MolNFT v1 · #186365 · protein + DNA
Human DNA polymerase beta crosslinked complex, 20 min ca to mg exchange
7RBN: “Human DNA polymerase beta crosslinked complex, 20 min ca to mg exchange”. X-ray diffraction, 2 ligands (QPJ, MG), 3 pockets (best druggability 0.73). MolNFT v1 #186365 on GenesisL1: 3D structure, binding sites and pockets in GL1X.
- PDB
- 7RBN
- Type
- protein + DNA
- Length
- 356 residues
- Chains
- 4
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- DNA polymerase beta; DNA (5'-D(*GP*TP*CP*GP*G)-3'); DNA…
- EC
- 2.7.7.7, 4.2.99.-
- UniProt
- P06746
- Ligands
- QPJ, MG
- Pockets
- 3 · best druggability 0.73
Structure
x-ray diffraction · 4 distinct chains · 51% helix, 12% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | DNA polymerase beta (EC 2.7.7.7, 4.2.99.-) | protein | 324 | 51% helix, 12% strand | P06746 |
| D | DNA (5'-D(*GP*TP*CP*GP*G)-3') | dna | 5 | — | — |
| P | DNA (5'-D(*GP*CP*TP*GP*AP*TP*GP*CP*GP*C)-3') | dna | 11 | — | — |
| T | DNA (5'-D(*CP*CP*GP*AP*CP*GP*GP*CP*GP*CP*AP*TP*CP*AP*GP*C)- 3') | dna | 16 | — | — |
Ligands and binding sites
- QPJ · 2-deoxy-3,5-di-O-phosphono-D-erythro-pentitol · ligand · chains A, D
- MG · Magnesium ion · metal · chains A, D
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
3 pockets found on a 1 Å grid, 3 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 233 | 0.73 | 0.88 | 29 | empty |
| 2 | 1045 | 0.71 | 0.75 | 74 | empty |
| 3 | 199 | 0.59 | 0.82 | 26 | empty |
Interfaces
5 interfaces between chains.
- P–T · 482 Ų buried · 40 hydrogen bonds · nucleic-nucleic
- A–P · 466 Ų buried · 11 hydrogen bonds · protein-nucleic
- A–T · 416 Ų buried · 13 hydrogen bonds · protein-nucleic
- A–D · 313 Ų buried · 4 hydrogen bonds · protein-nucleic
- D–T · 226 Ų buried · 19 hydrogen bonds · nucleic-nucleic
Modifications
Observed in the structure: 2 covalent (covalent ligand).
Compared structures
- 7RBN · Human DNA polymerase beta crosslinked complex, 20 min Ca to Mg exchange · the same entry in another collection · chain A against A, TM-score 1.00
- P06746 · AlphaFold monomer V2.0 prediction for DNA polymerase beta (P06746) · a predicted model of the same protein · chain A against A, TM-score 0.94
Analyse
- Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
- Every structure of UniProt P06746
- Elsewhere: RCSB PDB 7RBN · PDBe 7RBN · UniProt P06746
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