Structure of PDB 1kqa Chain C

Receptor sequence
>1kqaC (length=200) Species: 562 (Escherichia coli) [Search protein sequence]
NMPMTERIRAGKLFTDMCEGLPEKRLRGKTLMYEFNHSHPSEVEKRESLI
KEMFATVGENAWVEPPVYFSYGSNIHIGRNFYANFNLTIVDDYTVTIGDN
VLIAPNVTLSVTGHPVHHELRKNGEMYSFPITIGNNVWIGSHVVINPGVT
IGDNSVIGAGSIVTKDIPPNVVAAGVPCRVIREINDRDKHYYFKDYKVES
3D structure
PDB1kqa Structure of the lac operon galactoside acetyltransferase.
ChainC
Resolution3.2 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 2.3.1.18: galactoside 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 COA C S111 T113 N147 P178 S110 T112 N146 P177
BS02 COA C W139 S142 G159 A160 A175 W138 S141 G158 A159 A174
Gene Ontology
Molecular Function
GO:0008870 galactoside O-acetyltransferase activity
GO:0016407 acetyltransferase activity
GO:0016740 transferase activity
GO:0016746 acyltransferase activity
GO:0016747 acyltransferase activity, transferring groups other than amino-acyl groups
GO:0042802 identical protein binding
Biological Process
GO:0005989 lactose biosynthetic process
Cellular Component
GO:0005737 cytoplasm

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:1kqa, PDBe:1kqa, PDBj:1kqa
PDBsum1kqa
PubMed11937062
UniProtP07464|THGA_ECOLI Galactoside O-acetyltransferase (Gene Name=lacA)

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