7RVA
Updated Crystal Structure of Replication Initiator Protein REPE54.
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 (5'-D(*CP*CP*TP*GP*TP*GP*AP*CP*AP*AP*AP*TP*TP*GP*CP*CP*CP*TP*CP*AP*GP*T)-3') | polymer | 22 | 6687.3 | 1 | Escherichia coli | ||
| 2 | B (B) | DNA (5'-D(*CP*TP*GP*AP*GP*GP*GP*CP*AP*AP*TP*TP*TP*GP*TP*CP*AP*CP*AP*GP*GP*T)-3') | polymer | 22 | 6807.4 | 1 | Escherichia coli | ||
| 3 | C (C) | Replication initiation protein | polymer | 263 | 30749.1 | 1 | UniProt (P03856) Pfam (PF01051) Pfam (PF21205) | Escherichia coli (strain K12) | Protein E,Protein rep,Protein F4 |
| 4 | D (D) | UNK-UNK-UNK | polymer | 3 | 273.3 | 1 | Escherichia coli (strain K12) | ||
| 5 | E (E) | UNK-UNK-UNK-UNK | polymer | 4 | 358.4 | 1 | Escherichia coli (strain K12) | ||
| 6 | F (A) | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 7 | G, H (C) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 8 | I, J, K (A, B, C) | water | water | 18.0 | 201 | Chemie (HOH) |
Sequence modifications
C: 1 - 251 (UniProt: P03856)
| PDB | External Database | Details |
|---|---|---|
| Met -11 | - | initiating methionine |
| Arg -10 | - | expression tag |
| Gly -9 | - | expression tag |
| Ser -8 | - | expression tag |
| His -7 | - | expression tag |
| His -6 | - | expression tag |
| His -5 | - | expression tag |
| His -4 | - | expression tag |
| His -3 | - | expression tag |
| His -2 | - | expression tag |
| Gly -1 | - | expression tag |
| Ser 0 | - | expression tag |
| Pro 118 | Arg 118 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 5 |
| Total formula weight | 44875.5 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 71.6 | |
| All* | Total formula weight | 44947.1 |






