4B1U
Structure of the Phactr1 RPEL domain and RPEL motif directed assemblies with G-actin reveal the molecular basis for actin binding cooperativity.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | B | ACTIN, ALPHA SKELETAL MUSCLE | polymer | 376 | 41965.8 | 1 | UniProt (P68134) Pfam (PF00022) In PDB | ORYCTOLAGUS CUNICULUS (RABBIT) | ALPHA-ACTIN-1 |
| 2 | M | PHOSPHATASE AND ACTIN REGULATOR 1 | polymer | 32 | 3842.5 | 1 | UniProt (G5E8P7) Pfam (PF02755) UniProt (by SIFTS) (Q2M3X8) In PDB | ORYCTOLAGUS CUNICULUS | PHOSPHATASE AND ACTIN REGULATOR 1\, ISOFORM CRA_C |
| 3 | B | LATRUNCULIN B | non-polymer | 395.5 | 1 | Chemie (LAB) | |||
| 4 | B | ADENOSINE-5'-TRIPHOSPHATE | non-polymer | 507.2 | 1 | Chemie (ATP) | |||
| 5 | B | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 6 | B | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 122.1 | 1 | Chemie (TRS) | |||
| 7 | M | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 8 | water | water | 18.0 | 155 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 45808.2 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 1089.2 | |
| All* | Total formula weight | 46897.5 |
