ID   GABT_BACSU              Reviewed;         436 AA.
AC   P94427;
DT   15-DEC-1998, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-1997, sequence version 1.
DT   03-AUG-2022, entry version 141.
DE   RecName: Full=Probable 4-aminobutyrate aminotransferase;
DE            EC=2.6.1.19;
DE   AltName: Full=(S)-3-amino-2-methylpropionate transaminase;
DE            EC=2.6.1.22;
DE   AltName: Full=GABA aminotransferase;
DE            Short=GABA-AT;
DE   AltName: Full=Gamma-amino-N-butyrate transaminase;
DE            Short=GABA transaminase;
DE   AltName: Full=Glutamate:succinic semialdehyde transaminase;
DE   AltName: Full=L-AIBAT;
GN   Name=gabT; Synonyms=ycnG; OrderedLocusNames=BSU03900;
OS   Bacillus subtilis (strain 168).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Bacillus.
OX   NCBI_TaxID=224308;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=168;
RX   PubMed=8969502; DOI=10.1099/13500872-142-11-3047;
RA   Yamane K., Kumano M., Kurita K.;
RT   "The 25 degrees-36 degrees region of the Bacillus subtilis chromosome:
RT   determination of the sequence of a 146 kb segment and identification of 113
RT   genes.";
RL   Microbiology 142:3047-3056(1996).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=168;
RX   PubMed=9384377; DOI=10.1038/36786;
RA   Kunst F., Ogasawara N., Moszer I., Albertini A.M., Alloni G., Azevedo V.,
RA   Bertero M.G., Bessieres P., Bolotin A., Borchert S., Borriss R.,
RA   Boursier L., Brans A., Braun M., Brignell S.C., Bron S., Brouillet S.,
RA   Bruschi C.V., Caldwell B., Capuano V., Carter N.M., Choi S.-K.,
RA   Codani J.-J., Connerton I.F., Cummings N.J., Daniel R.A., Denizot F.,
RA   Devine K.M., Duesterhoeft A., Ehrlich S.D., Emmerson P.T., Entian K.-D.,
RA   Errington J., Fabret C., Ferrari E., Foulger D., Fritz C., Fujita M.,
RA   Fujita Y., Fuma S., Galizzi A., Galleron N., Ghim S.-Y., Glaser P.,
RA   Goffeau A., Golightly E.J., Grandi G., Guiseppi G., Guy B.J., Haga K.,
RA   Haiech J., Harwood C.R., Henaut A., Hilbert H., Holsappel S., Hosono S.,
RA   Hullo M.-F., Itaya M., Jones L.-M., Joris B., Karamata D., Kasahara Y.,
RA   Klaerr-Blanchard M., Klein C., Kobayashi Y., Koetter P., Koningstein G.,
RA   Krogh S., Kumano M., Kurita K., Lapidus A., Lardinois S., Lauber J.,
RA   Lazarevic V., Lee S.-M., Levine A., Liu H., Masuda S., Mauel C.,
RA   Medigue C., Medina N., Mellado R.P., Mizuno M., Moestl D., Nakai S.,
RA   Noback M., Noone D., O'Reilly M., Ogawa K., Ogiwara A., Oudega B.,
RA   Park S.-H., Parro V., Pohl T.M., Portetelle D., Porwollik S.,
RA   Prescott A.M., Presecan E., Pujic P., Purnelle B., Rapoport G., Rey M.,
RA   Reynolds S., Rieger M., Rivolta C., Rocha E., Roche B., Rose M., Sadaie Y.,
RA   Sato T., Scanlan E., Schleich S., Schroeter R., Scoffone F., Sekiguchi J.,
RA   Sekowska A., Seror S.J., Serror P., Shin B.-S., Soldo B., Sorokin A.,
RA   Tacconi E., Takagi T., Takahashi H., Takemaru K., Takeuchi M.,
RA   Tamakoshi A., Tanaka T., Terpstra P., Tognoni A., Tosato V., Uchiyama S.,
RA   Vandenbol M., Vannier F., Vassarotti A., Viari A., Wambutt R., Wedler E.,
RA   Wedler H., Weitzenegger T., Winters P., Wipat A., Yamamoto H., Yamane K.,
RA   Yasumoto K., Yata K., Yoshida K., Yoshikawa H.-F., Zumstein E.,
RA   Yoshikawa H., Danchin A.;
RT   "The complete genome sequence of the Gram-positive bacterium Bacillus
RT   subtilis.";
RL   Nature 390:249-256(1997).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2-oxoglutarate + 4-aminobutanoate = L-glutamate + succinate
CC         semialdehyde; Xref=Rhea:RHEA:23352, ChEBI:CHEBI:16810,
CC         ChEBI:CHEBI:29985, ChEBI:CHEBI:57706, ChEBI:CHEBI:59888; EC=2.6.1.19;
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(S)-3-amino-2-methylpropanoate + 2-oxoglutarate = 2-methyl-3-
CC         oxopropanoate + L-glutamate; Xref=Rhea:RHEA:13993, ChEBI:CHEBI:16810,
CC         ChEBI:CHEBI:29985, ChEBI:CHEBI:57700, ChEBI:CHEBI:58655; EC=2.6.1.22;
CC   -!- COFACTOR:
CC       Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC   -!- PATHWAY: Amino-acid degradation; 4-aminobutanoate degradation.
