Structure of PDB 1kwh Chain A Binding Site BS01

Receptor Information

>1kwh Chain A (length=492) Species: 90322 (Sphingomonas sp. A1) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]

KEATWVTDKPLTLKIHMHFRDKWVWDENWPVAKESFRLTNVKLQSVANKA
ATNSQEQFNLMMASGDLPDVVGGDNLKDKFIQYGQEGAFVPLNKLIDQYA
PHIKAFFKSHPEVERAIKAPDGNIYFIPYVPDGVVARGYFIREDWLKKLN
LKPPQNIDELYTVLKAFKEKDPNGNGKADEVPFIDRHPDEVFRLVNFWGA
RSSGSDNYMDFYIDNGRVKHPWAETAFRDGMKHVAQWYKEGLIDKEIFTR
KAKAREQMFGGNLGGFTHDWFASTMTFNEGLAKTVPGFKLIPIAPPTNSK
GQRWEEDSRQKVRPDGWAITVKNKNPVETIKFFDFYFSRPGRDISNFGVP
GVTYDIKNGKAVFKDSVLKSPQPVNNQLYDMGAQIPIGFWQDYDYERQWT
TPEAQAGIDMYVKGKYVMPGFEGVNMTREERAIYDKYWADVRTYMYEMGQ
AWVMGTKDVDKTWDEYQRQLKLRGLYQVLQMMQQAYDRQYKN

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

1kwh 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	1kwh Crystal structure of AlgQ2, a macromolecule (alginate)-binding protein of Sphingomonas sp. A1 at 2.0A resolution.
Resolution	2.0 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

	Cellular Component
GO:0042597	periplasmic space

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Molecular Function

View graph for
Cellular Component

External links

PDB	RCSB:1kwh, PDBe:1kwh, PDBj:1kwh
PDBsum	1kwh
PubMed	11884143
UniProt	Q9KWT5

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