Structure of PDB 1gcg Chain A Binding Site BS01

Receptor Information

>1gcg Chain A (length=309) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]

ADTRIGVTIYKYDDNFMSVVRKAIEKDGKSAPDVQLLMNDSQNDQSKQND
QIDVLLAKGVKALAINLVDPAAAGTVIEKARGQNVPVVFFNKEPSRKALD
SYDKAYYVGTDSKESGVIQGDLIAKHWQANQGWDLNKDGKIQYVLLKGEP
GHPDAEARTTYVVKELNDKGIQTEQLALDTAMWDTAQAKDKMDAWLSGPN
ANKIEVVIANNDAMAMGAVEALKAHNKSSIPVFGVDALPEALALVKSGAM
AGTVLNDANNQAKATFDLAKNLAEGKGAADGTSWKIENKIVRVPYVGVDK
DNLSEFTQK

Ligand information

Ligand ID

InChI

InChI=1S/Ca/q+2

InChIKey

BHPQYMZQTOCNFJ-UHFFFAOYSA-N

SMILES

Software	SMILES
CACTVS 3.341	[Ca++]
ACDLabs 10.04 OpenEye OEToolkits 1.5.0	[Ca+2]

Formula

Name

CALCIUM ION

PDB chain

1gcg Chain A Residue 310 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]

Receptor-Ligand Complex Structure

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Structure summary

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PDB	1gcg The 1.9 A x-ray structure of a closed unliganded form of the periplasmic glucose/galactose receptor from Salmonella typhimurium.
Resolution	1.9 Å
Binding residue (original residue number in PDB)	D134 N136 D138 K140 Q142 E205
Binding residue (residue number reindexed from 1)	D134 N136 D138 K140 Q142 E205
Annotation score	4

Enzymatic activity

Enzyme Commision number

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:1gcg, PDBe:1gcg, PDBj:1gcg
PDBsum	1gcg
PubMed	8132630
UniProt	P23905\|MGLB_SALTY D-galactose/methyl-galactoside binding periplasmic protein MglB (Gene Name=mglB)

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