O66148 (POR_PLEBO) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Light-dependent protochlorophyllide reductase
Short name=PCR
EC=1.3.1.33

Alternative name(s):
NADPH-protochlorophyllide oxidoreductase
Short name=LPOR
Short name=POR

Gene names

Name:

por

Organism

Plectonema boryanum

Taxonomic identifier

1184 [NCBI]

Taxonomic lineage

Bacteria › Cyanobacteria › Oscillatoriales › Leptolyngbya

Protein attributes

Sequence length	322 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

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

Ontologies

Keywords
Biological process	Chlorophyll biosynthesis Photosynthesis
Ligand	NADP
Molecular function	Oxidoreductase
Gene Ontology (GO)
Biological process	chlorophyll biosynthetic process Inferred from electronic annotation. Source: UniProtKB-KW photosynthesis Inferred from electronic annotation. Source: UniProtKB-KW
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 – 322	322	Light-dependent protochlorophyllide reductase		PRO_0000219916

Sequences

	Sequence		Length	Mass (Da)
	O66148 [UniParc]. Last modified July 27, 2011. Version 2. Checksum: 9233078B0F97D508	FASTA	322	35,400
	10 20 30 40 50 60 MAQDQKPTVV ITGASSGVGL YAAKALVKRG WHVVMACRNL EKADSAAKSL GMSPDSYTLM 70 80 90 100 110 120 HIDLGSLDSV RKFVTQFRES GKSLDALVCN AAVYMPLLKE PMRSPEGYEL SVATNHFGHF 130 140 150 160 170 180 LLCNLLLEDL KHSTHNDPRL IILGTVTANS KELGGKIPIP APADLGDLSG LEAGFKAPIA 190 200 210 220 230 240 MIDGKPFKAG KAYKDSKLCN MITSRELHRR YHDSTGIVFN TLYPGCVADT PLFRNSLPVF 250 260 270 280 290 300 QKVFPWFQKN ITGGYVSQEL AGERTAQVVA DPEFKQSGVH WSWGNRQKEG RESFVQELSE 310 320 KVTDDAKAKR MWELSEKLVG LA

References

[1]	"Cloning of the gene encoding a protochlorophyllide reductase: the physiological significance of the co-existence of light-dependent and -independent protochlorophyllide reduction systems in the cyanobacterium Plectonema boryanum." Fujita Y., Takagi H., Hase T. Plant Cell Physiol. 39:177-185(1998) [PubMed: 9559561] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA]. Strain: IAM M-101.
[2]	Fujita Y., Yamamoto H. Submitted (AUG-2010) to the EMBL/GenBank/DDBJ databases Cited for: SEQUENCE REVISION TO 94.

Cross-references

Sequence databases
EMBL GenBank DDBJ	AB005556 Genomic DNA. Translation: BAA25993.2.
PIR	T43931.
3D structure databases
ModBase	Search...
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Family and domain databases
InterPro	IPR002198. DH_sc/Rdtase_SDR. IPR002347. Glc/ribitol_DH. IPR016040. NAD(P)-bd_dom. IPR005979. Prochl_reduct. [Graphical view]
Gene3D	G3DSA:3.40.50.720. NAD(P)-bd. 2 hits.
PANTHER	PTHR24316:SF100. PTHR24316:SF100. 1 hit.
Pfam	PF00106. adh_short. 1 hit. [Graphical view]
PRINTS	PR00081. GDHRDH.
TIGRFAMs	TIGR01289. LPOR. 1 hit.
ProtoNet	Search...

Entry information

Entry name

POR_PLEBO

Accession

Primary (citable) accession number: O66148

Entry history

Integrated into UniProtKB/Swiss-Prot:	December 1, 2000
Last sequence update:	July 27, 2011
Last modified:	January 25, 2012
This is version 63 of the entry and version 2 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program