Structure of PDB 4j7c Chain I Binding Site BS01

Receptor Information
>4j7c Chain I (length=429) Species: 224308 (Bacillus subtilis subsp. subtilis str. 168) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TPPQVLAIGFFLTIIIGAVLLMLPISTTKPLSWIDALFTAASATTVTGLA
VVDTGTQFTVFGQTVIMGLIQIGGLGFMTFAVLIVMILKIGLKERMLVQE
ALNQPTIGGVIGLVKVLFLFSISIELIAALILSIRLVPQYGWSSGLFASL
FHAISAFNNAGFSLWPDNLMSYVGDPTVNLVITFLFITGGIGFTVLFDVM
KNRRFKTFSLHTKLMLTGTLMLNAIAMLTVFILEYSNPGTLGHLHIVDKL
WASYFQAVTPRTAGFNSLDFGSMREGTIVFTLLLMFIGAGSASTASGIKL
TTFIVILTSVIAYLRGKKETVIFRRSIKYPIIIKALAVSVTSLFIVFLGI
FALTITEQAPFLQIVFETFSAFGTVGLTMGLTPELTTAGKCIIIVIMFIG
RIGPLTFVFSFAKTEQSNIRYPDGEVFTG
Ligand information
Ligand IDK
InChIInChI=1S/K/q+1
InChIKeyNPYPAHLBTDXSSS-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04
CACTVS 3.341
OpenEye OEToolkits 1.5.0		[K+]
FormulaK
NamePOTASSIUM ION
ChEMBLCHEMBL1233793
DrugBankDB01345
ZINC
PDB chain4j7c Chain I Residue 501 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4j7c The structure of the KtrAB potassium transporter
Resolution3.5 Å
Binding residue
(original residue number in PDB)		V60 T61 G62 N175 A176 G177 T278 A279 G280 T390 V391 G392
Binding residue
(residue number reindexed from 1)		V46 T47 G48 N159 A160 G161 T262 A263 G264 T374 V375 G376
Annotation score5
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0005515 protein binding
GO:0008324 monoatomic cation transmembrane transporter activity
GO:0015379 potassium:chloride symporter activity
Biological Process
GO:0006812 monoatomic cation transport
GO:0006813 potassium ion transport
GO:0030001 metal ion transport
GO:0055085 transmembrane transport
GO:0071805 potassium ion transmembrane transport
Cellular Component
GO:0005886 plasma membrane
GO:0016020 membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4j7c, PDBe:4j7c, PDBj:4j7c
PDBsum4j7c
PubMed23598340
UniProtO32081|KTRB_BACSU Ktr system potassium uptake protein B (Gene Name=ktrB)

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