Structure of PDB 8by2 Chain A Binding Site BS01

Receptor Information
>8by2 Chain A (length=548) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MDSHTLIQALIYLGSAALIVPIAVRLGLGSVLGYLIAGCIIGPWGLRLVT
DAESILHFAEIGVVLMLFIIGLELDPQRLWKLRAAVFGGGALQMVICGGL
LGLFCMLLGLRWQVAELIGMTLALSSTAIAMQAMNERNLMVTQMGRSAFA
VLLFQDIAAIPLVAMIPLLATSSASTTMGAFALSALKVAGALVLVVLLGR
YVTRPALRFVARSGLREVFSAVALFLVFGFGLLLEEVGLSMAMGAFLAGV
LLASSEYRHALESDIEPFKGLLLGLFFIGVGMSIDFGTLLENPLRIVILL
LGFLIIKIAMLWLIARPLQVPNKQRRWFAVLLGQGSEFAFVVFGAAQMAN
VLEPEWAKSLTLAVALSMAATPILLVILNRLEQSSEQPRVIIAGFGRFGQ
ITGRLLLSSGVKMVVLDHDPDHIETLRKFGMKVFYGDATRMDLLESAGAA
KAEVLINAIDDPQTNLQLTEMVKEHFPHLQIIARARDVDHYIRLRQAGVE
KPERETFEGALKTGRLALESLGLGPYEARERADVFRRFNIQMVEEMAM
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 chain8by2 Chain A Residue 601 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB8by2 Structure and mechanism of the K+/H+ exchanger KefC
Resolution3.18 Å
Binding residue
(original residue number in PDB)		S125 T127 L152 Q155 D156
Binding residue
(residue number reindexed from 1)		S125 T127 L152 Q155 D156
Annotation score5
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0005515 protein binding
GO:0008324 monoatomic cation transmembrane transporter activity
GO:0015079 potassium ion transmembrane transporter activity
GO:0015297 antiporter activity
GO:0015503 glutathione-regulated potassium exporter activity
GO:0015643 toxic substance binding
GO:0019899 enzyme binding
GO:0042803 protein homodimerization activity
Biological Process
GO:0006812 monoatomic cation transport
GO:0006813 potassium ion transport
GO:0006885 regulation of pH
GO:0009636 response to toxic substance
GO:0042542 response to hydrogen peroxide
GO:0051453 regulation of intracellular pH
GO:0051454 intracellular pH elevation
GO:0051595 response to methylglyoxal
GO:0055085 transmembrane transport
GO:0071805 potassium ion transmembrane transport
GO:1902600 proton transmembrane transport
Cellular Component
GO:0005886 plasma membrane
GO:0016020 membrane
GO:1903103 potassium:proton antiporter complex

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Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:8by2, PDBe:8by2, PDBj:8by2
PDBsum8by2
PubMed38834573
UniProtP03819|KEFC_ECOLI Glutathione-regulated potassium-efflux system protein KefC (Gene Name=kefC)

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