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Database: UniProt
Entry: A2BSM2_PROMS
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ID   A2BSM2_PROMS            Unreviewed;       391 AA.
AC   A2BSM2;
DT   20-FEB-2007, integrated into UniProtKB/TrEMBL.
DT   20-FEB-2007, sequence version 1.
DT   24-JAN-2024, entry version 109.
DE   RecName: Full=Acetylornithine aminotransferase {ECO:0000256|HAMAP-Rule:MF_01107};
DE            Short=ACOAT {ECO:0000256|HAMAP-Rule:MF_01107};
DE            EC=2.6.1.11 {ECO:0000256|HAMAP-Rule:MF_01107};
GN   Name=argD {ECO:0000256|HAMAP-Rule:MF_01107,
GN   ECO:0000313|EMBL:ABM70783.1};
GN   OrderedLocusNames=A9601_15001 {ECO:0000313|EMBL:ABM70783.1};
OS   Prochlorococcus marinus (strain AS9601).
OC   Bacteria; Cyanobacteriota; Cyanophyceae; Synechococcales;
OC   Prochlorococcaceae; Prochlorococcus.
OX   NCBI_TaxID=146891 {ECO:0000313|EMBL:ABM70783.1, ECO:0000313|Proteomes:UP000002590};
RN   [1] {ECO:0000313|EMBL:ABM70783.1, ECO:0000313|Proteomes:UP000002590}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=AS9601 {ECO:0000313|EMBL:ABM70783.1,
RC   ECO:0000313|Proteomes:UP000002590};
RX   PubMed=18159947; DOI=10.1371/journal.pgen.0030231;
RA   Kettler G.C., Martiny A.C., Huang K., Zucker J., Coleman M.L., Rodrigue S.,
RA   Chen F., Lapidus A., Ferriera S., Johnson J., Steglich C., Church G.M.,
RA   Richardson P., Chisholm S.W.;
RT   "Patterns and implications of gene gain and loss in the evolution of
RT   Prochlorococcus.";
RL   PLoS Genet. 3:2515-2528(2007).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2-oxoglutarate + N(2)-acetyl-L-ornithine = L-glutamate + N-
CC         acetyl-L-glutamate 5-semialdehyde; Xref=Rhea:RHEA:18049,
CC         ChEBI:CHEBI:16810, ChEBI:CHEBI:29123, ChEBI:CHEBI:29985,
CC         ChEBI:CHEBI:57805; EC=2.6.1.11; Evidence={ECO:0000256|HAMAP-
CC         Rule:MF_01107};
CC   -!- COFACTOR:
CC       Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_01107};
CC       Note=Binds 1 pyridoxal phosphate per subunit. {ECO:0000256|HAMAP-
CC       Rule:MF_01107};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-arginine biosynthesis; N(2)-acetyl-
CC       L-ornithine from L-glutamate: step 4/4. {ECO:0000256|HAMAP-
CC       Rule:MF_01107}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_01107}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01107}.
CC   -!- MISCELLANEOUS: May also have succinyldiaminopimelate aminotransferase
CC       activity, thus carrying out the corresponding step in lysine
CC       biosynthesis. {ECO:0000256|HAMAP-Rule:MF_01107}.
CC   -!- SIMILARITY: Belongs to the class-III pyridoxal-phosphate-dependent
CC       aminotransferase family. ArgD subfamily. {ECO:0000256|HAMAP-
CC       Rule:MF_01107}.
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DR   EMBL; CP000551; ABM70783.1; -; Genomic_DNA.
DR   RefSeq; WP_011818919.1; NC_008816.1.
DR   AlphaFoldDB; A2BSM2; -.
DR   STRING; 146891.A9601_15001; -.
DR   KEGG; pmb:A9601_15001; -.
DR   eggNOG; COG4992; Bacteria.
DR   HOGENOM; CLU_016922_10_1_3; -.
DR   OMA; MVPGFKY; -.
DR   OrthoDB; 9807885at2; -.
