2DWD
crystal structure of KcsA-FAB-TBA complex in Tl+
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A (A) | ANTIBODY FAB HEAVY CHAIN | polymer | 219 | 23411.2 | 1 | Mus musculus (house mouse) | ||
2 | B (B) | ANTIBODY FAB LIGHT CHAIN | polymer | 212 | 23435.7 | 1 | Mus musculus (house mouse) | ||
3 | C (C) | Voltage-gated potassium channel | polymer | 103 | 10978.7 | 1 | UniProt (P0A334) Pfam (PF00520) Pfam (PF07885) | Streptomyces lividans | |
4 | D (A) | NONAN-1-OL | non-polymer | 144.3 | 1 | Chemie (F09) | |||
5 | E, F, G, H (C) | THALLIUM (I) ION | non-polymer | 204.4 | 4 | Chemie (TL) | |||
6 | I (C) | (2S)-3-HYDROXY-2-(NONANOYLOXY)PROPYL LAURATE | non-polymer | 414.6 | 1 | Chemie (L2C) | |||
7 | J (C) | TETRABUTYLAMMONIUM ION | non-polymer | 242.5 | 1 | Chemie (TBA) | |||
8 | K, L, M (A, B, C) | water | water | 18.0 | 77 | Chemie (HOH) |
Sequence modifications
C: 22 - 124 (UniProt: P0A334)
PDB | External Database | Details |
---|---|---|
Cys 90 | Leu 90 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 3 |
Total formula weight | 57825.7 | |
Non-Polymers* | Number of molecules | 7 |
Total formula weight | 1618.9 | |
All* | Total formula weight | 59444.6 |