ID   PROA_NOSS1              Reviewed;         434 AA.
AC   Q8YV15;
DT   06-JUN-2002, integrated into UniProtKB/Swiss-Prot.
DT   17-OCT-2006, sequence version 2.
DT   25-MAY-2022, entry version 109.
DE   RecName: Full=Gamma-glutamyl phosphate reductase {ECO:0000255|HAMAP-Rule:MF_00412};
DE            Short=GPR {ECO:0000255|HAMAP-Rule:MF_00412};
DE            EC=1.2.1.41 {ECO:0000255|HAMAP-Rule:MF_00412};
DE   AltName: Full=Glutamate-5-semialdehyde dehydrogenase {ECO:0000255|HAMAP-Rule:MF_00412};
DE   AltName: Full=Glutamyl-gamma-semialdehyde dehydrogenase {ECO:0000255|HAMAP-Rule:MF_00412};
DE            Short=GSA dehydrogenase {ECO:0000255|HAMAP-Rule:MF_00412};
GN   Name=proA {ECO:0000255|HAMAP-Rule:MF_00412}; OrderedLocusNames=all2166;
OS   Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576).
OC   Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Nostoc.
OX   NCBI_TaxID=103690;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 7120 / SAG 25.82 / UTEX 2576;
RX   PubMed=11759840; DOI=10.1093/dnares/8.5.205;
RA   Kaneko T., Nakamura Y., Wolk C.P., Kuritz T., Sasamoto S., Watanabe A.,
RA   Iriguchi M., Ishikawa A., Kawashima K., Kimura T., Kishida Y., Kohara M.,
RA   Matsumoto M., Matsuno A., Muraki A., Nakazaki N., Shimpo S., Sugimoto M.,
RA   Takazawa M., Yamada M., Yasuda M., Tabata S.;
RT   "Complete genomic sequence of the filamentous nitrogen-fixing
RT   cyanobacterium Anabaena sp. strain PCC 7120.";
RL   DNA Res. 8:205-213(2001).
CC   -!- FUNCTION: Catalyzes the NADPH-dependent reduction of L-glutamate 5-
CC       phosphate into L-glutamate 5-semialdehyde and phosphate. The product
CC       spontaneously undergoes cyclization to form 1-pyrroline-5-carboxylate.
CC       {ECO:0000255|HAMAP-Rule:MF_00412}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=L-glutamate 5-semialdehyde + NADP(+) + phosphate = H(+) + L-
CC         glutamyl 5-phosphate + NADPH; Xref=Rhea:RHEA:19541,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:43474, ChEBI:CHEBI:57783,
CC         ChEBI:CHEBI:58066, ChEBI:CHEBI:58274, ChEBI:CHEBI:58349; EC=1.2.1.41;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00412};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-proline biosynthesis; L-glutamate
CC       5-semialdehyde from L-glutamate: step 2/2. {ECO:0000255|HAMAP-
CC       Rule:MF_00412}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00412}.
CC   -!- SIMILARITY: Belongs to the gamma-glutamyl phosphate reductase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00412}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=BAB73865.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; BA000019; BAB73865.1; ALT_INIT; Genomic_DNA.
DR   PIR; AH2076; AH2076.
DR   RefSeq; WP_044522932.1; NZ_RSCN01000004.1.
DR   AlphaFoldDB; Q8YV15; -.
DR   SMR; Q8YV15; -.
DR   STRING; 103690.17131257; -.
DR   EnsemblBacteria; BAB73865; BAB73865; BAB73865.
DR   KEGG; ana:all2166; -.
DR   eggNOG; COG0014; Bacteria.
DR   OMA; PGVCNAM; -.
DR   OrthoDB; 223669at2; -.
DR   UniPathway; UPA00098; UER00360.
DR   Proteomes; UP000002483; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004350; F:glutamate-5-semialdehyde dehydrogenase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0050661; F:NADP binding; IEA:InterPro.
DR   GO; GO:0055129; P:L-proline biosynthetic process; IEA:UniProtKB-UniPathway.
DR   CDD; cd07079; ALDH_F18-19_ProA-GPR; 1.
DR   Gene3D; 3.40.309.10; -; 1.
DR   Gene3D; 3.40.605.10; -; 1.
DR   HAMAP; MF_00412; ProA; 1.
DR   InterPro; IPR016161; Ald_DH/histidinol_DH.
DR   InterPro; IPR016163; Ald_DH_C.
DR   InterPro; IPR016162; Ald_DH_N.
DR   InterPro; IPR015590; Aldehyde_DH_dom.
DR   InterPro; IPR020593; G-glutamylP_reductase_CS.
DR   InterPro; IPR012134; Glu-5-SA_DH.
DR   InterPro; IPR000965; GPR_dom.
DR   Pfam; PF00171; Aldedh; 1.
DR   PIRSF; PIRSF000151; GPR; 1.
DR   SUPFAM; SSF53720; SSF53720; 1.
DR   TIGRFAMs; TIGR00407; proA; 1.
DR   PROSITE; PS01223; PROA; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Cytoplasm; NADP; Oxidoreductase;
KW   Proline biosynthesis; Reference proteome.
FT   CHAIN           1..434
FT                   /note="Gamma-glutamyl phosphate reductase"
FT                   /id="PRO_0000189683"
SQ   SEQUENCE   434 AA;  46964 MW;  6A7DD657D45D8F08 CRC64;
     MTTLQVASSL NDIAQQTRQA ASLLAMLSTE AKNQAIAAVA QALESAKEEI LQANIDDCEA
     ATAEGIAKPL YKRLQLDEHK LRDAIAGVRD VGKLADPIGQ VQIQRELDTG LVLKRITCPL
     GVLGIIFEAR PEAAIQIISL AIKSGNGVIL KCGKEAVRSC EAIVKAVKQG LSTTDVNPEV
     VQLLTTREET LELLRLDKYV DLIIPRGSNS FVRFVQENTR IPVLGHADGI CHVYIDKSAD
     IEKAIAVSVD AKVQYPAACN AIETLLVHQS IAAEFLPKVA QALAEREVEL KGDERTLQIL
     PEIAAATAID WETEYSDFIL SIKIVDSLTE AIAHINQYGS RHTDAIITED VAAVKTFFGL
     VNSAGVFHNC STRFADGFRY GFGAEVGIST QQMPPRGPVG LEGLVTYKYQ MTGAGHIVAT
     YTGENAKPFT HKDF