Research workbench
RNA polymerase II initiation complex with a 5-nt 3'-deoxy RNA soaked with GTP
Analyse RNA polymerase II initiation complex with a 5-nt 3'-deoxy RNA soaked with GTP in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 3S1R
- Type
- protein + DNA + RNA
- Length
- 3,574 residues
- Chains
- 12
- Method
- x-ray diffraction
- 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
- GTP, ZN, MG
- Pockets
- 20 · best druggability 0.89
Structure
x-ray diffraction · 12 distinct chains · 31% helix, 21% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | DNA-directed RNA polymerase II subunit RPB1 (EC 2.7.7.6) | protein | 1405 | 39% helix, 15% strand | P04050 |
| B | DNA-directed RNA polymerase II subunit RPB2 (EC 2.7.7.6) | protein | 1114 | 27% helix, 25% strand | P08518 |
| C | DNA-directed RNA polymerase II subunit RPB3 | protein | 266 | 26% helix, 26% strand | P16370 |
| E | DNA-directed RNA polymerases I, II, and III subunit RPABC1 | protein | 214 | 39% helix, 24% strand | P20434 |
| F | DNA-directed RNA polymerases I, II, and III subunit RPABC2 | protein | 85 | 29% helix, 14% strand | P20435 |
| H | DNA-directed RNA polymerases I, II, and III subunit RPABC3 | protein | 133 | 0% helix, 45% strand | P20436 |
| I | DNA-directed RNA polymerase II subunit RPB9 | protein | 119 | 4% helix, 28% strand | P27999 |
| J | DNA-directed RNA polymerases I, II, and III subunit RPABC5 | protein | 65 | 45% helix, 2% strand | P22139 |
| K | DNA-directed RNA polymerase II subunit RPB11 | protein | 114 | 39% helix, 24% strand | P38902 |
| L | DNA-directed RNA polymerases I, II, and III subunit RPABC4 | protein | 46 | 7% helix, 17% strand | P40422 |
| R | RNA (5'-R(*AP*GP*AP*GP*G*)-3') | rna | 5 | — | — |
| T | DNA (5'- D(*CP*TP*AP*CP*CP*GP*AP*TP*AP*AP*GP*CP*AP*GP*AP*CP*GP*AP*TP*CP*CP*TP* CP*TP*CP*GP*AP*TP*G)-3') | dna | 8 | — | — |
Ligands and binding sites
- GTP · Guanosine-5'-triphosphate · ligand · chains A, B, R
- ZN · Zinc ion · metal · 8 copies · chains A, B, C, I, J, L
- MG · Magnesium ion · metal · chains A, R
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 | 1008 | 0.89 | 0.90 | 120 | empty |
| 2 | 1063 | 0.85 | 0.86 | 105 | empty |
| 3 | 1078 | 0.84 | 0.86 | 116 | GTP |
| 4 | 957 | 0.82 | 0.83 | 127 | empty |
| 5 | 606 | 0.81 | 0.86 | 65 | empty |
Interfaces
25 interfaces between chains.
- A–B · 9490 Ų buried · 144 hydrogen bonds · protein-protein
- A–E · 2334 Ų buried · 27 hydrogen bonds · protein-protein
- C–K · 2158 Ų buried · 16 hydrogen bonds · protein-protein
- B–C · 1861 Ų buried · 33 hydrogen bonds · protein-protein
- A–F · 1858 Ų buried · 16 hydrogen bonds · protein-protein
Compared structures
- 3S1R · RNA Polymerase II Initiation Complex with a 5-nt 3'-deoxy RNA soaked with GTP · the same entry in another collection · chain T against T, 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 3S1R · PDBe 3S1R · UniProt P04050 · UniProt P08518 · UniProt P16370 · UniProt P20434 · UniProt P20435 · UniProt P20436 · UniProt P27999 · UniProt P22139 · UniProt P38902 · UniProt P40422
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