CC   -!- SIMILARITY: Belongs to the class-III pyridoxal-phosphate-dependent
CC       aminotransferase family. {ECO:0000305}.
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DR   EMBL; D50453; BAA09021.1; -; Genomic_DNA.
DR   EMBL; AL009126; CAB12198.1; -; Genomic_DNA.
DR   PIR; C69764; C69764.
DR   RefSeq; NP_388272.1; NC_000964.3.
DR   RefSeq; WP_003234459.1; NZ_JNCM01000031.1.
DR   AlphaFoldDB; P94427; -.
DR   SMR; P94427; -.
DR   STRING; 224308.BSU03900; -.
DR   PaxDb; P94427; -.
DR   PRIDE; P94427; -.
DR   EnsemblBacteria; CAB12198; CAB12198; BSU_03900.
DR   GeneID; 938264; -.
DR   KEGG; bsu:BSU03900; -.
DR   PATRIC; fig|224308.179.peg.413; -.
DR   eggNOG; COG0160; Bacteria.
DR   InParanoid; P94427; -.
DR   OMA; TSGQMSC; -.
DR   PhylomeDB; P94427; -.
DR   BioCyc; BSUB:BSU03900-MON; -.
DR   UniPathway; UPA00733; -.
DR   Proteomes; UP000001570; Chromosome.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0047298; F:(S)-3-amino-2-methylpropionate transaminase activity; IEA:UniProtKB-EC.
DR   GO; GO:0003867; F:4-aminobutyrate transaminase activity; IMP:CACAO.
DR   GO; GO:0034386; F:4-aminobutyrate:2-oxoglutarate transaminase activity; IEA:UniProtKB-EC.
DR   GO; GO:0030170; F:pyridoxal phosphate binding; IBA:GO_Central.
DR   GO; GO:0009450; P:gamma-aminobutyric acid catabolic process; IBA:GO_Central.
DR   CDD; cd00610; OAT_like; 1.
DR   Gene3D; 3.40.640.10; -; 1.
DR   Gene3D; 3.90.1150.10; -; 1.
DR   InterPro; IPR004632; 4NH2But_aminotransferase_bac.
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   Pfam; PF00202; Aminotran_3; 1.
DR   PIRSF; PIRSF000521; Transaminase_4ab_Lys_Orn; 1.
DR   SUPFAM; SSF53383; SSF53383; 1.
DR   TIGRFAMs; TIGR00700; GABAtrnsam; 1.
DR   PROSITE; PS00600; AA_TRANSFER_CLASS_3; 1.
PE   3: Inferred from homology;
KW   Aminotransferase; Pyridoxal phosphate; Reference proteome; Transferase.
FT   CHAIN           1..436
FT                   /note="Probable 4-aminobutyrate aminotransferase"
FT                   /id="PRO_0000120383"
FT   MOD_RES         281
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   436 AA;  47249 MW;  D0961F6D4189A8F3 CRC64;
     MSQTTASITT AQWQQKRDQF VSKGVSNGNR SLAVKGEGAE LYDLDGRRFI DFAGAIGTLN
     VGHSHPKVVE AVKRQAEELI HPGFNVMMYP TYIELAEKLC GIAPGSHEKK AIFLNSGAEA
     VENAVKIARK YTKRQGVVSF TRGFHGRTNM TMSMTSKVKP YKFGFGPFAP EVYQAPFPYY
     YQKPAGMSDE SYDDMVIQAF NDFFIASVAP ETVACVVMEP VQGEGGFIIP SKRFVQHVAS
     FCKEHGIVFV ADEIQTGFAR TGTYFAIEHF DVVPDLITVS KSLAAGLPLS GVIGRAEMLD
     AAAPGELGGT YAGSPLGCAA ALAVLDIIEE EGLNERSEEI GKIIEDKAYE WKQEFPFIGD
     IRRLGAMAAI EIVKDPDTRE PDKTKAAAIA AYANQNGLLL LTAGINGNII RFLTPLVISD
     SLLNEGLSIL EAGLRA