7ef2

X-ray diffraction
2Å resolution

Crystal structure of maize SHH2 SAWADEE domain in complex with an H3K9me3 peptide

Released:
Source organism: Zea mays
Primary publication:
Recognition of H3K9me1 by maize RNA-directed DNA methylation factor SHH2.
J Integr Plant Biol 63 1091-1096 (2021)
PMID: 33913587

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-110665 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Homeobox domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 158 amino acids
Theoretical weight: 18 KDa
Source organism: Zea mays
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: B7ZYP9 (Residues: 125-281; Coverage: 41%)
Gene names: 100279552, HB131, ZEAMMB73_Zm00001d005584
Sequence domains: SAWADEE domain
Histone H3.2 Chains: P, Q
Molecule details ›
Chains: P, Q
Length: 10 amino acids
Theoretical weight: 1.19 KDa
Source organism: Zea mays
Expression system: Not provided
UniProt:
  • Canonical: P69246 (Residues: 2-11; Coverage: 7%)
Gene names: H3C2, H3C3, H3C4

Ligands and Environments

1 bound ligand:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL19U1
Spacegroup: P212121
Unit cell:
a: 65.092Å b: 68.254Å c: 80.811Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.216 0.215 0.245
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided