Structure analysis

RNA polymerase II pre-initiation complex with the distal +1 nucleosome (PIC-Nuc18W)

Electron Microscopy
4Å resolution
Assembly composition:
hetero 42-mer (preferred)
Entry contents: 36 distinct polypeptide molecules
2 distinct DNA molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero 42-mer
Accessible surface area: 445524.59 Å2
Buried surface area: 211169.67 Å2
Dissociation area: 597.48 Å2
Dissociation energy (ΔGdiss): -6.31 kcal/mol
Dissociation entropy (TΔSdiss): 14.18 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-236732

Macromolecules

Chain: 0
Length: 772 amino acids
Theoretical weight: 88.09 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P19447 (Residues: 1-772; Coverage: 99%)
Gene names: ERCC3, XPB, XPBC
Pfam:

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Chain: 1
Length: 760 amino acids
Theoretical weight: 87.02 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P18074 (Residues: 1-760; Coverage: 100%)
Gene names: ERCC2, XPD, XPDC
Pfam:

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Chain: 2
Length: 548 amino acids
Theoretical weight: 62.12 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P32780 (Residues: 1-548; Coverage: 100%)
Gene names: BTF2, GTF2H1
Pfam:

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Chain: 3
Length: 462 amino acids
Theoretical weight: 52.25 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: Q92759 (Residues: 1-462; Coverage: 100%)
Gene name: GTF2H4
Pfam:

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Chain: 4
Length: 395 amino acids
Theoretical weight: 44.48 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: Q13888 (Residues: 1-395; Coverage: 100%)
Gene names: BTF2P44, GTF2H2
Pfam:

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Chain: 5
Length: 308 amino acids
Theoretical weight: 34.42 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: Q13889 (Residues: 1-308; Coverage: 100%)
Gene name: GTF2H3
Pfam: Transcription factor Tfb4

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Chain: 6
Length: 71 amino acids
Theoretical weight: 8.06 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: Q6ZYL4 (Residues: 1-71; Coverage: 100%)
Gene names: C6orf175, GTF2H5, TTDA
Pfam: Transcription factor TFIIH complex subunit Tfb5

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Chain: 7
Length: 309 amino acids
Theoretical weight: 35.87 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P51948 (Residues: 1-309; Coverage: 100%)
Gene names: CAP35, MAT1, MNAT1, RNF66
Pfam:

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Chain: 8
Length: 346 amino acids
Theoretical weight: 39.09 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P50613 (Residues: 1-346; Coverage: 100%)
Gene names: CAK, CAK1, CDK7, CDKN7, MO15, STK1
Pfam: Protein kinase domain

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Chain: 9
Length: 323 amino acids
Theoretical weight: 37.7 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P51946 (Residues: 1-323; Coverage: 100%)
Gene name: CCNH
Pfam:

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Chain: B
Length: 1174 amino acids
Theoretical weight: 134.04 KDa
Source organism: Sus scrofa
UniProt:
  • Canonical: I3LGP4 (Residues: 127-1300; Coverage: 90%)
Gene name: POLR2B
Pfam:

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Chain: C
Length: 275 amino acids
Theoretical weight: 31.44 KDa
Source organism: Sus scrofa
UniProt:
  • Canonical: I3LCH3 (Residues: 1-275; Coverage: 100%)
Gene name: POLR2C
Pfam:

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Chain: D
Length: 142 amino acids
Theoretical weight: 16.33 KDa
Source organism: Sus scrofa
UniProt:
  • Canonical: A0A287ADR4 (Residues: 43-184; Coverage: 77%)
Gene name: POLR2D
Pfam: RNA polymerase Rpb4

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Chain: E
Length: 210 amino acids
Theoretical weight: 24.64 KDa
Source organism: Sus scrofa
UniProt:
  • Canonical: I3LSI7 (Residues: 1-210; Coverage: 100%)
Gene name: POLR2E
Pfam:

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Chain: F
Length: 127 amino acids
Theoretical weight: 14.48 KDa
Source organism: Sus scrofa
UniProt:
  • Canonical: A0A4X1VEK9 (Residues: 1-127; Coverage: 100%)
Gene name: POLR2F
Pfam: RNA polymerase Rpb6

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Chain: G
Length: 172 amino acids
Theoretical weight: 19.31 KDa
Source organism: Sus scrofa
UniProt:
  • Canonical: A0A4X1VKG7 (Residues: 1-172; Coverage: 100%)
Gene name: POLR2G
Pfam:

