6mbl

X-ray diffraction
2.2Å resolution

SETD3, a Histidine Methyltransferase, in Complex with an Actin Peptide and SAH, Second P212121 Crystal Form

Released:

Function and Biology Details

Reaction catalysed:
S-adenosyl-L-methionine + protein L-histidine = S-adenosyl-L-homocysteine + protein N(tau)-methyl-L-histidine

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-158074 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Actin, cytoplasmic 1, N-terminally processed Chain: Y
Molecule details ›
Chain: Y
Length: 15 amino acids
Theoretical weight: 1.79 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P60709 (Residues: 66-80; Coverage: 4%)
Gene name: ACTB
Actin-histidine N-methyltransferase Chain: A
Molecule details ›
Chain: A
Length: 599 amino acids
Theoretical weight: 67.75 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q86TU7 (Residues: 1-594; Coverage: 100%)
Gene names: C14orf154, SETD3
Sequence domains:

Ligands and Environments


Cofactor: Ligand SAH 1 x SAH
1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 22-ID
Spacegroup: P212121
Unit cell:
a: 56.557Å b: 92.83Å c: 111.635Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.185 0.182 0.227
Expression systems:
  • Not provided
  • Escherichia coli BL21(DE3)