ID   PROB_PROMP              Reviewed;         360 AA.
AC   Q7V1R7;
DT   16-AUG-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   03-AUG-2022, entry version 101.
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=PMM0788;
OS   Prochlorococcus marinus subsp. pastoris (strain CCMP1986 / NIES-2087 /
OS   MED4).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=59919;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CCMP1986 / NIES-2087 / MED4;
RX   PubMed=12917642; DOI=10.1038/nature01947;
RA   Rocap G., Larimer F.W., Lamerdin J.E., Malfatti S., Chain P., Ahlgren N.A.,
RA   Arellano A., Coleman M., Hauser L., Hess W.R., Johnson Z.I., Land M.L.,
RA   Lindell D., Post A.F., Regala W., Shah M., Shaw S.L., Steglich C.,
RA   Sullivan M.B., Ting C.S., Tolonen A., Webb E.A., Zinser E.R.,
RA   Chisholm S.W.;
RT   "Genome divergence in two Prochlorococcus ecotypes reflects oceanic niche
RT   differentiation.";
RL   Nature 424:1042-1047(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=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; BX548174; CAE19247.1; -; Genomic_DNA.
DR   RefSeq; WP_011132422.1; NC_005072.1.
DR   AlphaFoldDB; Q7V1R7; -.
DR   SMR; Q7V1R7; -.
DR   STRING; 59919.PMM0788; -.
DR   EnsemblBacteria; CAE19247; CAE19247; PMM0788.
DR   KEGG; pmm:PMM0788; -.
DR   eggNOG; COG0263; Bacteria.
DR   HOGENOM; CLU_025400_2_0_3; -.
DR   OMA; TVIHRDN; -.
DR   OrthoDB; 1480250at2; -.
DR   UniPathway; UPA00098; UER00359.
DR   Proteomes; UP000001026; 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; Transferase.
FT   CHAIN           1..360
FT                   /note="Glutamate 5-kinase"
FT                   /id="PRO_0000109708"
FT   DOMAIN          275..348
FT                   /note="PUA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         7
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         47
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         134
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         146
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         166..167
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         210..216
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
SQ   SEQUENCE   360 AA;  39474 MW;  5DE214B16D48536A CRC64;
     MKKWVVKIGT SILRGNEDQS TEQVIESLCK SLTSFIFKGN KVILVTSGAV GLGCKKLNLN
     TRPKELSALQ AVAAVGQVNL MTLYEKTMKK LGHNIAQILI TKTDFDSRES FNNASKTFQK
     LIDLNVIPIV NENDSIANEE LKYGDNDTLS ALVALAINAN KLILLTDIEN LYSKDPRNNE
     DAHPIKEVNS NQLKIIKDKN IQNYNNEWGT GGITTKLIAA EIATKGGVEV QLADGRNENN
     LINIFNEKKI GTIFHPVDKP VGNKKSWLSH AIKTVGQITL DEGACLAIEQ KGASLLVVGV
     KEVEGDFTVN QAVRIVNTNK KEVAKGITSM SSDSLKRILN KKENINSSMI VVHRDVLALT