DR   UniPathway; UPA00068; UER00109.
DR   Proteomes; UP000002590; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0003992; F:N2-acetyl-L-ornithine:2-oxoglutarate 5-aminotransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0030170; F:pyridoxal phosphate binding; IEA:InterPro.
DR   GO; GO:0006526; P:arginine biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd00610; OAT_like; 1.
DR   Gene3D; 3.90.1150.10; Aspartate Aminotransferase, domain 1; 1.
DR   Gene3D; 3.40.640.10; Type I PLP-dependent aspartate aminotransferase-like (Major domain); 1.
DR   HAMAP; MF_01107; ArgD_aminotrans_3; 1.
DR   InterPro; IPR004636; AcOrn/SuccOrn_fam.
DR   InterPro; IPR005814; Aminotrans_3.
DR   InterPro; IPR015424; PyrdxlP-dep_Trfase.
DR   InterPro; IPR015421; PyrdxlP-dep_Trfase_major.
DR   InterPro; IPR015422; PyrdxlP-dep_Trfase_small.
DR   NCBIfam; TIGR00707; argD; 1.
DR   PANTHER; PTHR11986:SF79; ACETYLORNITHINE AMINOTRANSFERASE, MITOCHONDRIAL; 1.
DR   PANTHER; PTHR11986; AMINOTRANSFERASE CLASS III; 1.
DR   Pfam; PF00202; Aminotran_3; 1.
DR   PIRSF; PIRSF000521; Transaminase_4ab_Lys_Orn; 2.
DR   SUPFAM; SSF53383; PLP-dependent transferases; 1.
DR   PROSITE; PS00600; AA_TRANSFER_CLASS_3; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605, ECO:0000256|HAMAP-
KW   Rule:MF_01107};
KW   Aminotransferase {ECO:0000256|HAMAP-Rule:MF_01107,
KW   ECO:0000313|EMBL:ABM70783.1};
KW   Arginine biosynthesis {ECO:0000256|ARBA:ARBA00022571, ECO:0000256|HAMAP-
KW   Rule:MF_01107}; Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01107};
KW   Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898, ECO:0000256|HAMAP-
KW   Rule:MF_01107};
KW   Transferase {ECO:0000256|HAMAP-Rule:MF_01107, ECO:0000313|EMBL:ABM70783.1}.
FT   BINDING         91..92
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01107"
FT   BINDING         124
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01107"
FT   BINDING         127
FT                   /ligand="N(2)-acetyl-L-ornithine"
FT                   /ligand_id="ChEBI:CHEBI:57805"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01107"
FT   BINDING         215..218
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01107"
FT   BINDING         271
FT                   /ligand="N(2)-acetyl-L-ornithine"
FT                   /ligand_id="ChEBI:CHEBI:57805"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01107"
FT   BINDING         272
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01107"
FT   MOD_RES         244
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01107"
SQ   SEQUENCE   391 AA;  43072 MW;  7B2322ECF6F60056 CRC64;
     MNTYSRFDIS FKKGKGCWLW DKSGKKYLDA VAGIATCSLG HSDRVLRRRL SSQLKKIQHI
     SNLYNIEEQE QLSRTLTNMS CAKSVFFCNS GAEANESAIK LIKKYGNTTN KGKESIILAA
     ESSFHGRTLA ALSATGQPKY QKGFEPMIQG FKFFKFNNFD SVKKLFEECE NNDQKISGVL
     VEPIQGEGGV IPGSKIFFKG LRDICNRHNS LLILDEVQSG VGRTGKMWGY ENLGIEPDGF
     TLAKGLGGGH AIGALLVKEK ANIFTPGDHA STFGGNPFAC KAALTVLEEI NRRNLINNVY
     LRGEQLSAGF EELSKKFPNI ISEKRGLGLI QGLVINDDYA EAKKITLKAF DKGLLVVPAG
     GNVVRIVPPL VISRREINIL LNKLNSIFEE L
//
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