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MolNFT v1 · #134138 · protein + DNA

Mediator-RNA polymerase II pre-initiation complex

5SVA · DNA-directed RNA polymerase II subunit RPB1: “Mediator-RNA polymerase II pre-initiation complex”. Electron microscopy, 2 ligands (ZN, MG), 20 pockets (best druggability 0.89). MolNFT v1 #134138 on GenesisL1: 3D structure, binding…

PDB
5SVA
Type
protein + DNA
Length
8,646 residues
Chains
40
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, 3.6.4.12
UniProt
P04050, P08518, P16370, P20433, P20434, P20435, P34087, P20436, P27999, P22139, P38902, P40422, P38782, P38304, Q99278, P32569, P32585, P34162, P32570, Q12343, Q08278, P33308, P47822, P38633, P06839, Q00578, Q02939, Q3E7C1, P29055, P32773, P32774, P41895, P41896, P36100, P36145, P13393, P35189
Ligands
ZN, MG
Pockets
20 · best druggability 0.89

Structure

electron microscopy · 40 distinct chains · 39% helix, 20% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ADNA-directed RNA polymerase II subunit RPB1 (EC 2.7.7.6)protein142241% helix, 17% strandP04050
BDNA-directed RNA polymerase II subunit RPB2 (EC 2.7.7.6)protein115628% helix, 26% strandP08518
CDNA-directed RNA polymerase II subunit RPB3protein26626% helix, 29% strandP16370
DDNA-directed RNA polymerase II subunit RPB4protein17849% helix, 7% strandP20433
EDNA-directed RNA polymerases I, II, and III subunit RPABC1protein21441% helix, 24% strandP20434
FDNA-directed RNA polymerases I, II, and III subunit RPABC2protein8435% helix, 15% strandP20435
GDNA-directed RNA polymerase II subunit RPB7protein17113% helix, 50% strandP34087
HDNA-directed RNA polymerases I, II, and III subunit RPABC3protein1332% helix, 44% strandP20436
IDNA-directed RNA polymerase II subunit RPB9protein1194% helix, 30% strandP27999
JDNA-directed RNA polymerases I, II, and III subunit RPABC5protein6545% helix, 2% strandP22139
KDNA-directed RNA polymerase II subunit RPB11protein11440% helix, 24% strandP38902
LDNA-directed RNA polymerases I, II, and III subunit RPABC4protein460% helix, 13% strandP40422
MMediator of RNA polymerase II transcription subunit 6protein15637% helix, 22% strandP38782
NMediator of RNA polymerase II transcription subunit 8protein16864% helix, 0% strandP38304
OMediator of RNA polymerase II transcription subunit 11protein10385% helix, 0% strandQ99278
PMediator of RNA polymerase II transcription subunit 17protein48746% helix, 14% strandP32569
QMediator of RNA polymerase II transcription subunit 18protein25324% helix, 35% strandP32585
RMediator of RNA polymerase II transcription subunit 20protein20923% helix, 40% strandP34162
SMediator of RNA polymerase II transcription subunit 22protein10973% helix, 0% strandP32570
TMediator of RNA polymerase II transcription subunit 4protein9185% helix, 0% strandQ12343
UMediator of RNA polymerase II transcription subunit 7protein15672% helix, 0% strandQ08278
VMediator of RNA polymerase II transcription subunit 9protein8576% helix, 0% strandP33308
WMediator of RNA polymerase II transcription subunit 21protein11978% helix, 0% strandP47822
XMediator of RNA polymerase II transcription subunit 31protein9262% helix, 2% strandP38633
YDNA repair helicase RAD3 (EC 3.6.4.12)protein56254% helix, 14% strandP06839
ZDNA repair helicase RAD25 (EC 3.6.4.12)protein46936% helix, 19% strandQ00578
aRNA polymerase II transcription factor B subunit 2protein6244% helix, 31% strandQ02939
bRNA polymerase II transcription factor B subunit 5protein6348% helix, 30% strandQ3E7C1
cTranscription initiation factor iibprotein18933% helix, 10% strandP29055
dTranscription initiation factor iia large subunitprotein11641% helix, 32% strandP32773
eTranscription initiation factor iia subunit 2protein10140% helix, 38% strandP32774
fTranscription initiation factor iif subunit alphaprotein14917% helix, 40% strandP41895
gTranscription initiation factor iif subunit beta (EC 3.6.4.12)protein17229% helix, 31% strandP41896
hTranscription initiation factor iie subunit alphaprotein11845% helix, 21% strandP36100
iTranscription initiation factor iie subunit betaprotein12052% helix, 13% strandP36145
jTata-box-binding proteinprotein18027% helix, 41% strandP13393
kDNA-directed RNA polymerase II subunit RPB1 (EC 2.7.7.6)protein250% helix, 0% strandP04050
l108BP HIS4 promoter non-template strand (-92/+16)dna62——
m108BP HIS4 promoter template strand (+16/-92)dna62——
nTranscription initiation factor tfiid subunit 14protein2000% helix, 0% strandP35189

Ligands and binding sites

  • ZN · Zinc ion · metal · 8 copies · chains A, B, C, I, J, L
  • MG · Magnesium ion · metal · chains A

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
110460.890.90124empty
210500.860.87131empty
310740.840.8595empty
411970.840.84112empty
510920.830.85146empty

Interfaces

96 interfaces between chains.

  • A–B · 9806 Ų buried · 156 hydrogen bonds · protein-protein
  • d–e · 2836 Ų buried · 39 hydrogen bonds · protein-protein
  • A–c · 2661 Ų buried · 54 hydrogen bonds · protein-protein
  • l–m · 2651 Ų buried · 153 hydrogen bonds · nucleic-nucleic
  • D–G · 2454 Ų buried · 35 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 4 isopeptide, 1 disulfide (isopeptide, disulfide).

Compared structures

  • 5SVA · Mediator-RNA Polymerase II Pre-Initiation Complex · the same entry in another collection · chain F against F, TM-score 1.00

Analyse

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