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Chain: H
Length: 150 amino acids
Theoretical weight: 17.16 KDa
Source organism: Sus scrofa
UniProt:
  • Canonical: I3LCB2 (Residues: 1-150; Coverage: 100%)
Gene name: POLR2H
Pfam: RNA polymerase Rpb8

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Chain: I
Length: 125 amino acids
Theoretical weight: 14.54 KDa
Source organism: Sus scrofa
UniProt:
  • Canonical: P60899 (Residues: 1-125; Coverage: 100%)
Gene name: POLR2I
Pfam:

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Chain: J
Length: 67 amino acids
Theoretical weight: 7.66 KDa
Source organism: Sus scrofa
UniProt:
  • Canonical: A0A4X1VYD0 (Residues: 1-67; Coverage: 100%)
Gene name: POLR2L
Pfam: RNA polymerases N / 8 kDa subunit

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Chain: K
Length: 117 amino acids
Theoretical weight: 13.31 KDa
Source organism: Sus scrofa
UniProt:
  • Canonical: F1RKE4 (Residues: 1-117; Coverage: 100%)
Gene name: POLR2J
Pfam: RNA polymerase Rpb3/Rpb11 dimerisation domain

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Chain: L
Length: 58 amino acids
Theoretical weight: 7.02 KDa
Source organism: Sus scrofa
UniProt:
  • Canonical: A0A4X1TRS6 (Residues: 1-58; Coverage: 100%)
Gene name: POLR2K
Pfam: DNA directed RNA polymerase, 7 kDa subunit

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Chain: M
Length: 316 amino acids
Theoretical weight: 34.88 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q00403 (Residues: 1-316; Coverage: 100%)
Gene names: GTF2B, TF2B, TFIIB
Pfam:

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Chain: O
Length: 339 amino acids
Theoretical weight: 37.73 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P20226 (Residues: 1-339; Coverage: 100%)
Gene names: GTF2D1, TBP, TF2D, TFIID
Pfam: Transcription factor TFIID (or TATA-binding protein, TBP)

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Chain: Q
Length: 517 amino acids
Theoretical weight: 58.34 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P35269 (Residues: 1-517; Coverage: 100%)
Gene names: GTF2F1, RAP74
Pfam: Transcription initiation factor IIF, alpha subunit (TFIIF-alpha)

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Chain: R
Length: 249 amino acids
Theoretical weight: 28.43 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P13984 (Residues: 1-249; Coverage: 100%)
Gene names: GTF2F2, RAP30
Pfam:

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Chain: U
Length: 376 amino acids
Theoretical weight: 41.54 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P52655 (Residues: 1-376; Coverage: 100%)
Gene names: GTF2A1, TF2A1
Pfam: Transcription factor IIA, alpha/beta subunit

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Chain: V
Length: 109 amino acids
Theoretical weight: 12.47 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P52657 (Residues: 1-109; Coverage: 100%)
Gene names: GTF2A2, TF2A2
Pfam:

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Chain: W
Length: 439 amino acids
Theoretical weight: 49.52 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P29083 (Residues: 1-439; Coverage: 100%)
Gene names: GTF2E1, TF2E1
Pfam:

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Chain: X
Length: 291 amino acids
Theoretical weight: 33.11 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P29084 (Residues: 1-291; Coverage: 100%)
Gene names: GTF2E2, TF2E2
Pfam:

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Chain: Y
Length: 8 amino acids
Theoretical weight: 699 Da
Source organism: Homo sapiens
Expression system: Escherichia coli

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Chain: Z
Length: 19 amino acids
Theoretical weight: 1.64 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli

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Chains: a, e
Length: 136 amino acids
Theoretical weight: 15.44 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli
UniProt:
  • Canonical: P84233 (Residues: 1-136; Coverage: 100%)
Pfam: Core histone H2A/H2B/H3/H4

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Chains: b, f
Length: 103 amino acids
Theoretical weight: 11.39 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli
UniProt:
  • Canonical: P62799 (Residues: 1-103; Coverage: 100%)
Pfam: Centromere kinetochore component CENP-T histone fold

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Chains: c, g
Length: 130 amino acids
Theoretical weight: 14.09 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli
UniProt:
  • Canonical: P06897 (Residues: 1-130; Coverage: 100%)
Pfam:

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Chains: d, h
Length: 126 amino acids
Theoretical weight: 13.97 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli
UniProt:
  • Canonical: P02281 (Residues: 1-126; Coverage: 100%)
Pfam: Core histone H2A/H2B/H3/H4

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Name: Non-template DNA
Representative chains: N
Length: 218 nucleotides
Theoretical weight: 67.22 KDa

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Name: Template DNA
Representative chains: T
Length: 218 nucleotides
Theoretical weight: 67.41 KDa

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