ID   PROB_SULNB              Reviewed;         257 AA.
AC   A6QB69;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   21-AUG-2007, sequence version 1.
DT   03-AUG-2022, entry version 94.
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=SUN_1781;
OS   Sulfurovum sp. (strain NBC37-1).
OC   Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC   Sulfurovaceae; Sulfurovum; unclassified Sulfurovum.
OX   NCBI_TaxID=387093;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NBC37-1;
RX   PubMed=17615243; DOI=10.1073/pnas.0700687104;
RA   Nakagawa S., Takaki Y., Shimamura S., Reysenbach A.-L., Takai K.,
RA   Horikoshi K.;
RT   "Deep-sea vent epsilon-proteobacterial genomes provide insights into
RT   emergence of pathogens.";
RL   Proc. Natl. Acad. Sci. U.S.A. 104:12146-12150(2007).
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; AP009179; BAF72728.1; -; Genomic_DNA.
DR   RefSeq; WP_012083538.1; NC_009663.1.
DR   AlphaFoldDB; A6QB69; -.
DR   SMR; A6QB69; -.
DR   STRING; 387093.SUN_1781; -.
DR   EnsemblBacteria; BAF72728; BAF72728; SUN_1781.
DR   KEGG; sun:SUN_1781; -.
DR   eggNOG; COG0263; Bacteria.
DR   HOGENOM; CLU_025400_0_0_7; -.
DR   OMA; QPHLMRI; -.
DR   OrthoDB; 1480250at2; -.
DR   UniPathway; UPA00098; UER00359.
DR   Proteomes; UP000006378; 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: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; 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   Pfam; PF00696; AA_kinase; 1.
DR   PIRSF; PIRSF000729; GK; 1.
DR   PRINTS; PR00474; GLU5KINASE.
DR   SUPFAM; SSF53633; SSF53633; 1.
DR   TIGRFAMs; TIGR01027; proB; 1.
DR   PROSITE; PS00902; GLUTAMATE_5_KINASE; 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..257
FT                   /note="Glutamate 5-kinase"
FT                   /id="PRO_1000081116"
FT   BINDING         7
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         46
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         131
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         163..164
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         205..211
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
SQ   SEQUENCE   257 AA;  28450 MW;  23BDF2CBB0E4DDE4 CRC64;
     MKRIVIKVGS HVLTEDGSIA RERMMALVEL IADLKKHSYE VALVSSGAVA AGYTQLPLDR
     DDIANRQALA AIGQPLLLKM YQEKFARFDL LCSQVLFSAD VFESDKHVSH AKVAIDTLLA
     NNVVPIINEN DTVSIEELVF GDNDRLSAHV AHYFDADLLV ILSDIDALYD KDPNCFQDAR
     RRAVVNEIEE EELAAEHTPN NEFATGGIVT KLQAADFLMK HGREMFLASG FELSDVKSFL
     IEGEHKGGTL FTSTKRS