7NNP
Rb-loaded cryo-EM structure of the E1-ATP KdpFABC complex.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Potassium-transporting ATPase potassium-binding subunit | polymer | 557 | 59276.7 | 1 | UniProt (A0A2S5ZPF1) Pfam (PF03814) UniProt (by SIFTS) (P03959) | Escherichia coli | ATP phosphohydrolase [potassium-transporting] A chain,Potassium-binding and translocating subunit A,Potassium-translocating ATPase A chain |
| 2 | B (C) | Potassium-transporting ATPase KdpC subunit | polymer | 190 | 20281.0 | 1 | UniProt (A0A037YI39) Pfam (PF02669) UniProt (by SIFTS) (P03961) | Escherichia coli | ATP phosphohydrolase [potassium-transporting] C chain,Potassium-binding and translocating subunit C,Potassium-translocating ATPase C chain |
| 3 | C (D) | Potassium-transporting ATPase KdpF subunit | polymer | 27 | 2853.5 | 1 | UniProt (P36937) Pfam (PF09604) | Escherichia coli | ATP phosphohydrolase [potassium-transporting] F chain,Potassium-binding and translocating subunit F,Potassium-translocating ATPase F chain |
| 4 | D (B) | Potassium-transporting ATPase ATP-binding subunit | polymer | 682 | 72251.9 | 1 | UniProt (A0A024L5I2) Pfam (PF00122) Pfam (PF00702) UniProt (by SIFTS) (P03960) | Escherichia coli | ATP phosphohydrolase [potassium-transporting] B chain,Potassium-binding and translocating subunit B,Potassium-translocating ATPase B chain |
| 5 | E, F, G, H, I... (A, B) | RUBIDIUM ION | non-polymer | 85.5 | 8 | Chemie (RB) | |||
| 6 | K, N (A, B) | CARDIOLIPIN | non-polymer | 1464.0 | 2 | Chemie (CDL) | |||
| 7 | M (B) | PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER | non-polymer | 505.2 | 1 | Chemie (ACP) |
Sequence modifications
A: 1 - 557 (UniProt: A0A2S5ZPF1)
B: 1 - 682 (UniProt: A0A024L5I2)
| PDB | External Database | Details |
|---|---|---|
| Asp 232 | Gly 232 | engineered mutation |
| PDB | External Database | Details |
|---|---|---|
| Ala 162 | Ser 162 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 154663.0 | |
| Non-Polymers* | Number of molecules | 11 |
| Total formula weight | 4117.0 | |
| All* | Total formula weight | 158780.1 |






