ID   CYSE_BUCBP              Reviewed;         254 AA.
AC   Q89B11;
DT   14-NOV-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   25-MAY-2022, entry version 93.
DE   RecName: Full=Serine acetyltransferase;
DE            Short=SAT;
DE            EC=2.3.1.30;
GN   Name=cysE; OrderedLocusNames=bbp_051;
OS   Buchnera aphidicola subsp. Baizongia pistaciae (strain Bp).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Erwiniaceae; Buchnera.
OX   NCBI_TaxID=224915;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Bp;
RX   PubMed=12522265; DOI=10.1073/pnas.0235981100;
RA   van Ham R.C.H.J., Kamerbeek J., Palacios C., Rausell C., Abascal F.,
RA   Bastolla U., Fernandez J.M., Jimenez L., Postigo M., Silva F.J.,
RA   Tamames J., Viguera E., Latorre A., Valencia A., Moran F., Moya A.;
RT   "Reductive genome evolution in Buchnera aphidicola.";
RL   Proc. Natl. Acad. Sci. U.S.A. 100:581-586(2003).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=acetyl-CoA + L-serine = CoA + O-acetyl-L-serine;
CC         Xref=Rhea:RHEA:24560, ChEBI:CHEBI:33384, ChEBI:CHEBI:57287,
CC         ChEBI:CHEBI:57288, ChEBI:CHEBI:58340; EC=2.3.1.30;
CC   -!- PATHWAY: Amino-acid biosynthesis; L-cysteine biosynthesis; L-cysteine
CC       from L-serine: step 1/2.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the transferase hexapeptide repeat family.
CC       {ECO:0000305}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; AE016826; AAO26790.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q89B11; -.
DR   SMR; Q89B11; -.
DR   STRING; 224915.bbp_051; -.
DR   EnsemblBacteria; AAO26790; AAO26790; bbp_051.
DR   KEGG; bab:bbp_051; -.
DR   eggNOG; COG1045; Bacteria.
DR   HOGENOM; CLU_051638_0_1_6; -.
DR   OMA; DVIMHDR; -.
DR   UniPathway; UPA00136; UER00199.
DR   Proteomes; UP000000601; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0009001; F:serine O-acetyltransferase activity; IEA:UniProtKB-EC.
DR   GO; GO:0006535; P:cysteine biosynthetic process from serine; IEA:InterPro.
DR   CDD; cd03354; LbH_SAT; 1.
DR   Gene3D; 1.10.3130.10; -; 1.
DR   InterPro; IPR001451; Hexapep.
DR   InterPro; IPR045304; LbH_SAT.
DR   InterPro; IPR010493; Ser_AcTrfase_N.
DR   InterPro; IPR042122; Ser_AcTrfase_N_sf.
DR   InterPro; IPR011004; Trimer_LpxA-like_sf.
DR   Pfam; PF00132; Hexapep; 1.
DR   Pfam; PF06426; SATase_N; 1.
DR   SMART; SM00971; SATase_N; 1.
DR   SUPFAM; SSF51161; SSF51161; 1.
PE   3: Inferred from homology;
KW   Acyltransferase; Amino-acid biosynthesis; Cysteine biosynthesis; Cytoplasm;
KW   Reference proteome; Repeat; Transferase.
FT   CHAIN           1..254
FT                   /note="Serine acetyltransferase"
FT                   /id="PRO_0000068668"
SQ   SEQUENCE   254 AA;  27997 MW;  D8506764219058AB CRC64;
     MIMSSKEVEI IWHQIISEVE ILMDQEPELA GFYHAYILQH DSFDMALSYI LSNQLSNKVM
     STVFVRDIIN KVYIACRKIV AYAIQDIKAL FNHGLVHCYS FSLLHSKGFH ALQAYRISNF
     LWCEEKKSLA LYFQNRISCL FSVDIHPASM IGSGIVLDNA IGITIGQTSA IKDSVSVLSQ
     SLALLGSAFK ISSVQCPKIN EGVIIGANVA ILGNVVIGEK TKIQACTVVL QSVPPNSIVT
     SVLAKIVSFK NINE