4EI2
Crystal Structures of MthK RCK gating ring bound to Barium
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B, C, D, E... | Calcium-gated potassium channel mthK | polymer | 242 | 26887.6 | 16 | UniProt (O27564) Pfam (PF02254) Pfam (PF02080) In PDB | Methanothermobacter thermautotrophicus | |
2 | C, J, D, K, L... | BARIUM ION | non-polymer | 137.3 | 57 | Chemie (BA) | |||
3 | water | water | 18.0 | 32 | Chemie (HOH) |
Sequence modifications
A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P: 107 - 336 (UniProt: O27564)
PDB | External Database | Details |
---|---|---|
Leu 337 | - | expression tag |
Val 338 | - | expression tag |
Pro 339 | - | expression tag |
Arg 340 | - | expression tag |
Gly 341 | - | expression tag |
Ser 342 | - | expression tag |
His 343 | - | expression tag |
His 344 | - | expression tag |
His 345 | - | expression tag |
His 346 | - | expression tag |
His 347 | - | expression tag |
His 348 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 16 |
Total formula weight | 430201.5 | |
Non-Polymers* | Number of molecules | 57 |
Total formula weight | 7827.6 | |
All* | Total formula weight | 438029.1 |