Reviewed, UniProtKB/Swiss-Prot O66148 (POR_PLEBO)

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=POR
      Short name=LPOR

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.
Sequence processing	The displayed sequence is not processed.
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 oxidation reduction Inferred from electronic annotation. Source: UniProtKB-KW photosynthesis Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	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)
	O66148-1 [UniParc]. Last modified August 1, 1998. Version 1. Checksum: EC4AE01570C72007	FASTA	322	35,374
	10 20 30 40 50 60 MAQDQKPTVV ITGASSGVGL YAAKALVKRG WHVVMACRNL EKADSAAKSL GMSPDSYTLM 70 80 90 100 110 120 HIDLGSLDSV RKFVTQFRES GKSLDALVCN AAVHMPLLKE 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.

Cross-references

Sequence databases
EMBLGenBankDDBJ	AB005556 Genomic DNA. Translation: BAA25993.1.
PIR	T43931.
3D structure databases
ModBase	Search...
Enzyme and pathway databases
BRENDA	1.3.1.33. 118612.
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. 1 hit.
PANTHER	PTHR19410. ADH_short_C2. 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:	August 1, 1998
Last modified:	June 16, 2009
This is version 45 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)