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Database: UniProt/SWISS-PROT
Entry: GABT_MYCTU
LinkDB: GABT_MYCTU
Original site: GABT_MYCTU 
ID   GABT_MYCTU              Reviewed;         449 AA.
AC   P9WQ79; L0TA45; P63504; Q50632;
DT   16-APR-2014, integrated into UniProtKB/Swiss-Prot.
DT   16-APR-2014, sequence version 1.
DT   13-FEB-2019, entry version 32.
DE   RecName: Full=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; OrderedLocusNames=Rv2589; ORFNames=MTCY227.12c;
OS   Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv).
OC   Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC   Mycobacterium; Mycobacterium tuberculosis complex.
OX   NCBI_TaxID=83332;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 25618 / H37Rv;
RX   PubMed=9634230; DOI=10.1038/31159;
RA   Cole S.T., Brosch R., Parkhill J., Garnier T., Churcher C.M.,
RA   Harris D.E., Gordon S.V., Eiglmeier K., Gas S., Barry C.E. III,
RA   Tekaia F., Badcock K., Basham D., Brown D., Chillingworth T.,
RA   Connor R., Davies R.M., Devlin K., Feltwell T., Gentles S., Hamlin N.,
RA   Holroyd S., Hornsby T., Jagels K., Krogh A., McLean J., Moule S.,
RA   Murphy L.D., Oliver S., Osborne J., Quail M.A., Rajandream M.A.,
RA   Rogers J., Rutter S., Seeger K., Skelton S., Squares S., Squares R.,
RA   Sulston J.E., Taylor K., Whitehead S., Barrell B.G.;
RT   "Deciphering the biology of Mycobacterium tuberculosis from the
RT   complete genome sequence.";
RL   Nature 393:537-544(1998).
RN   [2]
RP   IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RC   STRAIN=ATCC 25618 / H37Rv;
RX   PubMed=21969609; DOI=10.1074/mcp.M111.011627;
RA   Kelkar D.S., Kumar D., Kumar P., Balakrishnan L., Muthusamy B.,
RA   Yadav A.K., Shrivastava P., Marimuthu A., Anand S., Sundaram H.,
RA   Kingsbury R., Harsha H.C., Nair B., Prasad T.S., Chauhan D.S.,
RA   Katoch K., Katoch V.M., Kumar P., Chaerkady R., Ramachandran S.,
RA   Dash D., Pandey A.;
RT   "Proteogenomic analysis of Mycobacterium tuberculosis by high
RT   resolution mass spectrometry.";
RL   Mol. Cell. Proteomics 10:M111.011627-M111.011627(2011).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2-oxoglutarate + 4-aminobutanoate = L-glutamate +
CC         succinate semialdehyde; Xref=Rhea:RHEA:23352, ChEBI:CHEBI:16810,
CC         ChEBI:CHEBI:29985, ChEBI:CHEBI:57706, ChEBI:CHEBI:59888;
CC         EC=2.6.1.19;
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(S)-3-amino-2-methylpropanoate + 2-oxoglutarate = 2-
CC         methyl-3-oxopropanoate + L-glutamate; Xref=Rhea:RHEA:13993,
CC         ChEBI:CHEBI:16810, ChEBI:CHEBI:29985, ChEBI:CHEBI:57700,
CC         ChEBI:CHEBI:58655; EC=2.6.1.22;
CC   -!- COFACTOR:
CC       Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC         Evidence={ECO:0000250};
CC   -!- PATHWAY: Amino-acid degradation; 4-aminobutanoate degradation.
CC   -!- SIMILARITY: Belongs to the class-III pyridoxal-phosphate-dependent
CC       aminotransferase family. {ECO:0000305}.
DR   EMBL; AL123456; CCP45385.1; -; Genomic_DNA.
DR   PIR; D70726; D70726.
DR   RefSeq; NP_217105.1; NC_000962.3.
DR   RefSeq; WP_003413395.1; NZ_NVQJ01000023.1.
DR   ProteinModelPortal; P9WQ79; -.
DR   SMR; P9WQ79; -.
DR   STRING; 83332.Rv2589; -.
DR   PaxDb; P9WQ79; -.
DR   PRIDE; P9WQ79; -.
DR   EnsemblBacteria; CCP45385; CCP45385; Rv2589.
DR   GeneID; 887915; -.
DR   KEGG; mtu:Rv2589; -.
DR   TubercuList; Rv2589; -.
DR   eggNOG; ENOG4108JPW; Bacteria.
DR   eggNOG; COG0160; LUCA.
DR   KO; K07250; -.
DR   OMA; AEAVENC; -.
DR   PhylomeDB; P9WQ79; -.
DR   BioCyc; MTBH37RV:G185E-6831-MONOMER; -.
DR   UniPathway; UPA00733; -.
DR   Proteomes; UP000001584; Chromosome.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0005886; C:plasma membrane; HDA:MTBBASE.
DR   GO; GO:0047298; F:(S)-3-amino-2-methylpropionate transaminase activity; IEA:UniProtKB-EC.
DR   GO; GO:0003867; F:4-aminobutyrate transaminase activity; IBA:GO_Central.
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; IPR015422; PyrdxlP-dep_Trfase_dom1.
DR   InterPro; IPR015421; PyrdxlP-dep_Trfase_major.
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   1: Evidence at protein level;
KW   Aminotransferase; Complete proteome; Pyridoxal phosphate;
KW   Reference proteome; Transferase.
FT   CHAIN         1    449       4-aminobutyrate aminotransferase.
FT                                /FTId=PRO_0000120386.
FT   MOD_RES     294    294       N6-(pyridoxal phosphate)lysine.
FT                                {ECO:0000250}.
SQ   SEQUENCE   449 AA;  46813 MW;  9EB88A968B3D8719 CRC64;
     MASLQQSRRL VTEIPGPASQ ALTHRRAAAV SSGVGVTLPV FVARAGGGIV EDVDGNRLID
     LGSGIAVTTI GNSSPRVVDA VRTQVAEFTH TCFMVTPYEG YVAVAEQLNR ITPGSGPKRS
     VLFNSGAEAV ENAVKIARSY TGKPAVVAFD HAYHGRTNLT MALTAKSMPY KSGFGPFAPE
     IYRAPLSYPY RDGLLDKQLA TNGELAAARA IGVIDKQVGA NNLAALVIEP IQGEGGFIVP
     AEGFLPALLD WCRKNHVVFI ADEVQTGFAR TGAMFACEHE GPDGLEPDLI CTAKGIADGL
     PLSAVTGRAE IMNAPHVGGL GGTFGGNPVA CAAALATIAT IESDGLIERA RQIERLVTDR
     LTTLQAVDDR IGDVRGRGAM IAVELVKSGT TEPDAGLTER LATAAHAAGV IILTCGMFGN
     IIRLLPPLTI GDELLSEGLD IVCAILADL
//
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