ID Q3J6V2_NITOC Unreviewed; 278 AA.
AC Q3J6V2;
DT 08-NOV-2005, integrated into UniProtKB/TrEMBL.
DT 08-NOV-2005, sequence version 1.
DT 27-MAR-2024, entry version 107.
DE RecName: Full=Pyrroline-5-carboxylate reductase {ECO:0000256|HAMAP-Rule:MF_01925};
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};
DE AltName: Full=PCA reductase {ECO:0000256|HAMAP-Rule:MF_01925};
GN Name=proC {ECO:0000256|HAMAP-Rule:MF_01925};
GN OrderedLocusNames=Noc_3002 {ECO:0000313|EMBL:ABA59444.1};
OS Nitrosococcus oceani (strain ATCC 19707 / BCRC 17464 / JCM 30415 / NCIMB
OS 11848 / C-107).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Chromatiales; Chromatiaceae;
OC Nitrosococcus.
OX NCBI_TaxID=323261 {ECO:0000313|EMBL:ABA59444.1, ECO:0000313|Proteomes:UP000006838};
RN [1] {ECO:0000313|Proteomes:UP000006838}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 19707 / BCRC 17464 / NCIMB 11848 / C-107
RC {ECO:0000313|Proteomes:UP000006838};
RX PubMed=16957257; DOI=10.1128/AEM.00463-06;
RA Klotz M.G., Arp D.J., Chain P.S.G., El-Sheikh A.F., Hauser L.J.,
RA Hommes N.G., Larimer F.W., Malfatti S.A., Norton J.M., Poret-Peterson A.T.,
RA Vergez L.M., Ward B.B.;
RT "Complete genome sequence of the marine, chemolithoautotrophic, ammonia-
RT oxidizing bacterium Nitrosococcus oceani ATCC 19707.";
RL Appl. Environ. Microbiol. 72:6299-6315(2006).
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 -!- 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}.
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}.
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DR EMBL; CP000127; ABA59444.1; -; Genomic_DNA.
DR RefSeq; WP_011331123.1; NC_007484.1.
DR AlphaFoldDB; Q3J6V2; -.
DR STRING; 323261.Noc_3002; -.
DR KEGG; noc:Noc_3002; -.
DR eggNOG; COG0345; Bacteria.
DR HOGENOM; CLU_042344_0_1_6; -.
DR InParanoid; Q3J6V2; -.
DR UniPathway; UPA00098; UER00361.
DR Proteomes; UP000006838; 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 PRINTS; PR00958; HOMSERKINASE.
DR SUPFAM; SSF48179; 6-phosphogluconate dehydrogenase C-terminal domain-like; 1.
DR SUPFAM; SSF51735; NAD(P)-binding Rossmann-fold domains; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|HAMAP-Rule:MF_01925};
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01925};
KW NADP {ECO:0000256|ARBA:ARBA00022857, ECO:0000256|HAMAP-Rule:MF_01925};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002, ECO:0000256|HAMAP-
KW Rule:MF_01925}; Proline biosynthesis {ECO:0000256|HAMAP-Rule:MF_01925};
KW Reference proteome {ECO:0000313|Proteomes:UP000006838}.
FT DOMAIN 6..85
FT /note="Pyrroline-5-carboxylate reductase catalytic N-
FT terminal"
FT /evidence="ECO:0000259|Pfam:PF03807"
FT DOMAIN 165..269
FT /note="Pyrroline-5-carboxylate reductase dimerisation"
FT /evidence="ECO:0000259|Pfam:PF14748"
FT BINDING 9..14
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000193-1"
FT BINDING 57
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000193-1"
FT BINDING 70..73
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000193-1"
SQ SEQUENCE 278 AA; 29549 MW; E23D43E467E391B1 CRC64;
MSEQTLAFIG GGNMAASLIG GLLAGNHDAQ NIWVADPDRR KLDALHRRFG VNTTPDNLQA
VQGAAIIVLA VKPQQLRSVV TGLKNVVSPS HPLWLTIAAG IRTSDLEAWL GGDTVPIVRA
MPNTPALVQA GATALFANPH TNPDQRQAAE SVLRAVGLTL WLNDESLMEV VTALSGSGPA
YFFLVMEAME KAAIDLGLES NTARLLTLET AFGAAKMALE SEEGCASLRQ RVTSPGGTTE
RAIVTLEEAN IREAFARALQ AARDRTRELA QELGNKHA
//
