ID   ARGB_CHLCH              Reviewed;         286 AA.
AC   Q3ASI5;
DT   12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT   22-NOV-2005, sequence version 1.
DT   04-NOV-2026, entry version 114.
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};
GN   OrderedLocusNames=Cag_0774;
OS   Chlorobium chlorochromatii (strain CaD3).
OC   Bacteria; Pseudomonadati; Chlorobiota; Chlorobiia; Chlorobiales;
OC   Chlorobiaceae; Chlorobium/Pelodictyon group; Chlorobium.
OX   NCBI_TaxID=340177;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CaD3;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA   Hammon N., Israni S., Pitluck S., Bryant D., Schmutz J., Larimer F.,
RA   Land M., Kyrpides N., Ivanova N., Richardson P.;
RT   "Complete sequence of Chlorobium chlorochromatii CaD3.";
RL   Submitted (AUG-2005) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Catalyzes the ATP-dependent phosphorylation of N-acetyl-L-
CC       glutamate. {ECO:0000255|HAMAP-Rule:MF_00082}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=N-acetyl-L-glutamate + ATP = N-acetyl-L-glutamyl 5-phosphate +
CC         ADP; Xref=Rhea:RHEA:14629, ChEBI:CHEBI:30616, ChEBI:CHEBI:44337,
CC         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; CP000108; ABB28040.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q3ASI5; -.
DR   SMR; Q3ASI5; -.
DR   STRING; 340177.Cag_0774; -.
DR   KEGG; cch:Cag_0774; -.
DR   eggNOG; COG0548; Bacteria.
DR   HOGENOM; CLU_053680_0_0_10; -.
DR   OMA; AAISCIH; -.
DR   OrthoDB; 9803155at2; -.
DR   UniPathway; UPA00068; UER00107.
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:0006526; P:L-arginine biosynthetic process; IEA:UniProtKB-UniPathway.
DR   CDD; cd04250; AAK_NAGK-C; 1.
DR   FunFam; 3.40.1160.10:FF:000004; Acetylglutamate kinase; 1.
DR   Gene3D; 3.40.1160.10; Acetylglutamate kinase-like; 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; IPR041727; NAGK-C.
DR   NCBIfam; TIGR00761; argB; 1.
DR   PANTHER; PTHR23342; N-ACETYLGLUTAMATE SYNTHASE; 1.
DR   PANTHER; PTHR23342:SF0; N-ACETYLGLUTAMATE SYNTHASE, MITOCHONDRIAL; 1.
DR   Pfam; PF00696; AA_kinase; 1.
DR   PIRSF; PIRSF000728; NAGK; 1.
DR   SUPFAM; SSF53633; Carbamate kinase-like; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Arginine biosynthesis; ATP-binding; Cytoplasm;
KW   Kinase; Nucleotide-binding; Transferase.
FT   CHAIN           1..286
FT                   /note="Acetylglutamate kinase"
FT                   /id="PRO_0000264692"
FT   BINDING         69..70
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00082"
FT   BINDING         91
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00082"
FT   BINDING         185
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00082"
FT   SITE            34
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00082"
FT   SITE            244
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00082"
SQ   SEQUENCE   286 AA;  30464 MW;  0E1645E55FF571DB CRC64;
     MSSERKAPHA AIGQVLIEAL PYIRQFEGKT FVIKYGGAAM KDDTLKNMFA QNVTLLRKVG
     IRIVLVHGGG DAITRTAEKL GLQSRFVQGR RVTDKEMISV IQMTLAGKVN QDIVQLISEH
     GGKAVGVSGL DADTIKAHPH PNAEQLGLVG EVEQINTDYI DLLSQAGLIP VIAPVGFDCD
     GNLYNINADD AASSISIALK AEKLIYVSDV AGIQVGDKIL KTISKAEAAD LIERGIISGG
     MIPKVVSAFN TMDGGVGKVH LIDGKSTHSL LLEIFTHEGV GTQFIN
//