6jma

Electron Microscopy
6.8Å resolution

cryo-EM structure of DOT1L bound to H2B ubiquitinated nucleosome

Released:

Function and Biology Details

Reaction catalysed:
(1a) S-adenosyl-L-methionine + a [histone H3]-L-lysine(79) = S-adenosyl-L-homocysteine + a [histone H3]-N(6)-methyl-L-lysine(79)
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero dodecamer (preferred)
PDBe Complex ID:
PDB-CPX-510578 (preferred)
Entry contents:
6 distinct polypeptide molecules
1 distinct DNA molecule
Macromolecules (7 distinct):
Histone H3.2 Chains: A, E
Molecule details ›
Chains: A, E
Length: 98 amino acids
Theoretical weight: 11.49 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P84233 (Residues: 39-136; Coverage: 72%)
Sequence domains: Core histone H2A/H2B/H3/H4
Histone H4 Chains: B, F
Molecule details ›
Chains: B, F
Length: 87 amino acids
Theoretical weight: 9.99 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P62799 (Residues: 17-103; Coverage: 85%)
Sequence domains: Centromere kinetochore component CENP-T histone fold
Histone H2A Chains: C, G
Molecule details ›
Chains: C, G
Length: 116 amino acids
Theoretical weight: 12.66 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q6AZJ8 (Residues: 15-130; Coverage: 89%)
Gene names: LOC494591, h2ac14.L, hist1h2aj, hist1h2aj.L
Sequence domains:
Histone H2B 1.1 Chains: D, H
Molecule details ›
Chains: D, H
Length: 94 amino acids
Theoretical weight: 10.48 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P02281 (Residues: 34-126; Coverage: 74%)
Sequence domains: Core histone H2A/H2B/H3/H4
Histone-lysine N-methyltransferase, H3 lysine-79 specific Chain: X
Molecule details ›
Chain: X
Length: 328 amino acids
Theoretical weight: 37.93 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q8TEK3 (Residues: 5-332; Coverage: 21%)
Gene names: DOT1L, KIAA1814, KMT4
Sequence domains: Histone methylation protein DOT1
Ubiquitin Chain: Y
Molecule details ›
Chain: Y
Length: 76 amino acids
Theoretical weight: 8.58 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P0CG47 (Residues: 153-228; Coverage: 33%)
Gene name: UBB
Sequence domains: Ubiquitin family
DNA I&J Chains: I, J
Molecule details ›
Chains: I, J
Length: 114 nucleotides
Theoretical weight: 35.17 KDa

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 6.8Å
Relevant EMDB volumes: EMD-9844
Expression system: Escherichia coli BL21