Structure of PDB 3ga5 Chain A

Receptor sequence
>3ga5A (length=305) [Search protein sequence]
TRIGVTIYKYDDNFMSVVRKAIEKDGKSAPDVQLLMNDSQNDQSKQNDQI
DVLLAKGVKALAINLVDPAAAGTVIEKARGQNVPVVFFNKEPSRKALDSY
DKAYYVGTDSKESGVIQGDLIAKHWQANQGWDLNKDGKIQYVLLKGEPGH
PDAEARTTYVVKELNDKGIQTEQLALDTAMWDTAQAKDKMDAWLSGPNAN
KIEVVIANNDAMAMGAVEALKAHNKSSIPVFGVDALPEALALVKSGAMAG
TVLNDANNQAKATFDLAKNLAEGKGAADGTSWKIENKIVRVPYVGVDKDN
LSEFT
3D structure
PDB3ga5 X-ray structure of glucose/galactose receptor from Salmonella typhimurium in complex with the physiological ligand, (2R)-glyceryl-beta-D-galactopyranoside
ChainA
Resolution1.87 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 RGG A D14 F16 N91 K92 T110 H152 D154 R158 W183 N211 D236 N256 Q261 D12 F14 N89 K90 T108 H150 D152 R156 W181 N209 D234 N254 Q259 MOAD: Kd=3.2uM
PDBbind-CN: -logKd/Ki=5.49,Kd=3.2uM
BS02 CA A D134 N136 D138 K140 Q142 E205 D132 N134 D136 K138 Q140 E203
Gene Ontology
Molecular Function
GO:0030246 carbohydrate binding
GO:0046872 metal ion binding
Biological Process
GO:0006935 chemotaxis
Cellular Component
GO:0030288 outer membrane-bounded periplasmic space
GO:0042597 periplasmic space

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Cellular Component
External links
PDB RCSB:3ga5, PDBe:3ga5, PDBj:3ga5
PDBsum3ga5
PubMed19292879
UniProtP23905|MGLB_SALTY D-galactose/methyl-galactoside binding periplasmic protein MglB (Gene Name=mglB)

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