P15904 (POR_AVESA) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names	Recommended name: Protochlorophyllide reductase Short name=PCR EC=1.3.1.33 Alternative name(s): NADPH-protochlorophyllide oxidoreductase Short name=POR
Organism	Avena sativa (Oat)
Taxonomic identifier	4498 [NCBI]
Taxonomic lineage	cellular organisms › Eukaryota › Viridiplantae › Streptophyta › Streptophytina › Embryophyta › Tracheophyta › Euphyllophyta › Spermatophyta › Magnoliophyta › Liliopsida › commelinids › Poales › Poaceae › BEP clade › Pooideae › Poeae › Aveninae › Avena

Protein attributes

Sequence length	313 AA.
Sequence status	Fragment.
Protein existence	Evidence at transcript level

General annotation (Comments)

Function	Phototransformation of protochlorophyllide (Pchlide) to chlorophyllide (Chlide).
Catalytic activity	Chlorophyllide a + NADP+ = protochlorophyllide + NADPH.
Pathway	Porphyrin biosynthesis; chlorophyll biosynthesis.
Subcellular location	Plastid › chloroplast.
Sequence similarities	Belongs to the short-chain dehydrogenases/reductases (SDR) family. POR subfamily.

Ontologies

Keywords
Biological process	Chlorophyll biosynthesis Photosynthesis
Cellular component	Chloroplast Plastid
Ligand	NADP
Molecular function	Oxidoreductase
Gene Ontology (GO)
Biological_process	chlorophyll biosynthetic process Inferred from electronic annotation. Source: UniProtKB-UniPathway photosynthesis Inferred from electronic annotation. Source: UniProtKB-KW
Cellular_component	chloroplast Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular_function	nucleotide binding Inferred from electronic annotation. Source: InterPro protochlorophyllide reductase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	‹1 – 313	›313	Protochlorophyllide reductase		PRO_0000219915
Experimental info
	Non-terminal residue	1	1

Sequences

	Sequence		Length	Mass (Da)
	P15904 [UniParc]. Last modified April 1, 1990. Version 1. Checksum: 4F81BA5DC8D1487C	FASTA	313	33,797
	10 20 30 40 50 60 VVVITGASSG LGLAAAKALA ETGKWHVVMA CRDFLKASKA AKAAGMADGS YTVMHLDLAS 70 80 90 100 110 120 LDSVRQFVDA FRRAEMPLDV LVCNAAIYRP TARKPTFTAE GVEMSVGVNH LGHFLLARLL 130 140 150 160 170 180 LEDLQKSDYP SRRLVIVGSI TGNDNTLAGN VPPKANLGDL RGLAGGLTGA SGSAMIDGDE 190 200 210 220 230 240 SFDGAKAYKD SKVCNMLTMQ EFHRRYHEDT GITFSSLYPG CIATTGLFRE HIPLFRTLFP 250 260 270 280 290 300 PFQKFVTKGF VSEAESGKRL AQVVGEPSLT KSGVYWSWNK DSASFENQLS QEASDPEKAR 310 KVWELSEKLV GLA

References

[1]	"Cloning and sequencing of protochlorophyllide reductase." Darrah P.M., Kay S.A., Teakle G.R., Griffiths W.T. Biochem. J. 265:789-798(1990) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA]. Strain: cv. Peniarth. Tissue: Etiolated leaf.

Cross-references

Sequence databases
EMBL GenBank DDBJ	X17067 mRNA. Translation: CAA34913.1.
PIR	S08406.
3D structure databases
ProteinModelPortal	P15904.
ModBase	Search...
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Organism-specific databases
Gramene	P15904.
Enzyme and pathway databases
BRENDA	1.3.1.33. 588.
UniPathway	UPA00668.
Family and domain databases
Gene3D	3.40.50.720. 2 hits.
InterPro	IPR002198. DH_sc/Rdtase_SDR. IPR002347. Glc/ribitol_DH. IPR016040. NAD(P)-bd_dom. IPR005979. Prochl_reduct. [Graphical view]
Pfam	PF00106. adh_short. 1 hit. [Graphical view]
PRINTS	PR00081. GDHRDH.
TIGRFAMs	TIGR01289. LPOR. 1 hit.
ProtoNet	Search...

Entry information

Entry name

POR_AVESA

Accession

Primary (citable) accession number: P15904

Entry history

Integrated into UniProtKB/Swiss-Prot:	April 1, 1990
Last sequence update:	April 1, 1990
Last modified:	April 3, 2013
This is version 83 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Plant Protein Annotation Program