PORB protochlorophyllide oxidoreductase B [Arabidopsis thaliana (thale cress)] - Gene

Summary

Official Symbol: PORB
Official Full Name: protochlorophyllide oxidoreductase B
Primary source: TAIR:AT4G27440
Locus tag: AT4G27440
See related: Araport:AT4G27440
Gene type: protein coding
RefSeq status: REVIEWED
Organism: Arabidopsis thaliana (ecotype: Columbia)
Lineage: Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta; Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae; rosids; malvids; Brassicales; Brassicaceae; Camelineae; Arabidopsis
Also known as: F27G19.40; F27G19_40; protochlorophyllide oxidoreductase B; PROTOCHLOROPHYLLIDE OXIDOREDUCTASE B
Summary: light-dependent NADPH:protochlorophyllide oxidoreductase B
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Chromosome 4 - NC_003075.7 Genomic Context describing neighboring genes

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Photocatalytic LPOR forms helical lattices that shape membranes for chlorophyll synthesis.
Title: Photocatalytic LPOR forms helical lattices that shape membranes for chlorophyll synthesis.
reconstituted Pchlide-POR-NADPH complexes showed fluorescence maxima at 77 K
Title: Photoactive protochlorophyllide-enzyme complexes reconstituted with PORA, PORB and PORC proteins of A. thaliana: fluorescence and catalytic properties.
In response to illumination, light-dependent chlorophyll production, thylakoid stacking and photomorphogenesis are also restored in PORA-overexpressing porB-1 porC-1 seedlings and adult plants.
Title: Arabidopsis protochlorophyllide oxidoreductase A (PORA) restores bulk chlorophyll synthesis and normal development to a porB porC double mutant.
The analysis of PORA and PORB import into plastids of intact seedlings revealed an unexpected multiplicity of import routes that differed by their substrate, cell, tissue and organ specificities.
Title: Multiplicity of different cell- and organ-specific import routes for the NADPH-protochlorophyllide oxidoreductases A and B in plastids of Arabidopsis seedlings.

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Products	Interactant	Other Gene	Complex	Source	Pubs	Description

NM_001036654.1

NM_118879.4

Function	Evidence Code	Pubs
enables mRNA binding	IDA Inferred from Direct Assay more info	PubMed
enables protein binding	IPI Inferred from Physical Interaction more info	PubMed
enables protochlorophyllide reductase activity	IEA Inferred from Electronic Annotation more info
enables protochlorophyllide reductase activity	TAS Traceable Author Statement more info	PubMed

Process	Evidence Code	Pubs
involved_in chlorophyll biosynthetic process	IEA Inferred from Electronic Annotation more info
acts_upstream_of_or_within chlorophyll biosynthetic process	TAS Traceable Author Statement more info	PubMed
acts_upstream_of_or_within response to ethylene	IEP Inferred from Expression Pattern more info	PubMed

Component	Evidence Code	Pubs
located_in chloroplast	HDA more info	PubMed
located_in chloroplast	ISM Inferred from Sequence Model more info
located_in chloroplast	NAS Non-traceable Author Statement more info	PubMed
located_in chloroplast envelope	HDA more info	PubMed
located_in chloroplast thylakoid	HDA more info	PubMed
located_in chloroplast thylakoid membrane	HDA more info	PubMed
located_in cytosol	HDA more info	PubMed

NP_001031731.1

protochlorophyllide oxidoreductase B (PORB); FUNCTIONS IN: oxidoreductase activity, protochlorophyllide reductase activity; INVOLVED IN: chlorophyll biosynthetic process, response to ethylene stimulus; LOCATED IN: chloroplast thylakoid membrane, chloroplast, membrane; EXPRESSED IN: 22 plant structures; EXPRESSED DURING: 14 growth stages; CONTAINS InterPro DOMAIN/s: NAD(P)-binding domain (InterPro:IPR016040), Light-dependent protochlorophyllide reductase (InterPro:IPR005979), Glucose/ribitol dehydrogenase (InterPro:IPR002347), Short-chain dehydrogenase/reductase SDR (InterPro:IPR002198); BEST Arabidopsis thaliana protein match is: protochlorophyllide oxidoreductase A (TAIR:AT5G54190.1); Has 35333 Blast hits to 34131 proteins in 2444 species: Archae - 798; Bacteria - 22429; Metazoa - 974; Fungi - 991; Plants - 531; Viruses - 0; Other Eukaryotes - 9610 (source: NCBI BLink).

NP_194474.1

protochlorophyllide oxidoreductase B (PORB); FUNCTIONS IN: oxidoreductase activity, protochlorophyllide reductase activity; INVOLVED IN: chlorophyll biosynthetic process, response to ethylene stimulus; LOCATED IN: chloroplast thylakoid membrane, chloroplast, membrane, chloroplast envelope; EXPRESSED IN: 22 plant structures; EXPRESSED DURING: 14 growth stages; CONTAINS InterPro DOMAIN/s: Light-dependent protochlorophyllide reductase (InterPro:IPR005979), NAD(P)-binding domain (InterPro:IPR016040), Glucose/ribitol dehydrogenase (InterPro:IPR002347), Short-chain dehydrogenase/reductase SDR (InterPro:IPR002198); BEST Arabidopsis thaliana protein match is: protochlorophyllide oxidoreductase A (TAIR:AT5G54190.1); Has 19396 Blast hits to 19385 proteins in 2086 species: Archae - 175; Bacteria - 10514; Metazoa - 1820; Fungi - 1776; Plants - 1038; Viruses - 0; Other Eukaryotes - 4073 (source: NCBI BLink).