ID   PROB_SERMA              Reviewed;         367 AA.
AC   P17856;
DT   01-AUG-1990, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1990, sequence version 1.
DT   03-AUG-2022, entry version 115.
DE   RecName: Full=Glutamate 5-kinase {ECO:0000255|HAMAP-Rule:MF_00456};
DE            EC=2.7.2.11 {ECO:0000255|HAMAP-Rule:MF_00456};
DE   AltName: Full=Gamma-glutamyl kinase {ECO:0000255|HAMAP-Rule:MF_00456};
DE            Short=GK {ECO:0000255|HAMAP-Rule:MF_00456};
GN   Name=proB {ECO:0000255|HAMAP-Rule:MF_00456};
OS   Serratia marcescens.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Yersiniaceae; Serratia.
OX   NCBI_TaxID=615;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=Sr41;
RX   PubMed=1851803; DOI=10.1099/00221287-137-3-509;
RA   Omori K., Suzuki S., Imai Y., Komatsubara S.;
RT   "Analysis of the Serratia marcescens proBA operon and feedback control of
RT   proline biosynthesis.";
RL   J. Gen. Microbiol. 137:509-517(1991).
RN   [2]
RP   MUTANT.
RX   PubMed=1316937; DOI=10.1099/00221287-138-4-693;
RA   Omori K., Suzuki S., Imai Y., Komatsubara S.;
RT   "Analysis of the mutant proBA operon from a proline-producing strain of
RT   Serratia marcescens.";
RL   J. Gen. Microbiol. 138:693-699(1992).
CC   -!- FUNCTION: Catalyzes the transfer of a phosphate group to glutamate to
CC       form L-glutamate 5-phosphate. {ECO:0000255|HAMAP-Rule:MF_00456}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + L-glutamate = ADP + L-glutamyl 5-phosphate;
CC         Xref=Rhea:RHEA:14877, ChEBI:CHEBI:29985, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:58274, ChEBI:CHEBI:456216; EC=2.7.2.11;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00456};
CC   -!- ACTIVITY REGULATION: Proline-mediated feedback inhibition.
CC   -!- PATHWAY: Amino-acid biosynthesis; L-proline biosynthesis; L-glutamate
CC       5-semialdehyde from L-glutamate: step 1/2. {ECO:0000255|HAMAP-
CC       Rule:MF_00456}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00456}.
CC   -!- SIMILARITY: Belongs to the glutamate 5-kinase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00456}.
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DR   EMBL; X53086; CAA37254.1; -; Genomic_DNA.
DR   EMBL; D90351; BAA14364.1; -; Genomic_DNA.
DR   PIR; A49753; KISEEM.
DR   RefSeq; WP_047572529.1; NZ_VTUT01000007.1.
DR   AlphaFoldDB; P17856; -.
DR   SMR; P17856; -.
DR   STRING; 273526.SMDB11_0224; -.
DR   UniPathway; UPA00098; UER00359.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0004349; F:glutamate 5-kinase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0003723; F:RNA binding; IEA:InterPro.
DR   GO; GO:0055129; P:L-proline biosynthetic process; IEA:UniProtKB-UniPathway.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   CDD; cd04242; AAK_G5K_ProB; 1.
DR   Gene3D; 2.30.130.10; -; 1.
DR   Gene3D; 3.40.1160.10; -; 2.
DR   HAMAP; MF_00456; ProB; 1.
DR   InterPro; IPR036393; AceGlu_kinase-like_sf.
DR   InterPro; IPR001048; Asp/Glu/Uridylate_kinase.
DR   InterPro; IPR041739; G5K_ProB.
DR   InterPro; IPR001057; Glu/AcGlu_kinase.
DR   InterPro; IPR011529; Glu_5kinase.
DR   InterPro; IPR005715; Glu_5kinase/COase_Synthase.
DR   InterPro; IPR019797; Glutamate_5-kinase_CS.
DR   InterPro; IPR002478; PUA.
DR   InterPro; IPR015947; PUA-like_sf.
DR   InterPro; IPR036974; PUA_sf.
DR   Pfam; PF00696; AA_kinase; 1.
DR   Pfam; PF01472; PUA; 1.
DR   PIRSF; PIRSF000729; GK; 1.
DR   PRINTS; PR00474; GLU5KINASE.
DR   SMART; SM00359; PUA; 1.
DR   SUPFAM; SSF53633; SSF53633; 1.
DR   SUPFAM; SSF88697; SSF88697; 1.
DR   TIGRFAMs; TIGR01027; proB; 1.
DR   PROSITE; PS00902; GLUTAMATE_5_KINASE; 1.
DR   PROSITE; PS50890; PUA; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; ATP-binding; Cytoplasm; Kinase;
KW   Nucleotide-binding; Proline biosynthesis; Transferase.
FT   CHAIN           1..367
FT                   /note="Glutamate 5-kinase"
FT                   /id="PRO_0000109723"
FT   DOMAIN          275..353
FT                   /note="PUA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         10
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         50
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         137
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         149
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         169..170
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         211..217
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   VARIANT         117
FT                   /note="A -> V (in proline hyperproducing mutant; 700-X less
FT                   sensitive to proline inhibition)"
SQ   SEQUENCE   367 AA;  39170 MW;  68A2AE8F78353AD5 CRC64;
     MNGSQTLVVK LGTSVLTGGS LRLNRAHIVE LVRQCAQQHA AGHRIVIVTS GAIAAGREHL
     GYPELPATIA SKQLLAAVGQ SRLIQLWEQL FSIYGIHVGQ MLLTRADLED RERFLNARDT
     MTALLDNRIV PVINENDAVA TAEIKVGDND NLSALAAILA GADKLLLLTD QQGLYTADPR
     NNPQAELIRE VHGIDDALRA IAGDSVSGLG TGGMGTKLQA ADVACRAGID VVIAAGSKPG
     VVADVIEGKP VGTRFHALET PLENRKRWIF GAPPAGEITV DDGAVEAMMA RGSSLLPKGI
     REVKGDFSRG EVIRIRNLTG RDLAHGVSRY NSDAMRMIAG HHSQEISEIL GYEYGPVAVH
     RDDMIVS