ID   CAT_ACIAN               Reviewed;         219 AA.
AC   P62578; P00483;
DT   21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT   21-JUL-1986, sequence version 1.
DT   25-MAY-2022, entry version 51.
DE   RecName: Full=Chloramphenicol acetyltransferase;
DE            Short=CAT;
DE            EC=2.3.1.28;
GN   Name=cat;
OS   Acinetobacter calcoaceticus subsp. anitratus.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Moraxellales; Moraxellaceae;
OC   Acinetobacter; Acinetobacter calcoaceticus/baumannii complex.
OX   NCBI_TaxID=107673;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=SAK; TRANSPOSON=Tn2670-like;
RX   PubMed=1650008; DOI=10.1016/0147-619x(91)90020-w;
RA   Elisha B.G., Steyn L.M.;
RT   "Identification of an Acinetobacter baumannii gene region with sequence and
RT   organizational similarity to Tn2670.";
RL   Plasmid 25:96-104(1991).
CC   -!- FUNCTION: This enzyme is an effector of chloramphenicol resistance in
CC       bacteria.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=acetyl-CoA + chloramphenicol = chloramphenicol 3-acetate +
CC         CoA; Xref=Rhea:RHEA:18421, ChEBI:CHEBI:16730, ChEBI:CHEBI:17698,
CC         ChEBI:CHEBI:57287, ChEBI:CHEBI:57288; EC=2.3.1.28;
CC         Evidence={ECO:0000255|PROSITE-ProRule:PRU10021};
CC   -!- SIMILARITY: Belongs to the chloramphenicol acetyltransferase family.
CC       {ECO:0000305}.
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DR   EMBL; M37690; AAA62571.1; -; Genomic_DNA.
DR   AlphaFoldDB; P62578; -.
DR   SMR; P62578; -.
DR   GO; GO:0008811; F:chloramphenicol O-acetyltransferase activity; IEA:UniProtKB-EC.
DR   GO; GO:0046677; P:response to antibiotic; IEA:UniProtKB-KW.
DR   Gene3D; 3.30.559.10; -; 1.
DR   InterPro; IPR023213; CAT-like_dom_sf.
DR   InterPro; IPR018372; Chloramphenicol_AcTrfase_AS.
DR   InterPro; IPR001707; Cmp_AcTrfase.
DR   PANTHER; PTHR38474; PTHR38474; 1.
DR   Pfam; PF00302; CAT; 1.
DR   PIRSF; PIRSF000440; CAT; 1.
DR   SMART; SM01059; CAT; 1.
DR   PROSITE; PS00100; CAT; 1.
PE   3: Inferred from homology;
KW   Acyltransferase; Antibiotic resistance; Transferase; Transposable element.
FT   CHAIN           1..219
FT                   /note="Chloramphenicol acetyltransferase"
FT                   /id="PRO_0000165863"
FT   ACT_SITE        193
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU10021"
SQ   SEQUENCE   219 AA;  25663 MW;  02C92576273FA18B CRC64;
     MEKKITGYTT VDISQWHRKE HFEAFQSVAQ CTYNQTVQLD ITAFLKTVKK NKHKFYPAFI
     HILARLMNAH PEFRMAMKDG ELVIWDSVHP CYTVFHEQTE TFSSLWSEYH DDFRQFLHIY
     SQDVACYGEN LAYFPKGFIE NMFFVSANPW VSFTSFDLNV ANMDNFFAPV FTMGKYYTQG
     DKVLMPLAIQ VHHAVCDGFH VGRMLNELQQ YCDEWQGGA