5f6l

X-ray diffraction
1.9Å resolution

The crystal structure of MLL1 (N3861I/Q3867L) in complex with RbBP5 and Ash2L

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:
  • not assigned
Biological process:
  • not assigned
Cellular component:

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-169858 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Retinoblastoma-binding protein 5 Chain: J
Molecule details ›
Chain: J
Length: 27 amino acids
Theoretical weight: 3.26 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q15291 (Residues: 330-356; Coverage: 5%)
Gene names: RBBP5, RBQ3
Set1/Ash2 histone methyltransferase complex subunit ASH2 Chain: B
Molecule details ›
Chain: B
Length: 184 amino acids
Theoretical weight: 20.6 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9UBL3 (Residues: 380-496, 516-598; Coverage: 28%)
Gene names: ASH2L, ASH2L1
Sequence domains: SPRY domain
Structure domains: Jelly Rolls
MLL cleavage product C180 Chain: A
Molecule details ›
Chain: A
Length: 158 amino acids
Theoretical weight: 18.24 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q03164 (Residues: 3813-3969; Coverage: 4%)
Gene names: ALL1, CXXC7, HRX, HTRX, KMT2A, MLL, MLL1, TRX1
Sequence domains: SET domain
Structure domains: SET domain

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: C2
Unit cell:
a: 74.966Å b: 44.41Å c: 117.792Å
α: 90° β: 106.16° γ: 90°
R-values:
R R work R free
0.171 0.166 0.213
Expression system: Escherichia coli