4ECQ
Human DNA polymerase eta- DNA ternary complex: AT crystal at pH6.8(K+ MES) with 1 Ca2+ ion
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | DNA polymerase eta | polymer | 435 | 48617.7 | 1 | UniProt (Q9Y253) Pfam (PF00817) Pfam (PF21704) Pfam (PF11799) | Homo sapiens (human) | RAD30 homolog A, Xeroderma pigmentosum variant type protein |
| 2 | B (T) | DNA (5'-D(*CP*AP*TP*TP*AP*TP*GP*AP*CP*GP*CP*T)-3') | polymer | 12 | 3637.4 | 1 | |||
| 3 | C (P) | DNA (5'-D(*AP*GP*CP*GP*TP*CP*AP*TP*A)-3') | polymer | 9 | 2739.8 | 1 | |||
| 4 | D (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 5 | E, F, G (A) | GLYCEROL | non-polymer | 92.1 | 3 | Chemie (GOL) | |||
| 6 | H (P) | 2'-DEOXYADENOSINE 5'-TRIPHOSPHATE | non-polymer | 491.2 | 1 | Chemie (DTP) | |||
| 7 | I, J, K (A, T, P) | water | water | 18.0 | 444 | Chemie (HOH) |
Sequence modifications
A: 1 - 432 (UniProt: Q9Y253)
| PDB | External Database | Details |
|---|---|---|
| Gly -2 | - | expression tag |
| Pro -1 | - | expression tag |
| His 0 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 54994.9 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 807.5 | |
| All* | Total formula weight | 55802.5 |
