ID   PROB_COREF              Reviewed;         369 AA.
AC   Q8FN82;
DT   11-APR-2003, integrated into UniProtKB/Swiss-Prot.
DT   11-APR-2003, sequence version 2.
DT   04-NOV-2026, entry version 124.
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}; OrderedLocusNames=CE2265;
OS   Corynebacterium efficiens (strain DSM 44549 / YS-314 / AJ 12310 / JCM 11189
OS   / NBRC 100395).
OC   Bacteria; Bacillati; Actinomycetota; Actinomycetes; Mycobacteriales;
OC   Corynebacteriaceae; Corynebacterium.
OX   NCBI_TaxID=196164;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 44549 / YS-314 / AJ 12310 / JCM 11189 / NBRC 100395;
RX   PubMed=12840036; DOI=10.1101/gr.1285603;
RA   Nishio Y., Nakamura Y., Kawarabayasi Y., Usuda Y., Kimura E., Sugimoto S.,
RA   Matsui K., Yamagishi A., Kikuchi H., Ikeo K., Gojobori T.;
RT   "Comparative complete genome sequence analysis of the amino acid
RT   replacements responsible for the thermostability of Corynebacterium
RT   efficiens.";
RL   Genome Res. 13:1572-1579(2003).
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=L-glutamate + ATP = L-glutamyl 5-phosphate + ADP;
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   -!- 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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=BAC19075.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; BA000035; BAC19075.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_143758542.1; NC_004369.1.
DR   SMR; Q8FN82; -.
DR   STRING; 196164.gene:10742696; -.
DR   KEGG; cef:CE2265; -.
DR   eggNOG; COG0263; Bacteria.
DR   HOGENOM; CLU_025400_2_0_11; -.
DR   OMA; AACGQSH; -.
DR   OrthoDB; 9804434at2; -.
DR   UniPathway; UPA00098; UER00359.
DR   CDD; cd04242; AAK_G5K_ProB; 1.
DR   CDD; cd21157; PUA_G5K; 1.
DR   FunFam; 3.40.1160.10:FF:000018; Glutamate 5-kinase; 1.
DR   Gene3D; 3.40.1160.10; Acetylglutamate kinase-like; 1.
DR   Gene3D; 2.30.130.10; PUA domain; 1.
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   PANTHER; PTHR43654; GLUTAMATE 5-KINASE; 1.
DR   PANTHER; PTHR43654:SF1; ISOPENTENYL PHOSPHATE KINASE; 1.
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; Carbamate kinase-like; 1.
DR   SUPFAM; SSF88697; PUA domain-like; 1.
DR   NCBIfam; TIGR01027; proB; 1.
DR   PROSITE; PS00902; GLUTAMATE_5_KINASE; 1.
DR   PROSITE; PS50890; PUA; 1.
DR   GO; GO:0005829; C:cytosol; IEA:TreeGrafter.
DR   GO; GO:0005524; F:ATP binding; IEA:InterPro.
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-UniRule.
DR   Proteomes; UP000001409; Chromosome.
DR   AlphaFoldDB; Q8FN82; -.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; ATP-binding; Cytoplasm; Kinase;
KW   Nucleotide-binding; Proline biosynthesis; Reference proteome; Transferase.
FT   CHAIN           1..369
FT                   /note="Glutamate 5-kinase"
FT                   /id="PRO_0000109664"
FT   DOMAIN          277..351
FT                   /note="PUA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         14
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         56
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         143
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         155
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         175..176
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         215..221
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
SQ   SEQUENCE   369 AA;  38828 MW;  E2DE51352D7BEE61 CRC64;
     MRERIATAKR VVVKIGSSSL TSDEGGHTVD PNRINTIVNA LQARMEAGSD VIVVSSGSVA
     AGMAPLGLTT RPTDLSMKQA AAAVGQVHLM HQWGRSFARY GRPVGQVLLT AGDAGQRDRA
     RNAQRTIDRL RMLGVIPIVN ENDTVATTGV NFGDNDRLAA IVSHLVSADA LVLLSDVDGL
     FDKNPADPTA RFISEVRDGN DLKGVLAGDG GKVGTGGMAS KVSAARLASR SGVPVLLTSA
     ANIGPALEHA QVGTVFHPKE NRLSAWKFWA LYAADTAGKI RLDQGATEAV TSGGKSLLAV
     GITEVIGDFR AGEIVEILGP NGEIIGRGEV NYDSETLMPM LGMKTQELPD DMQRPVVHAD
     YLSNYASRA
//