ID   OAT_BACAC               Reviewed;         396 AA.
AC   C3LBX0;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   16-JUN-2009, sequence version 1.
DT   25-MAY-2022, entry version 69.
DE   RecName: Full=Ornithine aminotransferase {ECO:0000255|HAMAP-Rule:MF_01689};
DE            Short=OAT {ECO:0000255|HAMAP-Rule:MF_01689};
DE            EC=2.6.1.13 {ECO:0000255|HAMAP-Rule:MF_01689};
DE   AltName: Full=Ornithine--oxo-acid aminotransferase {ECO:0000255|HAMAP-Rule:MF_01689};
GN   Name=rocD {ECO:0000255|HAMAP-Rule:MF_01689}; OrderedLocusNames=BAMEG_3428;
OS   Bacillus anthracis (strain CDC 684 / NRRL 3495).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Bacillus;
OC   Bacillus cereus group.
OX   NCBI_TaxID=568206;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CDC 684 / NRRL 3495;
RA   Dodson R.J., Munk A.C., Brettin T., Bruce D., Detter C., Tapia R., Han C.,
RA   Sutton G., Sims D.;
RT   "Genome sequence of Bacillus anthracis str. CDC 684.";
RL   Submitted (OCT-2008) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Catalyzes the interconversion of ornithine to glutamate
CC       semialdehyde. {ECO:0000255|HAMAP-Rule:MF_01689}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a 2-oxocarboxylate + L-ornithine = an L-alpha-amino acid + L-
CC         glutamate 5-semialdehyde; Xref=Rhea:RHEA:13877, ChEBI:CHEBI:35179,
CC         ChEBI:CHEBI:46911, ChEBI:CHEBI:58066, ChEBI:CHEBI:59869; EC=2.6.1.13;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01689};
CC   -!- COFACTOR:
CC       Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01689};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-proline biosynthesis; L-glutamate
CC       5-semialdehyde from L-ornithine: step 1/1. {ECO:0000255|HAMAP-
CC       Rule:MF_01689}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01689}.
CC   -!- SIMILARITY: Belongs to the class-III pyridoxal-phosphate-dependent
CC       aminotransferase family. OAT subfamily. {ECO:0000255|HAMAP-
CC       Rule:MF_01689}.
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DR   EMBL; CP001215; ACP17568.1; -; Genomic_DNA.
DR   RefSeq; WP_000616649.1; NC_012581.1.
DR   AlphaFoldDB; C3LBX0; -.
DR   SMR; C3LBX0; -.
DR   GeneID; 45021168; -.
DR   KEGG; bah:BAMEG_3428; -.
DR   HOGENOM; CLU_016922_10_3_9; -.
DR   OMA; DVFPRFA; -.
DR   UniPathway; UPA00098; UER00358.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0050155; F:ornithine(lysine) transaminase activity; IEA:UniProtKB-EC.
DR   GO; GO:0004587; F:ornithine-oxo-acid transaminase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0030170; F:pyridoxal phosphate binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0055129; P:L-proline biosynthetic process; IEA:UniProtKB-UniPathway.
DR   CDD; cd00610; OAT_like; 1.
DR   Gene3D; 3.40.640.10; -; 1.
DR   Gene3D; 3.90.1150.10; -; 1.
DR   HAMAP; MF_01689; Ornith_aminotrans_3; 1.
DR   InterPro; IPR005814; Aminotrans_3.
DR   InterPro; IPR010164; Orn_aminotrans.
DR   InterPro; IPR034757; Ornith_aminotrans_bact.
DR   InterPro; IPR015424; PyrdxlP-dep_Trfase.
DR   InterPro; IPR015421; PyrdxlP-dep_Trfase_major.
DR   InterPro; IPR015422; PyrdxlP-dep_Trfase_small.
DR   PANTHER; PTHR11986:SF18; PTHR11986:SF18; 1.
DR   Pfam; PF00202; Aminotran_3; 1.
DR   PIRSF; PIRSF000521; Transaminase_4ab_Lys_Orn; 1.
DR   SUPFAM; SSF53383; SSF53383; 1.
DR   TIGRFAMs; TIGR01885; Orn_aminotrans; 1.
DR   PROSITE; PS00600; AA_TRANSFER_CLASS_3; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Aminotransferase; Cytoplasm; Proline biosynthesis;
KW   Pyridoxal phosphate; Transferase.
FT   CHAIN           1..396
FT                   /note="Ornithine aminotransferase"
FT                   /id="PRO_1000187436"
FT   MOD_RES         255
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01689"
SQ   SEQUENCE   396 AA;  43272 MW;  852B997C0386FAA3 CRC64;
     MIQTKDIIEL TDTYGANNYH PLPIVISKAE GVWVEDPEGN RYMDLLSAYS AVNQGHRHPK
     IINALIDQAN RVTLTSRAFH SDQLGPWYEK VAKLTNKEMV LPMNTGAEAV ETAIKTARRW
     AYDVKKVEAN RAEIIVCEDN FHGRTMGAVS MSSNEEYKRG FGPMLPGIIV IPYGDLEALK
     AAITPNTAAF ILEPIQGEAG INIPPAGFLK EALEVCKKEN VLFVADEIQT GLGRTGKVFA
     CDWDNVTPDM YILGKALGGG VFPISCAAAN RDILGVFEPG SHGSTFGGNP LACAVSIAAL
     EVLEEEKLTE RSLQLGEKLV GQLKEIDNPM ITEVRGKGLF IGIELNEPAR PYCEQLKAAG
     LLCKETHENV IRIAPPLVIS EEDLEWAFQK IKAVLS