ID A0A1Z3HUJ3_9CYAN Unreviewed; 262 AA.
AC A0A1Z3HUJ3;
DT 27-SEP-2017, integrated into UniProtKB/TrEMBL.
DT 27-SEP-2017, sequence version 1.
DT 27-MAR-2024, entry version 22.
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};
GN Name=proC {ECO:0000256|HAMAP-Rule:MF_01925,
GN ECO:0000313|EMBL:ASC73932.1};
GN ORFNames=XM38_049060 {ECO:0000313|EMBL:ASC73932.1};
OS Halomicronema hongdechloris C2206.
OC Bacteria; Cyanobacteriota; Cyanophyceae; Nodosilineales; Nodosilineaceae;
OC Halomicronema.
OX NCBI_TaxID=1641165 {ECO:0000313|EMBL:ASC73932.1, ECO:0000313|Proteomes:UP000191901};
RN [1] {ECO:0000313|EMBL:ASC73932.1, ECO:0000313|Proteomes:UP000191901}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=C2206 {ECO:0000313|EMBL:ASC73932.1,
RC ECO:0000313|Proteomes:UP000191901};
RX PubMed=26514405; DOI=10.1016/j.bbabio.2015.10.009;
RA Li Y., Lin Y., Garvey C.J., Birch D., Corkery R.W., Loughlin P.C.,
RA Scheer H., Willows R.D., Chen M.;
RT "Characterization of red-shifted phycobilisomes isolated from the
RT chlorophyll f-containing cyanobacterium Halomicronema hongdechloris.";
RL Biochim. Biophys. Acta 1857:107-114(2016).
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; CP021983; ASC73932.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1Z3HUJ3; -.
DR STRING; 1641165.XM38_19080; -.
DR KEGG; hhg:XM38_049060; -.
DR UniPathway; UPA00098; UER00361.
DR Proteomes; UP000191901; 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:UP000191901}.
FT DOMAIN 2..94
FT /note="Pyrroline-5-carboxylate reductase catalytic N-
FT terminal"
FT /evidence="ECO:0000259|Pfam:PF03807"
FT DOMAIN 156..260
FT /note="Pyrroline-5-carboxylate reductase dimerisation"
FT /evidence="ECO:0000259|Pfam:PF14748"
FT BINDING 2..7
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000193-1"
FT BINDING 51
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000193-1"
FT BINDING 64..67
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000193-1"
SQ SEQUENCE 262 AA; 26931 MW; F46DDFB04DA043DE CRC64;
MIGGGVMGEA LLSRLVAEQV FEPGAITVGE PQAERRTTLA HQYGVVATAD NQQVLSQAEV
VLLAVKPQNL AAVAADLEQA ASHGSPLLLS ILAGIPLSNL QAIVPNWPVI RAMPNTPATV
GAGMTVLAPG QGVQPHHLAQ ARRIFQTVGQ VLEVPESLMD AVTGLSGSGP GYVAIMIEAL
ADGGVAAGLP RTVALQLALQ TVRGTAELLL AKEWHPAMLK DRVTSPGGTT IAGIAQLEQA
GIRSALIEAV RTAAQRSRDL GG
//
