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Yeast RNA polymerase I elongation complex at 3.8A

Analyse Yeast RNA polymerase I elongation complex at 3.8A in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
5M3F
Type
protein + DNA + RNA
Length
4,208 residues
Chains
17
Method
electron microscopy
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
DNA-directed RNA polymerase I subunit RPA190; DNA-directed RNA polymerase I subunit…
EC
2.7.7.6
UniProt
P10964, P22138, P07703, P20434, P20435, P20436, P32529, P22139, P28000, P40422, Q01080, P47006, P50106, P46669
Ligands
ZN, MG, SO4
Pockets
20 · best druggability 0.84

Structure

electron microscopy · 17 distinct chains · 30% helix, 22% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ADNA-directed RNA polymerase I subunit RPA190 (EC 2.7.7.6)protein145941% helix, 13% strandP10964
BDNA-directed RNA polymerase I subunit RPA135 (EC 2.7.7.6)protein117725% helix, 24% strandP22138
CDNA-directed RNA polymerases I and III subunit RPAC1protein30529% helix, 31% strandP07703
EDNA-directed RNA polymerases I, II, and III subunit RPABC1protein21237% helix, 20% strandP20434
FDNA-directed RNA polymerases I, II, and III subunit RPABC2protein10051% helix, 13% strandP20435
HDNA-directed RNA polymerases I, II, and III subunit RPABC3protein1316% helix, 53% strandP20436
IDNA-directed RNA polymerase I subunit RPA12protein630% helix, 21% strandP32529
JDNA-directed RNA polymerases I, II, and III subunit RPABC5protein6942% helix, 1% strandP22139
KDNA-directed RNA polymerases I and III subunit RPAC2protein10140% helix, 23% strandP28000
LDNA-directed RNA polymerases I, II, and III subunit RPABC4protein440% helix, 30% strandP40422
TTemplate DNAdna25——
UNon-template DNAdna14——
RRNArna8——
MDNA-directed RNA polymerase I subunit RPA49protein1086% helix, 54% strandQ01080
NDNA-directed RNA polymerase I subunit RPA34protein1458% helix, 27% strandP47006
DDNA-directed RNA polymerase I subunit RPA14protein5454% helix, 11% strandP50106
GDNA-directed RNA polymerase I subunit RPA43protein1938% helix, 44% strandP46669

Ligands and binding sites

  • ZN · Zinc ion · metal · 6 copies · chains A, B, I, J, L
  • MG · Magnesium ion · metal · chains A, R
  • SO4 · Sulfate ion · ion · chains B

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
16460.840.8887empty
210000.830.8486empty
38840.820.8490empty
45450.820.8868empty
56370.810.8685empty

Interfaces

39 interfaces between chains.

  • A–B · 9277 Ų buried · 93 hydrogen bonds · protein-protein
  • A–E · 2685 Ų buried · 25 hydrogen bonds · protein-protein
  • M–N · 2476 Ų buried · 34 hydrogen bonds · protein-protein
  • A–F · 2136 Ų buried · 12 hydrogen bonds · protein-protein
  • C–K · 2122 Ų buried · 7 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 7 disulfide (disulfide).

Compared structures

  • 5M3F · Yeast RNA polymerase I elongation complex at 3.8A · the same entry in another collection · chain T against T, TM-score 1.00

Analyse

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