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7ZRK

Cryo-EM map of the WT KdpFABC complex in the E1-P_ADP conformation, under turnover conditions

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Potassium-transporting ATPase potassium-binding subunitpolymer55759218.61UniProt (P03959)
Pfam (PF03814)
Escherichia coliATP phosphohydrolase [potassium-transporting] A chain,Potassium-binding and translocating subunit A,Potassium-translocating ATPase A chain
2B
(C)
Potassium-transporting ATPase KdpC subunitpolymer19020281.01UniProt (P03961)
Pfam (PF02669)
Escherichia coliATP phosphohydrolase [potassium-transporting] C chain,Potassium-binding and translocating subunit C,Potassium-translocating ATPase C chain
3C
(D)
Potassium-transporting ATPase KdpF subunitpolymer272853.51UniProt (P36937)
Pfam (PF09604)
Escherichia coliATP phosphohydrolase [potassium-transporting] F chain,Potassium-binding and translocating subunit F,Potassium-translocating ATPase F chain
4D
(B)
Potassium-transporting ATPase ATP-binding subunitpolymer68272427.81UniProt (P03960)
Pfam (PF00122)
Pfam (PF00702)
Escherichia coliATP phosphohydrolase [potassium-transporting] B chain,Potassium-binding and translocating subunit B,Potassium-translocating ATPase B chain
5E, F, G, H, I...
(A, B)
POTASSIUM IONnon-polymer39.112Chemie (K)
6P, Q
(A)
CARDIOLIPINnon-polymer1464.02Chemie (CDL)
7R
(B)
ADENOSINE-5'-DIPHOSPHATEnon-polymer427.21Chemie (ADP)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight154780.9
Non-Polymers*Number of molecules15
Total formula weight3824.5
All*Total formula weight158605.4
*Water molecules are not included.

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PDB entries from 2025-06-18

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