MolNFT v1 · #106052 · protein + DNA
Crystal structure of human polymerase eta inserting dampnpp opposite DNA template containing an abasic site
4RNM · DNA polymerase eta: “Crystal structure of human polymerase eta inserting dampnpp opposite DNA template containing an abasic site”. X-ray diffraction, 2 ligands (DZ4, MG), 4 pockets (best druggability 0.81). MolNFT v1 #106052 on…
- PDB
- 4RNM
- 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 template: CAT(3DR)ATGACGCT; DNA primar: agcgtcat
- EC
- 2.7.7.7
- UniProt
- Q9Y253
- Ligands
- DZ4, MG
- Pockets
- 4 · best druggability 0.81
Structure
x-ray diffraction · 3 distinct chains · 44% helix, 22% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | DNA polymerase eta (EC 2.7.7.7) | protein | 430 | 44% helix, 22% strand | Q9Y253 |
| T | DNA template: CAT(3DR)ATGACGCT | dna | 11 | — | — |
| P | DNA primar: agcgtcat | dna | 8 | — | — |
Ligands and binding sites
- DZ4 · 2'-deoxy-5'-O-[(R)-hydroxy{[(r)-hydroxy(phosphonooxy) phosphoryl]amino}phosphoryl]adenosine · ligand · chains A, T, P
- MG · Magnesium ion · metal · 2 copies · chains A, P
- GOL · Glycerol · additive · 2 copies · chains A
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
4 pockets found on a 1 Å grid, 3 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 884 | 0.81 | 0.83 | 64 | DZ4, GOL |
| 2 | 508 | 0.73 | 0.82 | 59 | empty |
| 3 | 203 | 0.66 | 0.85 | 20 | empty |
| 4 | 94 | 0.39 | 0.76 | 17 | empty |
Interfaces
3 interfaces between chains.
- A–T · 1048 Ų buried · 17 hydrogen bonds · protein-nucleic
- A–P · 607 Ų buried · 14 hydrogen bonds · protein-nucleic
- T–P · 372 Ų buried · 34 hydrogen bonds · nucleic-nucleic
Modifications
Observed in the structure: 1 modified (nucleotide modification).
Compared structures
- 4RNM · Crystal structure of human polymerase eta inserting dAMPnPP opposite DNA template… · 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 4RNM · PDBe 4RNM · UniProt Q9Y253
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