Structure of PDB 3cla Chain A

Receptor sequence
>3claA (length=213) Species: 562 (Escherichia coli) [Search protein sequence]
MNYTKFDVKNWVRREHFEFYRHRLPCGFSLTSKIDITTLKKSLDDSAYKF
YPVMIYLIAQAVNQFDELRMAIKDDELIVWDSVDPQFTVFHQETETFSAL
SCPYSSDIDQFMVNYLSVMERYKSDTKLFPQGVTPENHLNISALPWVNFD
SFNLNVANFTDYFAPIITMAKYQQEGDRLLLPLSVQVHHAVCDGFHVARF
INRLQELCNSKLK
3D structure
PDB3cla Refined crystal structure of type III chloramphenicol acetyltransferase at 1.75 A resolution.
ChainA
Resolution1.75 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) R18 T174 H195 D199
Catalytic site (residue number reindexed from 1) R13 T168 H189 D193
Enzyme Commision number 2.3.1.28: chloramphenicol O-acetyltransferase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 CO A E23 H27 E18 H22
BS02 CLM A F135 N146 L160 I172 F129 N140 L154 I166 MOAD: Kd=13uM
Gene Ontology
Molecular Function
GO:0008811 chloramphenicol O-acetyltransferase activity
GO:0016746 acyltransferase activity
Biological Process
GO:0046677 response to antibiotic

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Molecular Function
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Biological Process
External links
PDB RCSB:3cla, PDBe:3cla, PDBj:3cla
PDBsum3cla
PubMed2187098
UniProtP00484|CAT3_ECOLX Chloramphenicol acetyltransferase 3 (Gene Name=cat3)

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