6pwv

Electron Microscopy
6.2Å resolution

Cryo-EM structure of MLL1 core complex bound to the nucleosome

Released:

Function and Biology Details

Reaction catalysed:
S-adenosyl-L-methionine + a [histone H3]-L-lysine(4) = S-adenosyl-L-homocysteine + a [histone H3]-N(6)-methyl-L-lysine(4)
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
hetero hexadecamer (preferred)
PDBe Complex ID:
PDB-CPX-120470 (preferred)
Entry contents:
9 distinct polypeptide molecules
2 distinct DNA molecules
Macromolecules (11 distinct):
Retinoblastoma-binding protein 5 Chain: A
Molecule details ›
Chain: A
Length: 538 amino acids
Theoretical weight: 59.18 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q15291 (Residues: 2-538; Coverage: 100%)
Gene names: RBBP5, RBQ3
Sequence domains: WD domain, G-beta repeat
WD repeat-containing protein 5 Chain: B
Molecule details ›
Chain: B
Length: 313 amino acids
Theoretical weight: 34.39 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P61964 (Residues: 22-334; Coverage: 94%)
Gene names: BIG3, WDR5
Sequence domains: WD domain, G-beta repeat
MLL cleavage product C180 Chain: C
Molecule details ›
Chain: C
Length: 209 amino acids
Theoretical weight: 24.14 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q03164 (Residues: 3762-3969; Coverage: 5%)
Gene names: ALL1, CXXC7, HRX, HTRX, KMT2A, MLL, MLL1, TRX1
Sequence domains: SET domain
Histone H3.2 Chains: G, K
Molecule details ›
Chains: G, K
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%)
Sequence domains: Core histone H2A/H2B/H3/H4
Histone H4 Chains: H, L
Molecule details ›
Chains: H, L
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%)
Sequence domains: Centromere kinetochore component CENP-T histone fold
Histone H2A type 1 Chains: I, M
Molecule details ›
Chains: I, M
Length: 129 amino acids
Theoretical weight: 13.98 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli
UniProt:
  • Canonical: P06897 (Residues: 2-130; Coverage: 99%)
Sequence domains:
Histone H2B 1.1 Chains: J, N
Molecule details ›
Chains: J, N
Length: 122 amino acids
Theoretical weight: 13.52 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli
UniProt:
  • Canonical: P02281 (Residues: 5-126; Coverage: 97%)
Sequence domains: Core histone H2A/H2B/H3/H4
Protein dpy-30 homolog Chains: E, F
Molecule details ›
Chains: E, F
Length: 102 amino acids
Theoretical weight: 11.49 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9C005 (Residues: 1-99; Coverage: 100%)
Gene name: DPY30
Sequence domains: Dpy-30 motif
Set1/Ash2 histone methyltransferase complex subunit ASH2 Chain: D
Molecule details ›
Chain: D
Length: 534 amino acids
Theoretical weight: 60.24 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9UBL3 (Residues: 96-628; Coverage: 85%)
Gene names: ASH2L, ASH2L1
Sequence domains:
DNA (147-MER) Chain: O
Molecule details ›
Chain: O
Length: 147 nucleotides
Theoretical weight: 45.14 KDa
DNA (147-MER) Chain: P
Molecule details ›
Chain: P
Length: 147 nucleotides
Theoretical weight: 45.61 KDa

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 6.2Å
Relevant EMDB volumes: EMD-20512
Expression system: Escherichia coli