ID   ARGB_PROMP              Reviewed;         284 AA.
AC   Q7TUD1;
DT   15-DEC-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   03-AUG-2022, entry version 107.
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=PMM0499;
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 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; BX548174; CAE18958.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q7TUD1; -.
DR   SMR; Q7TUD1; -.
DR   STRING; 59919.PMM0499; -.
DR   EnsemblBacteria; CAE18958; CAE18958; PMM0499.
DR   KEGG; pmm:PMM0499; -.
DR   eggNOG; COG0548; Bacteria.
DR   HOGENOM; CLU_053680_0_0_3; -.
DR   OMA; EGLYEDW; -.
DR   UniPathway; UPA00068; UER00107.
DR   Proteomes; UP000001026; 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; IPR041727; NAGK-C.
DR   Pfam; PF00696; AA_kinase; 1.
DR   PIRSF; PIRSF000728; NAGK; 1.
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; Transferase.
FT   CHAIN           1..284
FT                   /note="Acetylglutamate kinase"
FT                   /id="PRO_0000112649"
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         179
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            242
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00082"
SQ   SEQUENCE   284 AA;  30608 MW;  81BCF202806A39D2 CRC64;
     MMDDSLRVSI LSEALPYIQR FSGRKIVVKY GGSIMEDEKL KEAFFRDIAL LSSVGVCPVV
     IHGGGPEINR WLNKLEISPK FENGLRVTDE KTMEIVEMVL MGRVNKQIVR GINKTGSLAV
     GISGLDGNLI QSRELGDGSH GLVGEVTQIN PELLDPLIAK GYIPVISSIG STADGISHNI
     NADFVAGEVA AAINAEKLIL LTDTPGILKE GDNPNSLVKQ INLKDARKFI EKNIVSNGML
     PKTECCIRAL AQGVKAAHII DGRIEHSLLL EIFTNSGIGT MINA