ID   PROB_SYNJB              Reviewed;         371 AA.
AC   Q2JNZ0;
DT   17-OCT-2006, integrated into UniProtKB/Swiss-Prot.
DT   17-OCT-2006, sequence version 2.
DT   03-AUG-2022, entry version 90.
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=CYB_0519;
OS   Synechococcus sp. (strain JA-2-3B'a(2-13)) (Cyanobacteria bacterium
OS   Yellowstone B-Prime).
OC   Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus;
OC   unclassified Synechococcus.
OX   NCBI_TaxID=321332;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=JA-2-3B'a(2-13);
RX   PubMed=18059494; DOI=10.1038/ismej.2007.46;
RA   Bhaya D., Grossman A.R., Steunou A.-S., Khuri N., Cohan F.M., Hamamura N.,
RA   Melendrez M.C., Bateson M.M., Ward D.M., Heidelberg J.F.;
RT   "Population level functional diversity in a microbial community revealed by
RT   comparative genomic and metagenomic analyses.";
RL   ISME J. 1:703-713(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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=ABD01511.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; CP000240; ABD01511.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_041436197.1; NC_007776.1.
DR   AlphaFoldDB; Q2JNZ0; -.
DR   SMR; Q2JNZ0; -.
DR   STRING; 321332.CYB_0519; -.
DR   PRIDE; Q2JNZ0; -.
DR   KEGG; cyb:CYB_0519; -.
DR   eggNOG; COG0263; Bacteria.
DR   HOGENOM; CLU_025400_2_0_3; -.
DR   OrthoDB; 1480250at2; -.
DR   UniPathway; UPA00098; UER00359.
DR   Proteomes; UP000001938; 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; -; 2.
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..371
FT                   /note="Glutamate 5-kinase"
FT                   /id="PRO_0000253010"
FT   DOMAIN          278..356
FT                   /note="PUA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         11
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         52
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         139
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         151
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         171..172
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
FT   BINDING         213..219
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00456"
SQ   SEQUENCE   371 AA;  39356 MW;  E07F1B95CD49D42C CRC64;
     MATTDVTVVV KIGTSSLTDT QTGLLRLSVL GPLVEVLTHL RRQGYAVILV SSGAVGVGCA
     RLGWRQRPTA IAEKQAVAAV GQGRLIRLYD DLFSALNQPI AQVLLTRGDL VERSRYVNAN
     RTFAQLLQMG VIPIVNENDT VAVEELKFGD NDSLSALVAS MVQAKWLILL TDVDKLYSAD
     PNRDPSAQPI ERVLPGIPLQ VKAEAQGKSG WGTGGMATKL TAAQIATAAG VTVVITNGKR
     PEQIPAILAG EAIGTRFDPA PQPASARKRW IAYGLIPEGS LTLDEGAVRA VCEQGRSLLP
     AGITAISGEF EAGAAVRLCD PSGQEVARGL VNYSAEELRQ IKGKKTAEIP RILGYEGVDT
     AVHRDNLALL N