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Yeast RNA polymerase I elongation complex stalled by cyclobutane pyrimidine dimer (CPD) with fully-ordered A49

Analyse Yeast RNA polymerase I elongation complex stalled by cyclobutane pyrimidine… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
6H68
Type
protein + DNA + RNA
Length
4,564 residues
Chains
17
Method
electron microscopy
Collection
MolNFT v2 / PDB Bank
Contract
0xd58B01f6C18086e5202cdC5D7Ad3E41790360102
Owner
0xF4e1AA6f26B7DA48EeAD9B24a97927303eeA07b8
Resolution
4.6
Source
Saccharomyces cerevisiae (strain ATCC 204508 / S288c); SYNTHETIC CONSTRUCT
Molecule
DNA-directed RNA polymerase I subunit RPA190; DNA-directed RNA polymerase I subunit…
EC
2.7.7.6
UniProt
P10964, P22138, P07703, P50106, P20434, P20435, P46669, P20436, P32529, P22139, P28000, P40422, Q01080, P47006
Ligands
ZN
Pockets
20 · best druggability 0.85

Structure

electron microscopy · resolution 4.6 · 17 distinct chains · 32% helix, 20% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ADNA-directed RNA polymerase I subunit RPA190 (EC 2.7.7.6)protein147342% helix, 13% strandP10964
BDNA-directed RNA polymerase I subunit RPA135 (EC 2.7.7.6)protein117526% helix, 25% strandP22138
CDNA-directed RNA polymerases I and III subunit RPAC1protein30625% helix, 31% strandP07703
DDNA-directed RNA polymerase I subunit RPA14protein5956% helix, 7% strandP50106
EDNA-directed RNA polymerases I, II, and III subunit RPABC1protein21538% helix, 19% strandP20434
FDNA-directed RNA polymerases I, II, and III subunit RPABC2protein10040% helix, 11% strandP20435
GDNA-directed RNA polymerase I subunit RPA43protein20115% helix, 36% strandP46669
HDNA-directed RNA polymerases I, II, and III subunit RPABC3protein1325% helix, 51% strandP20436
IDNA-directed RNA polymerase I subunit RPA12protein658% helix, 12% strandP32529
JDNA-directed RNA polymerases I, II, and III subunit RPABC5protein6942% helix, 1% strandP22139
KDNA-directed RNA polymerases I and III subunit RPAC2protein10338% helix, 24% strandP28000
LDNA-directed RNA polymerases I, II, and III subunit RPABC4protein450% helix, 24% strandP40422
MDNA-directed RNA polymerase I subunit RPA49protein39637% helix, 14% strandQ01080
NDNA-directed RNA polymerase I subunit RPA34protein1583% helix, 21% strandP47006
RRNArna10——
TTemplate DNAdna33——
UNon-template DNAdna24——

Ligands and binding sites

  • ZN · Zinc ion · metal · 6 copies · chains A, B, I, J, L

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.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
110170.850.8673empty
210010.830.84130empty
310150.820.8494empty
411720.820.83109empty
55490.810.8775empty

Interfaces

45 interfaces between chains.

  • A–B · 9192 Ų buried · 103 hydrogen bonds · protein-protein
  • A–E · 2618 Ų buried · 30 hydrogen bonds · protein-protein
  • M–N · 2606 Ų buried · 31 hydrogen bonds · protein-protein
  • A–F · 2178 Ų buried · 20 hydrogen bonds · protein-protein
  • C–K · 2092 Ų buried · 5 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 1 modified (nucleotide modification).

Compared structures

  • 6H68 · Yeast RNA polymerase I elongation complex stalled by cyclobutane pyrimidine dimer (cpd)… · the same entry in another collection · chain K against K, TM-score 1.00

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