5L3Q
Structure of the GTPase heterodimer of human SRP54 and SRalpha
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, C (A, C) | Signal recognition particle 54 kDa protein | polymer | 442 | 49130.6 | 2 | UniProt (P61011) Pfam (PF02881) Pfam (PF00448) Pfam (PF02978) | Homo sapiens (Human) | SRP54 |
| 2 | B, D (B, D) | Signal recognition particle receptor subunit alpha | polymer | 638 | 69908.1 | 2 | UniProt (P08240) Pfam (PF04086) Pfam (PF02881) Pfam (PF00448) | Homo sapiens (Human) | SR-alpha,Docking protein alpha,DP-alpha |
| 3 | E, J, K, L, M... (A, B, C, D) | SULFATE ION | non-polymer | 96.1 | 9 | Chemie (SO4) | |||
| 4 | F, N, S, Y (A, B, C, D) | PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER | non-polymer | 522.2 | 4 | Chemie (GNP) | |||
| 5 | G, O, T, Z (A, B, C, D) | MAGNESIUM ION | non-polymer | 24.3 | 4 | Chemie (MG) | |||
| 6 | AA, H, P, U (D, A, B, C) | GLYCEROL | non-polymer | 92.1 | 4 | Chemie (GOL) | |||
| 7 | I, V (A, C) | ADENOSINE MONOPHOSPHATE | non-polymer | 347.2 | 2 | Chemie (AMP) | |||
| 8 | BA, CA, DA, EA (A, B, C, D) | water | water | 18.0 | 129 | Chemie (HOH) |
Sequence modifications
A, C: 1 - 436 (UniProt: P61011)
| PDB | External Database | Details |
|---|---|---|
| His -5 | - | expression tag |
| His -4 | - | expression tag |
| His -3 | - | expression tag |
| His -2 | - | expression tag |
| His -1 | - | expression tag |
| His 0 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 238077.5 | |
| Non-Polymers* | Number of molecules | 23 |
| Total formula weight | 4113.4 | |
| All* | Total formula weight | 242190.9 |
