ID Q7V8W5_PROMM Unreviewed; 280 AA.
AC Q7V8W5;
DT 01-OCT-2003, integrated into UniProtKB/TrEMBL.
DT 01-OCT-2003, sequence version 1.
DT 27-MAR-2024, entry version 125.
DE RecName: Full=Pyrroline-5-carboxylate reductase {ECO:0000256|HAMAP-Rule:MF_01925, ECO:0000256|RuleBase:RU003903};
DE Short=P5C reductase {ECO:0000256|HAMAP-Rule:MF_01925};
DE Short=P5CR {ECO:0000256|HAMAP-Rule:MF_01925};
DE EC=1.5.1.2 {ECO:0000256|HAMAP-Rule:MF_01925, ECO:0000256|RuleBase:RU003903};
DE AltName: Full=PCA reductase {ECO:0000256|HAMAP-Rule:MF_01925};
DE Flags: Precursor;
GN Name=proC {ECO:0000256|HAMAP-Rule:MF_01925,
GN ECO:0000313|EMBL:CAE20383.1};
GN OrderedLocusNames=PMT_0208 {ECO:0000313|EMBL:CAE20383.1};
OS Prochlorococcus marinus (strain MIT 9313).
OC Bacteria; Cyanobacteriota; Cyanophyceae; Synechococcales;
OC Prochlorococcaceae; Prochlorococcus.
OX NCBI_TaxID=74547 {ECO:0000313|EMBL:CAE20383.1, ECO:0000313|Proteomes:UP000001423};
RN [1] {ECO:0000313|EMBL:CAE20383.1, ECO:0000313|Proteomes:UP000001423}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MIT 9313 {ECO:0000313|Proteomes:UP000001423};
RX PubMed=12917642; DOI=10.1038/nature01947;
RA Rocap G., Larimer F.W., Lamerdin J.E., Malfatti S., Chain P., Ahlgren N.A.,
RA Arellano A., Coleman M., Hauser L., Hess W.R., Johnson Z.I., Land M.L.,
RA Lindell D., Post A.F., Regala W., Shah M., Shaw S.L., Steglich C.,
RA Sullivan M.B., Ting C.S., Tolonen A., Webb E.A., Zinser E.R.,
RA Chisholm S.W.;
RT "Genome divergence in two Prochlorococcus ecotypes reflects oceanic niche
RT differentiation.";
RL Nature 424:1042-1047(2003).
CC -!- FUNCTION: Catalyzes the reduction of 1-pyrroline-5-carboxylate (PCA) to
CC L-proline. {ECO:0000256|HAMAP-Rule:MF_01925}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=L-proline + NAD(+) = 1-pyrroline-5-carboxylate + 2 H(+) +
CC NADH; Xref=Rhea:RHEA:14105, ChEBI:CHEBI:15378, ChEBI:CHEBI:15893,
CC ChEBI:CHEBI:57540, ChEBI:CHEBI:57945, ChEBI:CHEBI:60039; EC=1.5.1.2;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01925};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=L-proline + NADP(+) = 1-pyrroline-5-carboxylate + 2 H(+) +
CC NADPH; Xref=Rhea:RHEA:14109, ChEBI:CHEBI:15378, ChEBI:CHEBI:15893,
CC ChEBI:CHEBI:57783, ChEBI:CHEBI:58349, ChEBI:CHEBI:60039; EC=1.5.1.2;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01925,
CC ECO:0000256|RuleBase:RU003903};
CC -!- PATHWAY: Amino-acid biosynthesis; L-proline biosynthesis; L-proline
CC from L-glutamate 5-semialdehyde: step 1/1. {ECO:0000256|HAMAP-
CC Rule:MF_01925, ECO:0000256|RuleBase:RU003903}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01925}.
CC -!- SIMILARITY: Belongs to the pyrroline-5-carboxylate reductase family.
CC {ECO:0000256|ARBA:ARBA00005525, ECO:0000256|HAMAP-Rule:MF_01925,
CC ECO:0000256|RuleBase:RU003903}.
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DR EMBL; BX548175; CAE20383.1; -; Genomic_DNA.
DR AlphaFoldDB; Q7V8W5; -.
DR KEGG; pmt:PMT_0208; -.
DR eggNOG; COG0345; Bacteria.
DR HOGENOM; CLU_042344_4_1_3; -.
DR OrthoDB; 9805754at2; -.
DR UniPathway; UPA00098; UER00361.
DR Proteomes; UP000001423; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0004735; F:pyrroline-5-carboxylate reductase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0055129; P:L-proline biosynthetic process; IEA:UniProtKB-UniPathway.
DR Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 1.
DR Gene3D; 1.10.3730.10; ProC C-terminal domain-like; 1.
DR HAMAP; MF_01925; P5C_reductase; 1.
DR InterPro; IPR008927; 6-PGluconate_DH-like_C_sf.
DR InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR InterPro; IPR028939; P5C_Rdtase_cat_N.
DR InterPro; IPR029036; P5CR_dimer.
DR InterPro; IPR000304; Pyrroline-COOH_reductase.
DR NCBIfam; TIGR00112; proC; 1.
DR PANTHER; PTHR11645; PYRROLINE-5-CARBOXYLATE REDUCTASE; 1.
DR PANTHER; PTHR11645:SF0; PYRROLINE-5-CARBOXYLATE REDUCTASE; 1.
DR Pfam; PF03807; F420_oxidored; 1.
DR Pfam; PF14748; P5CR_dimer; 1.
DR PIRSF; PIRSF000193; Pyrrol-5-carb_rd; 1.
DR SUPFAM; SSF48179; 6-phosphogluconate dehydrogenase C-terminal domain-like; 1.
DR SUPFAM; SSF51735; NAD(P)-binding Rossmann-fold domains; 1.
DR PROSITE; PS00521; P5CR; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|HAMAP-Rule:MF_01925,
KW ECO:0000256|RuleBase:RU003903};
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01925};
KW NADP {ECO:0000256|ARBA:ARBA00022857, ECO:0000256|HAMAP-Rule:MF_01925};
KW Oxidoreductase {ECO:0000256|HAMAP-Rule:MF_01925,
KW ECO:0000256|RuleBase:RU003903};
KW Proline biosynthesis {ECO:0000256|HAMAP-Rule:MF_01925,
KW ECO:0000256|RuleBase:RU003903};
KW Reference proteome {ECO:0000313|Proteomes:UP000001423}.
FT DOMAIN 11..113
FT /note="Pyrroline-5-carboxylate reductase catalytic N-
FT terminal"
FT /evidence="ECO:0000259|Pfam:PF03807"
FT DOMAIN 175..279
FT /note="Pyrroline-5-carboxylate reductase dimerisation"
FT /evidence="ECO:0000259|Pfam:PF14748"
FT BINDING 14..19
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000193-1"
FT BINDING 81..84
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000193-1"
SQ SEQUENCE 280 AA; 28938 MW; 0368EFB180D0DBFF CRC64;
MASNHSMPCS LGVIGLGRMA QALVLPLLKQ GELAPQQLVA VVGCGASVER LADQLPIGLR
LKAADDPTAA EAWMAPIQLL AVKPQQLDQI AASAARLKKT ADGPHLLISV LAGVSLARLQ
QAFPAHACVR AVPNTPALVG AGLTGLSWGE GVTPEQRLAV ERLFLPVSEV LELPESQLDA
FLALTSSGPA YVALVAEAMA DGAVAAGLPR SLAHHLAHRT LAGTAALLKQ QKLHPAELKD
MVTSPGGTTI AALRKLERAG VRSALIEAVV AAAQRSRELA
//
