1SR6
Structure of nucleotide-free scallop myosin S1
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | Myosin heavy chain, striated muscle | polymer | 840 | 95815.1 | 1 | UniProt (P24733) Pfam (PF02736) Pfam (PF00063) In PDB | Argopecten irradians | |
| 2 | B | Myosin regulatory light chain, striated adductor muscle | polymer | 156 | 17560.9 | 1 | UniProt (P13543) Pfam (PF13499) In PDB | Argopecten irradians | R-LC |
| 3 | C | Myosin essential light chain, striated adductor muscle | polymer | 156 | 17635.6 | 1 | UniProt (P07291) Pfam (PF13499) In PDB | Argopecten irradians | E-LC, Sulfhydryl light chain, SHLC |
| 4 | A | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 5 | B | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 6 | C | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 7 | water | water | 18.0 | 95 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 131011.6 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 160.4 | |
| All* | Total formula weight | 131172.0 |
