ID   PROB_NITWN              Reviewed;         379 AA.
AC   Q3SVI1;
DT   04-APR-2006, integrated into UniProtKB/Swiss-Prot.
DT   11-OCT-2005, sequence version 1.
DT   03-AUG-2022, entry version 110.
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=Nwi_0443;
OS   Nitrobacter winogradskyi (strain ATCC 25391 / DSM 10237 / CIP 104748 /
OS   NCIMB 11846 / Nb-255).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Bradyrhizobiaceae; Nitrobacter.
OX   NCBI_TaxID=323098;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 25391 / DSM 10237 / CIP 104748 / NCIMB 11846 / Nb-255;
RX   PubMed=16517654; DOI=10.1128/aem.72.3.2050-2063.2006;
RA   Starkenburg S.R., Chain P.S.G., Sayavedra-Soto L.A., Hauser L., Land M.L.,
RA   Larimer F.W., Malfatti S.A., Klotz M.G., Bottomley P.J., Arp D.J.,
RA   Hickey W.J.;
RT   "Genome sequence of the chemolithoautotrophic nitrite-oxidizing bacterium
RT   Nitrobacter winogradskyi Nb-255.";
RL   Appl. Environ. Microbiol. 72:2050-2063(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; CP000115; ABA03710.1; -; Genomic_DNA.
DR   RefSeq; WP_011313774.1; NC_007406.1.
DR   AlphaFoldDB; Q3SVI1; -.
DR   SMR; Q3SVI1; -.
DR   STRING; 323098.Nwi_0443; -.
DR   EnsemblBacteria; ABA03710; ABA03710; Nwi_0443.
DR   KEGG; nwi:Nwi_0443; -.
DR   eggNOG; COG0263; Bacteria.
DR   HOGENOM; CLU_025400_2_0_5; -.
DR   OMA; TVIHRDN; -.
DR   OrthoDB; 1480250at2; -.
DR   UniPathway; UPA00098; UER00359.
DR   Proteomes; UP000002531; 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   Gene3D; 2.30.130.10; -; 1.
DR   Gene3D; 3.40.1160.10; -; 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   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; Reference proteome; Transferase.
FT   CHAIN           1..379
FT                   /note="Glutamate 5-kinase"
FT                   /id="PRO_0000230048"
FT   DOMAIN          281..358
FT                   /note="PUA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         15
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"
SQ   SEQUENCE   379 AA;  39934 MW;  EBB82BADDE85894B CRC64;
     MTRPHLKKFR RIVVKVGSSL LIDSAAGKVR GEWLSALAAD IAGLHGDGCD VLVVSSGAVA
     LGRSKLKLPR GPLKLEESQA AAAVGQIALA RIWSKVLADH GIGAGQILVT WQDTEERRRY
     LNARSTIAKL LEWRAVPVIN ENDTVATNEI RYGDNDRLAA RVATMASADL LILLSDIDGL
     YDAPPHLNPD AKLITVVKRV TADIEAMAGS AASELSRGGM RTKIEAAKIA TTAGTHMLIA
     SGTIEHPLRA IMDGGPCTWF LTPANPVTAR KRWIAGSLEP RGTLAIDAGA VAALRAGKSL
     LPAGVTRIDG HFARGDAVIV RGPNGHEIGR GLVAYDAADA DRIKGRSSSD AAQLLGVRGR
     VEMIHRDDLV VGGPLGDSA