1YV0
Crystal structure of skeletal muscle troponin in the Ca2+-free state
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (T) | Troponin T, fast skeletal muscle isoforms | polymer | 107 | 12694.7 | 1 | UniProt (P12620) Pfam (PF00992) | Gallus gallus (chicken) | Troponin T2 |
| 2 | B (I) | Troponin I, fast skeletal muscle | polymer | 137 | 15853.3 | 1 | UniProt (P68246) Pfam (PF00992) | Gallus gallus (chicken) | Troponin I, fast-twitch isoform |
| 3 | C (C) | Troponin C, skeletal muscle | polymer | 162 | 18261.2 | 1 | UniProt (P02588) Pfam (PF13499) Pfam (PF00036) | Gallus gallus (chicken) | |
| 4 | D, E (C) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) |
Sequence modifications
I: 1 - 137 (UniProt: P68246)
| PDB | External Database | Details |
|---|---|---|
| Ser 48 | Cys 48 | engineered mutation |
| Ser 64 | Cys 64 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 46809.2 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 48.6 | |
| All* | Total formula weight | 46857.8 |
