Structure of PDB 7nnl Chain B

Receptor sequence
>7nnlB (length=682) Species: 562 (Escherichia coli) [Search protein sequence]
MSRKQLALFEPTLVVQALKEAVKKLNPQAQWRNPVMFIVWIGSLLTTCIS
IAMASGAMPGNALFSAAISGWLWITVLFANFAEALAEGRSKAQANSLKGV
KKTAFARKLREPKYGAAADKVPADQLRKGDIVLVEAGDIIPCDGEVIEGG
ASVDESAITGESAPVIRESGGDFASVTGGTRILSDWLVIECSVNPGETFL
DRMIAMVEGAQRRKTPNEIALTILLIALTIVFLLATATLWPFSAWGGNAV
SVTVLVALLVCLIPTTIGGLLSAIGVAGMSRMLGANVIATSGRAVEAAGD
VDVLLLNKTGTITLGNRQASEFIPAQGVDEKTLADAAQLASLADETPEGR
SIVILAKQRFNLRERDVQSLHATFVPFTAQSRMSGINIDNRMIRKGSVDA
IRRHVEANGGHFPTDVDQKVDQVARQGATPLVVVEGSRVLGVIALKDIVK
GGIKERFAQLRKMGIKTVMITGDNRLTAAAIAAEAGVDDFLAEATPEAKL
ALIRQYQAEGRLVAMTGDGTNDAPALAQADVAVAMNSGTQAAKEAGNMVD
LDSNPTKLIEVVHIGKQMLMTRGSLTTFSIANDVAKYFAIIPAAFAATYP
QLNALNIMCLHSPDSAILSAVIFNALIIVFLIPLALKGVSYKPLTASAML
RRNLWIYGLGGLLVPFIGIKVIDLLLTVCGLV
3D structure
PDB7nnl Deciphering ion transport and ATPase coupling in the intersubunit tunnel of KdpFABC.
ChainB
Resolution3.1 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 F37 I226 I230 L233 A237 W240 W31 F37 I226 I230 L233 A237 W240
BS02 ACP B N307 T309 R317 E348 F377 S384 K395 S397 L431 G472 D473 G519 N307 T309 R317 E348 F377 S384 K395 S397 L431 G472 D473 G519
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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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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