ID   PROB_NITOC              Reviewed;         375 AA.
AC   Q3J6R9;
DT   04-APR-2006, integrated into UniProtKB/Swiss-Prot.
DT   08-NOV-2005, sequence version 1.
DT   27-MAR-2024, entry version 96.
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};
GN   OrderedLocusNames=Noc_3036;
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;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 19707 / BCRC 17464 / JCM 30415 / NCIMB 11848 / C-107;
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 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   -!- 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; CP000127; ABA59477.1; -; Genomic_DNA.
DR   RefSeq; WP_002813187.1; NC_007484.1.
DR   AlphaFoldDB; Q3J6R9; -.
DR   SMR; Q3J6R9; -.
DR   STRING; 323261.Noc_3036; -.
DR   KEGG; noc:Noc_3036; -.
DR   eggNOG; COG0263; Bacteria.
DR   HOGENOM; CLU_025400_2_0_6; -.
DR   InParanoid; Q3J6R9; -.
DR   UniPathway; UPA00098; UER00359.
DR   Proteomes; UP000006838; Chromosome.
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   CDD; cd21157; PUA_G5K; 1.
DR   Gene3D; 3.40.1160.10; Acetylglutamate kinase-like; 2.
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   NCBIfam; TIGR01027; proB; 1.
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   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; Reference proteome; Transferase.
FT   CHAIN           1..375
FT                   /note="Glutamate 5-kinase"
FT                   /id="PRO_0000230049"
FT   DOMAIN          283..361
FT                   /note="PUA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         17
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         57
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         144
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         156
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         176..177
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
SQ   SEQUENCE   375 AA;  40958 MW;  12E4F15C78A20C65 CRC64;
     MGNHRSDLKA TRRWVVKVGS ALLTANGRGL DTGCIQELAS HIARLRNKGY TIVLVSSGSV
     AAGMERLGWR RRPRALYELQ AAAAVGQMGL IQAYESEFQH HNQHTAQILL THEDLANRSR
     YLNARSTLRT LLRLGVVPIV NENDTVATEE IRFGDNDTLS ALVANLVEAE LLVILTDQEG
     LFDADPRHYP NASFISEAAA NKTELDGMAN SRAGALGRGG MITKIRAARR AARSGAITVI
     ASGKEPKILQ RIASGETVGT LLWPDRQPLA ARKQWLAGQL QTKGRLWLDT GAVKVVREAG
     RSLLPIGVLA CEGNFARGEV VSCLDSDARE IACGLVNYNA EETRRILGHS SHQIEQILGY
     VDEEELIHRD NLVLL
//