ID   ARGB_HELMI              Reviewed;         295 AA.
AC   B0TCA8;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   08-APR-2008, sequence version 1.
DT   03-AUG-2022, entry version 85.
DE   RecName: Full=Acetylglutamate kinase {ECO:0000255|HAMAP-Rule:MF_00082};
DE            EC=2.7.2.8 {ECO:0000255|HAMAP-Rule:MF_00082};
DE   AltName: Full=N-acetyl-L-glutamate 5-phosphotransferase {ECO:0000255|HAMAP-Rule:MF_00082};
DE   AltName: Full=NAG kinase {ECO:0000255|HAMAP-Rule:MF_00082};
DE            Short=NAGK {ECO:0000255|HAMAP-Rule:MF_00082};
GN   Name=argB {ECO:0000255|HAMAP-Rule:MF_00082}; OrderedLocusNames=Helmi_13820;
GN   ORFNames=HM1_1430;
OS   Heliobacterium modesticaldum (strain ATCC 51547 / Ice1).
OC   Bacteria; Firmicutes; Clostridia; Eubacteriales; Heliobacteriaceae;
OC   Heliomicrobium.
OX   NCBI_TaxID=498761;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 51547 / Ice1;
RX   PubMed=18441057; DOI=10.1128/jb.00299-08;
RA   Sattley W.M., Madigan M.T., Swingley W.D., Cheung P.C., Clocksin K.M.,
RA   Conrad A.L., Dejesa L.C., Honchak B.M., Jung D.O., Karbach L.E.,
RA   Kurdoglu A., Lahiri S., Mastrian S.D., Page L.E., Taylor H.L., Wang Z.T.,
RA   Raymond J., Chen M., Blankenship R.E., Touchman J.W.;
RT   "The genome of Heliobacterium modesticaldum, a phototrophic representative
RT   of the Firmicutes containing the simplest photosynthetic apparatus.";
RL   J. Bacteriol. 190:4687-4696(2008).
CC   -!- FUNCTION: Catalyzes the ATP-dependent phosphorylation of N-acetyl-L-
CC       glutamate. {ECO:0000255|HAMAP-Rule:MF_00082}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + N-acetyl-L-glutamate = ADP + N-acetyl-L-glutamyl 5-
CC         phosphate; Xref=Rhea:RHEA:14629, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:44337, ChEBI:CHEBI:57936, ChEBI:CHEBI:456216; EC=2.7.2.8;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00082};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-arginine biosynthesis; N(2)-acetyl-
CC       L-ornithine from L-glutamate: step 2/4. {ECO:0000255|HAMAP-
CC       Rule:MF_00082}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00082}.
CC   -!- SIMILARITY: Belongs to the acetylglutamate kinase family. ArgB
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_00082}.
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DR   EMBL; CP000930; ABZ84007.1; -; Genomic_DNA.
DR   RefSeq; WP_012282523.1; NC_010337.2.
DR   AlphaFoldDB; B0TCA8; -.
DR   SMR; B0TCA8; -.
DR   STRING; 498761.HM1_1430; -.
DR   EnsemblBacteria; ABZ84007; ABZ84007; HM1_1430.
DR   KEGG; hmo:HM1_1430; -.
DR   eggNOG; COG0548; Bacteria.
DR   HOGENOM; CLU_053680_0_0_9; -.
DR   OMA; EGLYEDW; -.
DR   OrthoDB; 901370at2; -.
DR   UniPathway; UPA00068; UER00107.
DR   Proteomes; UP000008550; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0003991; F:acetylglutamate kinase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0042450; P:arginine biosynthetic process via ornithine; IEA:UniProtKB-UniRule.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   CDD; cd04250; AAK_NAGK-C; 1.
DR   Gene3D; 3.40.1160.10; -; 1.
DR   HAMAP; MF_00082; ArgB; 1.
DR   InterPro; IPR036393; AceGlu_kinase-like_sf.
DR   InterPro; IPR004662; AcgluKinase_fam.
DR   InterPro; IPR037528; ArgB.
DR   InterPro; IPR001048; Asp/Glu/Uridylate_kinase.
DR   InterPro; IPR001057; Glu/AcGlu_kinase.
DR   InterPro; IPR041727; NAGK-C.
DR   Pfam; PF00696; AA_kinase; 1.
DR   PIRSF; PIRSF000728; NAGK; 1.
DR   PRINTS; PR00474; GLU5KINASE.
DR   SUPFAM; SSF53633; SSF53633; 1.
DR   TIGRFAMs; TIGR00761; argB; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Arginine biosynthesis; ATP-binding; Cytoplasm;
KW   Kinase; Nucleotide-binding; Reference proteome; Transferase.
FT   CHAIN           1..295
FT                   /note="Acetylglutamate kinase"
FT                   /id="PRO_1000092861"
FT   BINDING         64..65
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00082"
FT   BINDING         86
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00082"
FT   BINDING         190
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00082"
FT   SITE            29
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00082"
FT   SITE            253
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00082"
SQ   SEQUENCE   295 AA;  31258 MW;  E9A963A3F8C606E9 CRC64;
     MLKALEKAGI LVEALPYIKK FSGKTVVIKY GGAAMVNDQL KEAVIMDVIL MKLVGIHPVV
     VHGGGPEING MLDRLGLKSH FIQGLRVTDE STMEVVEMVL AGKVNKEIVA LIQRFGGKAV
     GLCGKDGGLI QAKKRFELVK NEGGARVPTD IGFVGDVVKI EPGLVRELAD RGYIPVIAPI
     GVGEKGESYN INADTAAGEL AQALKADKLV LLTDVEGILR DRKDPSSLIS SLRIDDVPAL
     VEEGVISGGM IPKVACCVEA LQGGVGQTHI IDGRLPHSLL LEVFTDKGIG TMVLK