Structure of PDB 7nnp Chain B

Receptor sequence
>7nnpB (length=682) Species: 562 (Escherichia coli) [Search protein sequence]
MSRKQLALFEPTLVVQALKEAVKKLNPQAQWRNPVMFIVWIGSLLTTCIS
IAMASGAMPGNALFSAAISGWLWITVLFANFAEALAEGRSKAQANSLKGV
KKTAFARKLREPKYGAAADKVPADQLRKGDIVLVEAGDIIPCDGEVIEGG
ASVDESAITGEAAPVIRESGGDFASVTGGTRILSDWLVIECSVNPGETFL
DRMIAMVEGAQRRKTPNEIALTILLIALTIVFLLATATLWPFSAWGGNAV
SVTVLVALLVCLIPTTIGGLLSAIGVAGMSRMLGANVIATSGRAVEAAGD
VDVLLLDKTGTITLGNRQASEFIPAQGVDEKTLADAAQLASLADETPEGR
SIVILAKQRFNLRERDVQSLHATFVPFTAQSRMSGINIDNRMIRKGSVDA
IRRHVEANGGHFPTDVDQKVDQVARQGATPLVVVEGSRVLGVIALKDIVK
GGIKERFAQLRKMGIKTVMITGDNRLTAAAIAAEAGVDDFLAEATPEAKL
ALIRQYQAEGRLVAMTGDGTNDAPALAQADVAVAMNSGTQAAKEAGNMVD
LDSNPTKLIEVVHIGKQMLMTRGSLTTFSIANDVAKYFAIIPAAFAATYP
QLNALNIMCLHSPDSAILSAVIFNALIIVFLIPLALKGVSYKPLTASAML
RRNLWIYGLGGLLVPFIGIKVIDLLLTVCGLV
3D structure
PDB7nnp Deciphering ion transport and ATPase coupling in the intersubunit tunnel of KdpFABC.
ChainB
Resolution3.2 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 7.2.2.6: P-type K(+) transporter.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 peptide B W31 R32 P34 F37 I38 I226 I230 L233 W31 R32 P34 F37 I38 I226 I230 L233
BS02 ACP B D307 T309 E348 F377 G396 L431 T471 G472 K499 N521 D522 D307 T309 E348 F377 G396 L431 T471 G472 K499 N521 D522
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
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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Cellular Component
External links
PDB RCSB:7nnp, PDBe:7nnp, PDBj:7nnp
PDBsum7nnp
PubMed34429416
UniProtP03960|KDPB_ECOLI Potassium-transporting ATPase ATP-binding subunit (Gene Name=kdpB)

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