ID   POR_PLEBO               Reviewed;         322 AA.
AC   O66148;
DT   01-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1998, sequence version 1.
DT   16-JUN-2009, entry version 45.
DE   RecName: Full=Light-dependent protochlorophyllide reductase;
DE            Short=PCR;
DE            EC=1.3.1.33;
DE   AltName: Full=NADPH-protochlorophyllide oxidoreductase;
DE            Short=POR;
DE            Short=LPOR;
GN   Name=por;
OS   Plectonema boryanum.
OC   Bacteria; Cyanobacteria; Oscillatoriales; Leptolyngbya.
OX   NCBI_TaxID=1184;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=IAM M-101;
RX   MEDLINE=98220317; PubMed=9559561;
RA   Fujita Y., Takagi H., Hase T.;
RT   "Cloning of the gene encoding a protochlorophyllide reductase: the
RT   physiological significance of the co-existence of light-dependent and
RT   -independent protochlorophyllide reduction systems in the
RT   cyanobacterium Plectonema boryanum.";
RL   Plant Cell Physiol. 39:177-185(1998).
CC   -!- FUNCTION: Phototransformation of protochlorophyllide (Pchlide) to
CC       chlorophyllide (Chlide).
CC   -!- CATALYTIC ACTIVITY: Chlorophyllide a + NADP(+) =
CC       protochlorophyllide + NADPH.
CC   -!- PATHWAY: Porphyrin biosynthesis; chlorophyll biosynthesis.
CC   -!- SIMILARITY: Belongs to the short-chain dehydrogenases/reductases
CC       (SDR) family. POR subfamily.
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DR   EMBL; AB005556; BAA25993.1; -; Genomic_DNA.
DR   PIR; T43931; T43931.
DR   BRENDA; 1.3.1.33; 118612.
DR   GO; GO:0005488; F:binding; IEA:InterPro.
DR   GO; GO:0016630; F:protochlorophyllide reductase activity; IEA:EC.
DR   GO; GO:0015995; P:chlorophyll biosynthetic process; IEA:UniProtKB-KW.
DR   GO; GO:0055114; P:oxidation reduction; IEA:UniProtKB-KW.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW.
DR   InterPro; IPR002198; DH_sc/Rdtase_SDR.
DR   InterPro; IPR002347; Glc/ribitol_DH.
DR   InterPro; IPR016040; NAD(P)-bd_dom.
DR   InterPro; IPR005979; Prochl_reduct.
DR   Gene3D; G3DSA:3.40.50.720; NAD(P)-bd; 1.
DR   PANTHER; PTHR19410; ADH_short_C2; 1.
DR   Pfam; PF00106; adh_short; 1.
DR   PRINTS; PR00081; GDHRDH.
DR   TIGRFAMs; TIGR01289; LPOR; 1.
PE   3: Inferred from homology;
KW   Chlorophyll biosynthesis; NADP; Oxidoreductase; Photosynthesis.
FT   CHAIN         1    322       Light-dependent protochlorophyllide
FT                                reductase.
FT                                /FTId=PRO_0000219916.
SQ   SEQUENCE   322 AA;  35374 MW;  EC4AE01570C72007 CRC64;
     MAQDQKPTVV ITGASSGVGL YAAKALVKRG WHVVMACRNL EKADSAAKSL GMSPDSYTLM
     HIDLGSLDSV RKFVTQFRES GKSLDALVCN AAVHMPLLKE PMRSPEGYEL SVATNHFGHF
     LLCNLLLEDL KHSTHNDPRL IILGTVTANS KELGGKIPIP APADLGDLSG LEAGFKAPIA
     MIDGKPFKAG KAYKDSKLCN MITSRELHRR YHDSTGIVFN TLYPGCVADT PLFRNSLPVF
     QKVFPWFQKN ITGGYVSQEL AGERTAQVVA DPEFKQSGVH WSWGNRQKEG RESFVQELSE
     KVTDDAKAKR MWELSEKLVG LA
//