MolNFT v1 · #108262 · protein + DNA + RNA
Architecture of the RNA polymerase II-mediator core transcription initiation complex
4V1M · DNA-directed RNA polymerase II subunit RPB1: “Architecture of the RNA polymerase II-mediator core transcription initiation complex”. Electron microscopy, 2 ligands (ZN, MG), 20 pockets (best druggability 0.89). MolNFT v1 #108262 on…
- PDB
- 4V1M
- Type
- protein + DNA + RNA
- Length
- 3,655 residues
- Chains
- 13
- Method
- electron microscopy
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- DNA-directed RNA polymerase II subunit RPB1; DNA-directed RNA polymerase II subunit RPB2…
- EC
- 2.7.7.6
- UniProt
- P04050, P08518, P16370, P20434, P20435, P20436, P27999, P22139, P38902, P40422
- Ligands
- ZN, MG
- Pockets
- 20 · best druggability 0.89
Structure
electron microscopy · 13 distinct chains · 33% helix, 22% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | DNA-directed RNA polymerase II subunit RPB1 (EC 2.7.7.6) | protein | 1422 | 41% helix, 16% strand | P04050 |
| B | DNA-directed RNA polymerase II subunit RPB2 (EC 2.7.7.6) | protein | 1156 | 28% helix, 25% strand | P08518 |
| C | DNA-directed RNA polymerase II subunit RPB3 | protein | 266 | 26% helix, 29% strand | P16370 |
| E | DNA-directed RNA polymerases I, II, and III subunit rpabc 1 | protein | 214 | 41% helix, 24% strand | P20434 |
| F | DNA-directed RNA polymerases I, II, and III subunit rpabc 2 | protein | 84 | 35% helix, 15% strand | P20435 |
| H | DNA-directed RNA polymerases I, II, and III subunit rpabc 3 | protein | 133 | 2% helix, 43% strand | P20436 |
| I | DNA-directed RNA polymerase II subunit RPB9 | protein | 119 | 4% helix, 30% strand | P27999 |
| J | DNA-directed RNA polymerases I, II, and III subunit rpabc 5 | protein | 65 | 45% helix, 2% strand | P22139 |
| K | DNA-directed RNA polymerase II subunit RPB11 | protein | 114 | 40% helix, 24% strand | P38902 |
| L | DNA-directed RNA polymerases I, II, and III subunit rpabc 4 (EC 2.7.7.6) | protein | 46 | 0% helix, 13% strand | P40422 |
| N | 5'-D(*AP*AP*GP*TP*AP*CP*TP*TP*GP*AP)-3' | dna | 10 | — | — |
| P | 5'-D(*CP*CP*AP*GP*GP*AP)-3' | rna | 6 | — | — |
| T | 5'-D(*TP*CP*AP*AP*GP*TP*AP*CP*TP*TP*TP*TP*TP*CP *CP*BRUP*GP*GP*TP*C)-3' | dna | 20 | — | — |
Ligands and binding sites
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
20 pockets found on a 1 Å grid, 20 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 905 | 0.89 | 0.91 | 109 | empty |
| 2 | 956 | 0.87 | 0.89 | 93 | empty |
| 3 | 938 | 0.84 | 0.86 | 72 | empty |
| 4 | 1127 | 0.83 | 0.84 | 117 | empty |
| 5 | 792 | 0.82 | 0.85 | 86 | empty |
Interfaces
30 interfaces between chains.
- A–B · 9717 Ų buried · 157 hydrogen bonds · protein-protein
- A–E · 2201 Ų buried · 30 hydrogen bonds · protein-protein
- C–K · 2186 Ų buried · 16 hydrogen bonds · protein-protein
- A–F · 2049 Ų buried · 20 hydrogen bonds · protein-protein
- B–C · 1873 Ų buried · 31 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 1 modified (nucleotide modification).
Compared structures
- 4V1M · Architecture of the RNA polymerase II-Mediator core transcription initiation complex · the same entry in another collection · chain H against H, 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 P04050
- Every structure of UniProt P08518
- Every structure of UniProt P16370
- Every structure of UniProt P20434
- Every structure of UniProt P20435
- Every structure of UniProt P20436
- Every structure of UniProt P27999
- Every structure of UniProt P22139
- Every structure of UniProt P38902
- Every structure of UniProt P40422
- Elsewhere: RCSB PDB 4V1M · PDBe 4V1M · UniProt P04050 · UniProt P08518 · UniProt P16370 · UniProt P20434 · UniProt P20435 · UniProt P20436 · UniProt P27999 · UniProt P22139 · UniProt P38902 · UniProt P40422
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