFP-VME 209
Cdd:cd06241   82 NRDFMK-------LEAPETRALAKLFNQWDPDLFIDTHTtDGSDHQYDLtYAFSQNPAGDPGLSAyVRD---VFLPaVSA 151
                        170       180       190       200       210       220
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....
gi 490325067 210 KERVDGcecedGIIFNHFDSSFESWL------------YSSG-SDVAAC----TETPGLQPFAKRAEAN 261
Cdd:cd06241  152 ALERKG-----HLPLPGIDGNDGGDPskgwytythhprYSTGyGGLRNRmsilVETYSLKPFKQRVLAT 215
M14-like cd03857
Peptidase M14-like domain; uncharacterized subfamily; Peptidase M14-like domain of a ...
75-139 3.43e-03

Peptidase M14-like domain; uncharacterized subfamily; Peptidase M14-like domain of a functionally uncharacterized subgroup of the M14 family of metallocarboxypeptidases (MCPs). The M14 family are zinc-binding carboxypeptidases (CPs) which hydrolyze single, C-terminal amino acids from polypeptide chains, and have a recognition site for the free C-terminal carboxyl group, which is a key determinant of specificity. Two major subfamilies of the M14 family, defined based on sequence and structural homology, are the A/B and N/E subfamilies. Enzymes belonging to the A/B subfamily are normally synthesized as inactive precursors containing preceding signal peptide, followed by an N-terminal pro-region linked to the enzyme; these proenzymes are called procarboxypeptidases. The A/B enzymes can be further divided based on their substrate specificity; Carboxypeptidase A-like (CPA-like) enzymes favor hydrophobic residues while carboxypeptidase B-like (CPB-like) enzymes only cleave the basic residues lysine or arginine. The A forms have slightly different specificities, with Carboxypeptidase A1 (CPA1) preferring aliphatic and small aromatic residues, and CPA2 preferring the bulky aromatic side chains. Enzymes belonging to the N/E subfamily enzymes are not produced as inactive precursors and instead rely on their substrate specificity and subcellular compartmentalization to prevent inappropriate cleavage. They contain an extra C-terminal transthyretin-like domain, thought to be involved in folding or formation of oligomers. MCPs can also be classified based on their involvement in specific physiological processes; the pancreatic MCPs participate only in alimentary digestion and include carboxypeptidase A and B (A/B subfamily), while others, namely regulatory MCPs or the N/E subfamily, are involved in more selective reactions, mainly in non-digestive tissues and fluids, acting on blood coagulation/fibrinolysis, inflammation and local anaphylaxis, pro-hormone and neuropeptide processing, cellular response and others. Another MCP subfamily, is that of succinylglutamate desuccinylase /aspartoacylase, which hydrolyzes N-acetyl-L-aspartate (NAA), and deficiency in which is the established cause of Canavan disease. Another subfamily (referred to as subfamily C) includes an exceptional type of activity in the MCP family, that of dipeptidyl-peptidase activity of gamma-glutamyl-(L)-meso-diaminopimelate peptidase I which is involved in bacterial cell wall metabolism.


Pssm-ID: 349430 [Multi-domain]  Cd Length: 203  Bit Score: 37.82  E-value: 3.43e-03
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 490325067  75 ILIAAGFHGEEPAGCWGMLDFLR----EGSP--ELFDNVAVSFLPLVNLSG-------------LSAGCRLNSTGQNPNR 135
Cdd:cd03857    2 VLLAAQIHGNETTGTEALMELIRdlasESDEaaKLLDNIVILLVPQLNPDGaelfvnfyldsmnGLPGTRYNANGIDLNR 81

                 ....
gi 490325067 136 GFTN 139
Cdd:cd03857   82 DHVK 85
 
Blast search parameters
Data Source: Precalculated data, version = cdd.v.3.21
Preset Options:Database: CDSEARCH/cdd   Low complexity filter: no  Composition Based Adjustment: yes   E-value threshold: 0.01

References:

  • Wang J et al. (2023), "The conserved domain database in 2023", Nucleic Acids Res.51(D)384-8.
  • Lu S et al. (2020), "The conserved domain database in 2020", Nucleic Acids Res.48(D)265-8.
  • Marchler-Bauer A et al. (2017), "CDD/SPARCLE: functional classification of proteins via subfamily domain architectures.", Nucleic Acids Res.45(D)200-3.
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