Structure of PDB 7nnl Chain B Binding Site BS01

Receptor Information
>7nnl Chain B (length=682) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MSRKQLALFEPTLVVQALKEAVKKLNPQAQWRNPVMFIVWIGSLLTTCIS
IAMASGAMPGNALFSAAISGWLWITVLFANFAEALAEGRSKAQANSLKGV
KKTAFARKLREPKYGAAADKVPADQLRKGDIVLVEAGDIIPCDGEVIEGG
ASVDESAITGESAPVIRESGGDFASVTGGTRILSDWLVIECSVNPGETFL
DRMIAMVEGAQRRKTPNEIALTILLIALTIVFLLATATLWPFSAWGGNAV
SVTVLVALLVCLIPTTIGGLLSAIGVAGMSRMLGANVIATSGRAVEAAGD
VDVLLLNKTGTITLGNRQASEFIPAQGVDEKTLADAAQLASLADETPEGR
SIVILAKQRFNLRERDVQSLHATFVPFTAQSRMSGINIDNRMIRKGSVDA
IRRHVEANGGHFPTDVDQKVDQVARQGATPLVVVEGSRVLGVIALKDIVK
GGIKERFAQLRKMGIKTVMITGDNRLTAAAIAAEAGVDDFLAEATPEAKL
ALIRQYQAEGRLVAMTGDGTNDAPALAQADVAVAMNSGTQAAKEAGNMVD
LDSNPTKLIEVVHIGKQMLMTRGSLTTFSIANDVAKYFAIIPAAFAATYP
QLNALNIMCLHSPDSAILSAVIFNALIIVFLIPLALKGVSYKPLTASAML
RRNLWIYGLGGLLVPFIGIKVIDLLLTVCGLV
Ligand information
>7nnl Chain D (length=27) Species: 562 (Escherichia coli) [Search peptide sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
MSAGVITGVLLVFLLLGYLVYALINAE
Receptor-Ligand Complex Structure
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PDB7nnl Deciphering ion transport and ATPase coupling in the intersubunit tunnel of KdpFABC.
Resolution3.1 Å
Binding residue
(original residue number in PDB)		W31 F37 I226 I230 L233 A237 W240
Binding residue
(residue number reindexed from 1)		W31 F37 I226 I230 L233 A237 W240
Enzymatic activity
Enzyme Commision number 7.2.2.6: P-type K(+) transporter.
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0005215 transporter activity
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0008556 P-type potassium transmembrane transporter activity
GO:0015662 P-type ion transporter activity
GO:0016887 ATP hydrolysis activity
GO:0046872 metal ion binding
Biological Process
GO:0006813 potassium ion transport
GO:0071805 potassium ion transmembrane transport
GO:0098655 monoatomic cation transmembrane transport
Cellular Component
GO:0005886 plasma membrane
GO:0016020 membrane
GO:0031004 potassium ion-transporting ATPase complex
GO:1903103 potassium:proton antiporter complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:7nnl, PDBe:7nnl, PDBj:7nnl
PDBsum7nnl
PubMed34429416
UniProtP03960|KDPB_ECOLI Potassium-transporting ATPase ATP-binding subunit (Gene Name=kdpB)

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