alpha/beta hydrolase family protein may catalyze the hydrolysis of substrates with different chemical composition or physicochemical properties using a nucleophile-His-acid catalytic triad
alpha/beta hydrolases; A functionally diverse superfamily containing proteases, lipases, ...
6-279
1.14e-110
alpha/beta hydrolases; A functionally diverse superfamily containing proteases, lipases, peroxidases, esterases, epoxide hydrolases and dehalogenases. The catalytic apparatus typically involves three residues (catalytic triad): a serine, a glutamate or aspartate and a histidine, and often the mechanism involves a nucleophilic attack on a carbonyl carbon atom.
The actual alignment was detected with superfamily member TIGR02821:
Pssm-ID: 473884 Cd Length: 275 Bit Score: 320.96 E-value: 1.14e-110
S-formylglutathione hydrolase; This model describes a protein family from bacteria, yeast, and ...
6-279
1.14e-110
S-formylglutathione hydrolase; This model describes a protein family from bacteria, yeast, and human, with a conserved critical role in formaldehyde detoxification as S-formylglutathione hydrolase (EC 3.1.2.12). Members in eukaryotes such as the human protein are better known as esterase D (EC 3.1.1.1), an enzyme with broad specificity, although S-formylglutathione hydrolase has now been demonstrated as well. [Cellular processes, Detoxification]
Pssm-ID: 131868 Cd Length: 275 Bit Score: 320.96 E-value: 1.14e-110
Putative esterase; This family contains Esterase D. However it is not clear if all members of ...
24-278
4.20e-38
Putative esterase; This family contains Esterase D. However it is not clear if all members of the family have the same function. This family is related to the pfam00135 family.
Pssm-ID: 395613 [Multi-domain] Cd Length: 246 Bit Score: 134.51 E-value: 4.20e-38
Lipase. Lipases are esterases that can hydrolyze long-chain acyl-triglycerides into di- and ...
123-267
4.75e-03
Lipase. Lipases are esterases that can hydrolyze long-chain acyl-triglycerides into di- and monoglycerides, glycerol, and free fatty acids at a water/lipid interface. A typical feature of lipases is "interfacial activation", the process of becoming active at the lipid/water interface, although several examples of lipases have been identified that do not undergo interfacial activation . The active site of a lipase contains a catalytic triad consisting of Ser - His - Asp/Glu, but unlike most serine proteases, the active site is buried inside the structure. A "lid" or "flap" covers the active site, making it inaccessible to solvent and substrates. The lid opens during the process of interfacial activation, allowing the lipid substrate access to the active site.
Pssm-ID: 238382 [Multi-domain] Cd Length: 153 Bit Score: 36.71 E-value: 4.75e-03
S-formylglutathione hydrolase; This model describes a protein family from bacteria, yeast, and ...
6-279
1.14e-110
S-formylglutathione hydrolase; This model describes a protein family from bacteria, yeast, and human, with a conserved critical role in formaldehyde detoxification as S-formylglutathione hydrolase (EC 3.1.2.12). Members in eukaryotes such as the human protein are better known as esterase D (EC 3.1.1.1), an enzyme with broad specificity, although S-formylglutathione hydrolase has now been demonstrated as well. [Cellular processes, Detoxification]
Pssm-ID: 131868 Cd Length: 275 Bit Score: 320.96 E-value: 1.14e-110
Putative esterase; This family contains Esterase D. However it is not clear if all members of ...
24-278
4.20e-38
Putative esterase; This family contains Esterase D. However it is not clear if all members of the family have the same function. This family is related to the pfam00135 family.
Pssm-ID: 395613 [Multi-domain] Cd Length: 246 Bit Score: 134.51 E-value: 4.20e-38
Lipase. Lipases are esterases that can hydrolyze long-chain acyl-triglycerides into di- and ...
123-267
4.75e-03
Lipase. Lipases are esterases that can hydrolyze long-chain acyl-triglycerides into di- and monoglycerides, glycerol, and free fatty acids at a water/lipid interface. A typical feature of lipases is "interfacial activation", the process of becoming active at the lipid/water interface, although several examples of lipases have been identified that do not undergo interfacial activation . The active site of a lipase contains a catalytic triad consisting of Ser - His - Asp/Glu, but unlike most serine proteases, the active site is buried inside the structure. A "lid" or "flap" covers the active site, making it inaccessible to solvent and substrates. The lid opens during the process of interfacial activation, allowing the lipid substrate access to the active site.
Pssm-ID: 238382 [Multi-domain] Cd Length: 153 Bit Score: 36.71 E-value: 4.75e-03
Serine aminopeptidase, S33; This domain is found in bacteria and eukaryotes and is ...
126-175
5.53e-03
Serine aminopeptidase, S33; This domain is found in bacteria and eukaryotes and is approximately 110 amino acids in length. It is found in association with pfam00561. The majority of the members in this family carry the exopeptidase active-site residues of Ser-122, Asp-239 and His-269 as in UniProtKB:Q7ZWC2.
Pssm-ID: 463473 [Multi-domain] Cd Length: 238 Bit Score: 37.58 E-value: 5.53e-03
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.
of the residues that compose this conserved feature have been mapped to the query sequence.
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