ID PORA_HORVU Reviewed; 388 AA. AC P13653; DT 01-JAN-1990, integrated into UniProtKB/Swiss-Prot. DT 01-JAN-1990, sequence version 1. DT 11-DEC-2019, entry version 116. DE RecName: Full=Protochlorophyllide reductase A, chloroplastic; DE Short=PCR A; DE EC=1.3.1.33; DE AltName: Full=NADPH-protochlorophyllide oxidoreductase A; DE Short=POR A; DE Flags: Precursor; GN Name=PORA; OS Hordeum vulgare (Barley). OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta; OC Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; BOP clade; OC Pooideae; Triticodae; Triticeae; Hordeinae; Hordeum. OX NCBI_TaxID=4513; RN [1] RP NUCLEOTIDE SEQUENCE [MRNA], AND PARTIAL PROTEIN SEQUENCE. RC STRAIN=cv. Carina; TISSUE=Leaf; RX PubMed=2671659; DOI=10.1007/bf02464904; RA Schuelz R., Steinmueller K., Klaas M., Forreiter C., Rasmussen S., RA Hiller C., Apel K.; RT "Nucleotide sequence of a cDNA coding for the NADPH-protochlorophyllide RT oxidoreductase (PCR) of barley (Hordeum vulgare L.) and its expression in RT Escherichia coli."; RL Mol. Gen. Genet. 217:355-361(1989). CC -!- FUNCTION: Phototransformation of protochlorophyllide (Pchlide) to CC chlorophyllide (Chlide). CC -!- CATALYTIC ACTIVITY: CC Reaction=chlorophyllide a + NADP(+) = H(+) + NADPH + CC protochlorophyllide a; Xref=Rhea:RHEA:11132, ChEBI:CHEBI:15378, CC ChEBI:CHEBI:57783, ChEBI:CHEBI:58349, ChEBI:CHEBI:83348, CC ChEBI:CHEBI:83350; EC=1.3.1.33; CC -!- PATHWAY: Porphyrin-containing compound metabolism; chlorophyll CC biosynthesis. CC -!- INTERACTION: CC Q42850:PORB; NbExp=2; IntAct=EBI-15724741, EBI-15724755; CC -!- SUBCELLULAR LOCATION: Plastid, chloroplast. CC -!- DEVELOPMENTAL STAGE: Active only transiently in etiolated seedlings at CC the beginning of illumination. CC -!- SIMILARITY: Belongs to the short-chain dehydrogenases/reductases (SDR) CC family. POR subfamily. {ECO:0000305}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; X15869; CAA33879.1; -; mRNA. DR PIR; S04783; S04783. DR SMR; P13653; -. DR DIP; DIP-46278N; -. DR IntAct; P13653; 1. DR PRIDE; P13653; -. DR eggNOG; KOG1208; Eukaryota. DR eggNOG; COG1028; LUCA. DR BRENDA; 1.3.1.33; 2687. DR UniPathway; UPA00668; -. DR ExpressionAtlas; P13653; baseline and differential. DR GO; GO:0009507; C:chloroplast; IEA:UniProtKB-SubCell. DR GO; GO:0016630; F:protochlorophyllide reductase activity; IEA:UniProtKB-EC. DR GO; GO:0015995; P:chlorophyll biosynthetic process; IEA:UniProtKB-UniPathway. DR GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW. DR InterPro; IPR036291; NAD(P)-bd_dom_sf. DR InterPro; IPR005979; Prochl_reduct. DR InterPro; IPR002347; SDR_fam. DR PANTHER; PTHR44419; PTHR44419; 1. DR Pfam; PF00106; adh_short; 1. DR PRINTS; PR00081; GDHRDH. DR SUPFAM; SSF51735; SSF51735; 1. DR TIGRFAMs; TIGR01289; LPOR; 1. PE 1: Evidence at protein level; KW Chlorophyll biosynthesis; Chloroplast; Direct protein sequencing; NADP; KW Oxidoreductase; Photosynthesis; Plastid; Transit peptide. FT TRANSIT 1..74 FT /note="Chloroplast" FT CHAIN 75..388 FT /note="Protochlorophyllide reductase A, chloroplastic" FT /id="PRO_0000023293" SQ SEQUENCE 388 AA; 41181 MW; EBD3EF153D96C129 CRC64; MALQLLPSTL SVPKKGSSMG AVAVKDTAAF LGVSSKAKKA SLAVRTQVAT APSPVTTSPG STASSPSGKK TLRQGVVVIT GASSGLGLAA AKALAETGKW HVVMACRDFL KASKAAKAAG MADGSYTVMH LDLASLDSVR QFVDAFRRAE MPLDVLVCNA AIYRPTARTP TFTADGHEMS VGVNHLGHFL LARLLMEDLQ KSDYPSRRMV IVGSITGNSN TLAGNVPPKA SLGDLRGLAG GLSGASGSAM IDGDESFDGA KAYKDSKVCN MLTMQEFHRR YHEETGITFS SLYPGCIATT GLFREHIPLF RTLFPPFQKF VTKGFVSEAE SGKRLAQVVA EPVLTKSGVY WSWNKDSASF ENQLSQEASD PEKARKVWEL SEKLVGLA //