1NPQ
structure of a rhodamine-labeled N-domain Troponin C mutant (Ca2+ saturated) in complex with skeletal Troponin I 115-131
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Troponin C | polymer | 90 | 9932.1 | 1 | UniProt (P02588) Pfam (PF13499) | Gallus gallus (chicken) | Troponin C, skeletal muscle |
| 2 | B (B) | Troponin I | polymer | 17 | 1890.3 | 1 | UniProt (P02643) | Troponin I, fast skeletal muscle; Troponin I, fast-twitch isoform | |
| 3 | C, D (A) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) |
Sequence modifications
A: 1 - 90 (UniProt: P02588)
| PDB | External Database | Details |
|---|---|---|
| Cys 56 | Glu 56 | engineered mutation |
| Cys 63 | Glu 63 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 11822.4 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 80.2 | |
| All* | Total formula weight | 11902.6 |
