MolNFT v1 · #101831 · protein + DNA
Crystal structure of human DNA polymerase eta in ternary complex with native DNA and incoming nucleotide (dcp)
4O3N: “Crystal structure of human DNA polymerase eta in ternary complex with native DNA and incoming nucleotide (dcp)”. X-ray diffraction, 2 ligands (0KX, MG), 5 pockets (best druggability 0.79). MolNFT v1 #101831 on GenesisL1: 3D…
- PDB
- 4O3N
- Type
- protein + DNA
- Length
- 449 residues
- Chains
- 3
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- DNA polymerase eta; DNA (5'-D(*CP*AP*TP*GP*AP*TP*GP*AP*CP*GP*CP*T)-3'); DNA…
- EC
- 2.7.7.7
- UniProt
- Q9Y253
- Ligands
- 0KX, MG
- Pockets
- 5 · best druggability 0.79
Structure
x-ray diffraction · 3 distinct chains · 43% helix, 22% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | DNA polymerase eta (EC 2.7.7.7) | protein | 430 | 43% helix, 22% strand | Q9Y253 |
| T | DNA (5'-D(*CP*AP*TP*GP*AP*TP*GP*AP*CP*GP*CP*T)-3') | dna | 11 | — | — |
| P | DNA (5'-D(*AP*GP*CP*GP*TP*CP*AP*T)-3') | dna | 8 | — | — |
Ligands and binding sites
- 0KX · 2'-deoxy-5'-O-[(R)-hydroxy{[(r)-hydroxy(phosphonooxy) phosphoryl]amino}phosphoryl]cytidine · ligand · chains A, T, P
- MG · Magnesium ion · metal · 2 copies · chains A, P
- GOL · Glycerol · additive · chains A
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
5 pockets found on a 1 Å grid, 3 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 951 | 0.79 | 0.81 | 65 | 0KX, MG |
| 2 | 547 | 0.73 | 0.81 | 48 | empty |
| 3 | 218 | 0.64 | 0.83 | 23 | empty |
| 4 | 94 | 0.46 | 0.80 | 19 | empty |
| 5 | 86 | 0.39 | 0.77 | 15 | empty |
Interfaces
3 interfaces between chains.
- A–T · 1059 Ų buried · 21 hydrogen bonds · protein-nucleic
- A–P · 610 Ų buried · 16 hydrogen bonds · protein-nucleic
- T–P · 376 Ų buried · 28 hydrogen bonds · nucleic-nucleic
Compared structures
- 4O3N · Crystal structure of human dna polymerase eta in ternary complex with native dna and… · the same entry in another collection · chain A against A, TM-score 1.00
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 Q9Y253
- Elsewhere: RCSB PDB 4O3N · PDBe 4O3N · UniProt Q9Y253
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