Structure of PDB 1kqa Chain A

Receptor sequence
>1kqaA (length=200) Species: 562 (Escherichia coli) [Search protein sequence]
NMPMTERIRAGKLFTDMCEGLPEKRLRGKTLMYEFNHSHPSEVEKRESLI
KEMFATVGENAWVEPPVYFSYGSNIHIGRNFYANFNLTIVDDYTVTIGDN
VLIAPNVTLSVTGHPVHHELRKNGEMYSFPITIGNNVWIGSHVVINPGVT
IGDNSVIGAGSIVTKDIPPNVVAAGVPCRVIREINDRDKHYYFKDYKVES
3D structure
PDB1kqa Structure of the lac operon galactoside acetyltransferase.
ChainA
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 A W139 G159 A160 A175 W138 G158 A159 A174
BS02 COA A T113 V117 N147 P178 T112 V116 N146 P177
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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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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