ID   ARGB_GRATL              Reviewed;         285 AA.
AC   Q6B8Z0;
DT   01-FEB-2005, integrated into UniProtKB/Swiss-Prot.
DT   13-SEP-2004, sequence version 1.
DT   03-AUG-2022, entry version 72.
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=Grc000064;
OS   Gracilaria tenuistipitata var. liui (Red alga).
OG   Plastid; Chloroplast.
OC   Eukaryota; Rhodophyta; Florideophyceae; Rhodymeniophycidae; Gracilariales;
OC   Gracilariaceae; Agarophyton; Agarophyton tenuistipitatum.
OX   NCBI_TaxID=285951;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=15638458; DOI=10.1007/s00239-004-2638-3;
RA   Hagopian J.C., Reis M., Kitajima J.P., Bhattacharya D., de Oliveira M.C.;
RT   "Comparative analysis of the complete plastid genome sequence of the red
RT   alga Gracilaria tenuistipitata var. liui provides insights into the
RT   evolution of rhodoplasts and their relationship to other plastids.";
RL   J. Mol. Evol. 59:464-477(2004).
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: Plastid, chloroplast {ECO:0000255|HAMAP-
CC       Rule:MF_00082}.
CC   -!- SIMILARITY: Belongs to the acetylglutamate kinase family. ArgB
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_00082}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; AY673996; AAT79645.1; -; Genomic_DNA.
DR   RefSeq; YP_063570.1; NC_006137.1.
DR   AlphaFoldDB; Q6B8Z0; -.
DR   SMR; Q6B8Z0; -.
DR   PRIDE; Q6B8Z0; -.
DR   GeneID; 2944008; -.
DR   UniPathway; UPA00068; UER00107.
DR   GO; GO:0009507; C:chloroplast; 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; Chloroplast;
KW   Kinase; Nucleotide-binding; Plastid; Transferase.
FT   CHAIN           1..285
FT                   /note="Acetylglutamate kinase"
FT                   /id="PRO_0000112708"
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         180
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            243
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00082"
SQ   SEQUENCE   285 AA;  30879 MW;  418AA2AD84F0D258 CRC64;
     MLNNFERVQI LSDALPFVQR FHGRTLVVKY GGSAMKNVYL KSKIIEDILF LSYIGIKVVI
     VHGGGPMINH WLKQVNIQPK FFNGIRVTDK DTMELVEMVL VGKVNKDLVT LLNRSSNLAV
     GLSGKDANLV VASSFFPDQK DNYTGKVQQV NIEIVNLLLS SGYIPVVASV ASDLNGQAYN
     INADSVAGAI AECLNAEKLI LLTDTPGIMS DINDPSSLIK YLNISQLEEL KSQKIILGGM
     IPKVDCCIKA LQGNVSSAHI IDGSVEHALL LEILTSAGIG SMLVL