Structure of PDB 2qw1 Chain A

Receptor sequence
>2qw1A (length=305) Species: 562 (Escherichia coli) [Search protein sequence]
DTRIGVTIYKYDDNFMSVVRKAIEQDAKAAPDVQLLMNDSQNDQSKQNDQ
IDVLLAKGVKALAINLVDPAAAGTVIEKARGQNVPVVFFNKEPSRKALDS
YDKAYYVGTDSKESGIIQGDLIAKHWAANQGWDLNKDGQIQFVLLKGEPG
HPDAEARTTYVIKELNDKGIKTEQLQLDTAMWDTAQAKDKMDAWLSGPNA
NKIEVVIANNDAMAMGAVEALKAHNKSSIPVFGVDALPEALALVKSGALA
GTVLNDANNQAKATFDLAKNLADGKGAADGTNWKIDNKVVRVPYVGVDKD
NLAEF
3D structure
PDB2qw1 Structure-based design of a periplasmic binding protein antagonist that prevents domain closure.
ChainA
Resolution1.7 Å
3D
structure
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Enzymatic activity
Enzyme Commision number ?
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 3MG A H152 W183 N211 D236 H151 W182 N210 D235 MOAD: Ki=125uM
PDBbind-CN: -logKd/Ki=3.90,Ki=125uM
BS02 CA A D134 N136 D138 Q140 Q142 E205 D133 N135 D137 Q139 Q141 E204
Gene Ontology
Molecular Function
GO:0005509 calcium ion binding
GO:0030246 carbohydrate binding
GO:0046872 metal ion binding
Biological Process
GO:0006935 chemotaxis
GO:0015757 galactose transmembrane transport
GO:0015765 methylgalactoside transport
Cellular Component
GO:0016020 membrane
GO:0030288 outer membrane-bounded periplasmic space
GO:0042597 periplasmic space
GO:0055052 ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing

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Cellular Component
External links
PDB RCSB:2qw1, PDBe:2qw1, PDBj:2qw1
PDBsum2qw1
PubMed19348466
UniProtP0AEE5|MGLB_ECOLI D-galactose/methyl-galactoside binding periplasmic protein MglB (Gene Name=mglB)

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