Research workbench
DNA polymerase lambda, TTP:AT MG2+ reaction state ternary complex, 120 sec
Analyse DNA polymerase lambda, TTP:AT MG2+ reaction state ternary complex, 120 sec in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 7M45
- Type
- protein + DNA
- Length
- 342 residues
- Chains
- 4
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- DNA polymerase lambda; DNA (5'-D(*CP*GP*GP*CP*AP*GP*TP*AP*CP*TP*G)-3'); DNA…
- EC
- 2.7.7.7, 4.2.99.-
- UniProt
- Q9UGP5
- Ligands
- PPV, TTP, SRT, NA, MG
- Pockets
- 5 · best druggability 0.68
Structure
x-ray diffraction · 4 distinct chains · 50% helix, 15% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | DNA polymerase lambda (EC 2.7.7.7, 4.2.99.-) | protein | 320 | 50% helix, 15% strand | Q9UGP5 |
| T | DNA (5'-D(*CP*GP*GP*CP*AP*GP*TP*AP*CP*TP*G)-3') | dna | 11 | — | — |
| P | DNA (5'-D(*CP*AP*GP*TP*AP*CP*T)-3') | dna | 7 | — | — |
| D | DNA (5'-D(P*GP*CP*CP*G)-3') | dna | 4 | — | — |
Ligands and binding sites
- PPV · Pyrophosphate · ligand · chains A, P
- TTP · Thymidine-5'-triphosphate · ligand · chains A, T, P
- SRT · S,R meso-tartaric acid · ligand · chains A
- NA · Sodium ion · metal · 4 copies · chains A, P, D
- MG · Magnesium ion · metal · chains A, P
- EDO · 1,2-ethanediol · 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, 4 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 891 | 0.68 | 0.74 | 51 | PPV |
| 2 | 72 | 0.62 | 0.91 | 24 | empty |
| 3 | 173 | 0.54 | 0.80 | 26 | empty |
| 4 | 277 | 0.50 | 0.74 | 27 | empty |
| 5 | 54 | 0.27 | 0.74 | 19 | empty |
Interfaces
5 interfaces between chains.
- A–T · 808 Ų buried · 14 hydrogen bonds · protein-nucleic
- A–P · 547 Ų buried · 21 hydrogen bonds · protein-nucleic
- A–D · 377 Ų buried · 10 hydrogen bonds · protein-nucleic
- T–P · 317 Ų buried · 25 hydrogen bonds · nucleic-nucleic
- T–D · 191 Ų buried · 18 hydrogen bonds · nucleic-nucleic
Modifications
Observed in the structure: 1 covalent (covalent ligand).
Compared structures
- 7M45 · DNA Polymerase Lambda, TTP:At Mg2+ Reaction State Ternary Complex, 120 sec · the same entry in another collection · chain A against A, TM-score 1.00
- Q9UGP5 · AlphaFold monomer V2.0 prediction for DNA polymerase lambda (Q9UGP5) · a predicted model of the same protein · chain A against A, TM-score 0.99
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 Q9UGP5
- Elsewhere: RCSB PDB 7M45 · PDBe 7M45 · UniProt Q9UGP5
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