Structure of PDB 1y3q Chain A Binding Site BS01

Receptor Information

>1y3q Chain A (length=490) Species: 90322 (Sphingomonas sp. A1) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]

REATWVTEKPLTLKIHMHFRDKWVWDENWPVAREVARLTNVKLVGVANRA
ATNSQEQFNLMMASGQLPDIVGGDNLKDKFIRYGMEGAFIPLNKLIDQNA
PNLKAFFKTHPEVQRAITAPDGNIYYLPYVPDGLVSRGYFIRQDWLDKLH
LKTPQTVDELYTVLKAFKEKDPNGNGKADEIPFINRDPEEVFRLVNFWGA
RSTGSNTWMDFYVENGKIKHPFAEVAFKDGIKHVAQWYKEGLIDPEIFTR
KARSREQTFGNNIGGMTHDWFASTALFNDALSKNIPGFKLVPMAPPINSK
GQRWEEDARQIPRPDGWAITATNKNPVETIKLFDFYFGPKGRELSNFGVP
GLTYDIKNGKPVYKDTVLKAAQPVNNQMYDIGAQIPIGFWQDYEYERQWT
NDVALQGIDMYIKNKYVLPQFTGVNLTVEEREIYDKYWPDVKTYMFEMGQ
SWVMGTKDPEKTWNDYQQQLKNRGFYQVMIVMQKAYDRQY

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

1y3q Chain A Residue 800 [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	1y3q Direct Evidence for Sphingomonas sp. A1 Periplasmic Proteins as Macromolecule-Binding Proteins Associated with the ABC Transporter: Molecular Insights into Alginate Transport in the Periplasm(,)
Resolution	1.9 Å
Binding residue (original residue number in PDB)	D171 N173 N175 K177 D179 E180
Binding residue (residue number reindexed from 1)	D171 N173 N175 K177 D179 E180
Annotation score	4

Enzymatic activity

Enzyme Commision number

Gene Ontology

	Molecular Function
GO:0046872	metal ion binding

View graph for
Molecular Function

External links

PDB	RCSB:1y3q, PDBe:1y3q, PDBj:1y3q
PDBsum	1y3q
PubMed	15794643
UniProt	Q9KWT6

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