2EC6
Placopecten Striated Muscle Myosin II
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 | polymer | 838 | 95832.9 | 1 | UniProt (Q26079) Pfam (PF02736) Pfam (PF00063) In PDB | Placopecten magellanicus (sea scallop) | |
| 2 | B | Myosin regulatory light chain | polymer | 133 | 15354.4 | 1 | UniProt (Q26069) Pfam (PF13499) In PDB | Placopecten magellanicus (sea scallop) | R-LC |
| 3 | C | Myosin essential light chain | polymer | 156 | 17620.6 | 1 | UniProt (Q26066) Pfam (PF13499) In PDB | Placopecten magellanicus (sea scallop) | E-LC, Sulfhydryl light chain, SHLC |
| 4 | C | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 5 | water | water | 18.0 | 31 | Chemie (HOH) |
Sequence modifications
B: 23 - 155 (UniProt: Q26069)
C: 2 - 157 (UniProt: Q26066)
| PDB | External Database | Details |
|---|---|---|
| Glu 49 | Met 49 | conflict |
| Asp 105 | Leu 105 | conflict |
| Ala 106 | Asp 106 | conflict |
| PDB | External Database | Details |
|---|---|---|
| Asp 14 | Glu 14 | conflict |
| Leu 34 | Ile 34 | conflict |
| Phe 84 | Tyr 84 | engineered mutation |
| Ala 151 | Thr 151 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 128807.8 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 40.1 | |
| All* | Total formula weight | 128847.9 |
