3U61
Structure of T4 Bacteriophage Clamp Loader Bound To Closed Clamp, DNA and ATP Analog and ADP
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D (B, C, D, E) | DNA polymerase accessory protein 44 | polymer | 324 | 36189.6 | 4 | UniProt (P04526) Pfam (PF00004) Pfam (PF21328) Pfam (PF21429) | Enterobacteria phage T4 | Clamp loader large subunit, Protein Gp44 |
| 2 | E (A) | DNA polymerase accessory protein 62 | polymer | 199 | 22941.3 | 1 | UniProt (P04527) Pfam (PF16790) | Enterobacteria phage T4 | Clamp loader small subunit, Protein Gp62 |
| 3 | F, G, H (G, H, F) | DNA polymerase processivity component | polymer | 228 | 25162.6 | 3 | UniProt (P04525) Pfam (PF02916) Pfam (PF09116) | Enterobacteria phage T4 | DNA polymerase accessory protein 45, Gp45 |
| 4 | I (I) | Template DNA strand | polymer | 20 | 6117.9 | 1 | |||
| 5 | J (J) | Primer DNA strand | polymer | 10 | 3014.0 | 1 | |||
| 6 | K (B) | ADENOSINE-5'-DIPHOSPHATE | non-polymer | 427.2 | 1 | Chemie (ADP) | |||
| 7 | L, N, P (B, C, D) | MAGNESIUM ION | non-polymer | 24.3 | 3 | Chemie (MG) | |||
| 8 | M, O (C, D) | [[[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy-oxidanyl-phosphoryl]oxy-tris(fluoranyl)beryllium | non-polymer | 492.2 | 2 | Chemie (08T) |
Sequence modifications
B, C, D, E: 1 - 319 (UniProt: P04526)
A: 2 - 187 (UniProt: P04527)
| PDB | External Database | Details |
|---|---|---|
| Gly -4 | - | expression tag |
| Pro -3 | - | expression tag |
| Gly -2 | - | expression tag |
| Gly -1 | - | expression tag |
| Ser 0 | - | expression tag |
| PDB | External Database | Details |
|---|---|---|
| Gly 188 | - | expression tag |
| Leu 189 | - | expression tag |
| Glu 190 | - | expression tag |
| His 191 | - | expression tag |
| His 192 | - | expression tag |
| His 193 | - | expression tag |
| His 194 | - | expression tag |
| His 195 | - | expression tag |
| His 196 | - | expression tag |
| His 197 | - | expression tag |
| His 198 | - | expression tag |
| His 199 | - | expression tag |
| His 200 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 10 |
| Total formula weight | 252319.4 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 1484.5 | |
| All* | Total formula weight | 253803.9 |






