Structure of PDB 1q23 Chain H

Receptor sequence
>1q23H (length=216) Species: 562 (Escherichia coli) [Search protein sequence]
KITGYTTVDISQWHRKEHFEAFQSVAQCTYNQTVQLDITAFLKTVKKNKH
KFYPAFIHILARLMNAHPEFRMAMKDGELVIWDSVHPCYTVFHEQTETFS
SLWSEYHDDFRQFLHIYSQDVACYGENLAYFPKGFIENMFFVSANPWVSF
TSFDLNVANMDNFFAPVFTMGKYYTQGDKVLMPLAIQVHHAVCDGFHVGR
MLNELQQYCDEWQGGA
3D structure
PDB1q23 Crystal structure of Chloramphenicol acetyltransferase I in the apoenzyme form and complexed with fusidic acid at 2.18 A resolution
ChainH
Resolution2.18 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Catalytic site (original residue number in PDB) R18 T172 H193 D197
Catalytic site (residue number reindexed from 1) R15 T169 H190 D194
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 FUA H V28 H193 V25 H190
BS02 FUA H Y133 S146 F156 L158 F166 Y130 S143 F153 L155 F163
Gene Ontology
Molecular Function
GO:0008811 chloramphenicol O-acetyltransferase activity
GO:0016746 acyltransferase activity
Biological Process
GO:0046677 response to antibiotic

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:1q23, PDBe:1q23, PDBj:1q23
PDBsum1q23
PubMed
UniProtP62577|CAT_ECOLX Chloramphenicol acetyltransferase (Gene Name=cat)

[Back to BioLiP]