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Chromodomain Of HP1 Complexed With Histone H3 Tail Containing monomethyllysine 9.

X-ray diffraction
1.64Å resolution
PDB entry 1q3l coloured by chain, front view.
PDB entry 1q3l coloured by chain, side view.
PDB entry 1q3l coloured by chain, top view.
Source organisms:
Assembly composition:
hetero dimer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Histone H3.1 and Heterochromatin protein 1
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Multimeric state: hetero dimer
Accessible surface area: 4110.82 Å2
Buried surface area: 1032.53 Å2
Dissociation area: 516.26 Å2
Dissociation energy (ΔGdiss): 2.22 kcal/mol
Dissociation entropy (TΔSdiss): 6.31 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-138596

Macromolecules

Heterochromatin protein 1
Chain: A
Length: 69 amino acids
Theoretical weight: 8.59 KDa
Source organism: Drosophila melanogaster
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P05205 (Residues: 17-76; Coverage: 29%)
Gene names: CG8409, HP1, HP1a, Su(var)2-5, Su(var)205
Pfam: Chromo (CHRromatin Organisation MOdifier) domain
InterPro:
CATH: OB fold (Dihydrolipoamide Acetyltransferase, E2P)
SCOP: Chromo domain
Heterochromatin protein 1 in PDB entry 1q3l, assembly 1, front view.
Heterochromatin protein 1 in PDB entry 1q3l, assembly 1, side view.
Heterochromatin protein 1 in PDB entry 1q3l, assembly 1, top view.
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Histone H3.1
Chain: P
Length: 16 amino acids
Theoretical weight: 1.74 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P68431 (Residues: 2-17; Coverage: 12%)
Gene names: H3C1, H3C10, H3C11, H3C12, H3C2, H3C3, H3C4, H3C6, H3C7, H3C8, H3FA, H3FB, H3FC HIST1H3C, H3FD, H3FF, H3FH, H3FI, H3FJ, H3FK, H3FL, HIST1H3A, HIST1H3B, HIST1H3D, HIST1H3E, HIST1H3F, HIST1H3G, HIST1H3H, HIST1H3I, HIST1H3J
Histone H3.1 in PDB entry 1q3l, assembly 1, front view.
Histone H3.1 in PDB entry 1q3l, assembly 1, side view.
Histone H3.1 in PDB entry 1q3l, assembly 1, top view.
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