4ne1

X-ray diffraction
6.5Å resolution

Human MHF1 MHF2 DNA complexes

Released:

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero 24-mer (preferred)
PDBe Complex ID:
PDB-CPX-108750 (preferred)
Entry contents:
2 distinct polypeptide molecules
2 distinct DNA molecules
Macromolecules (4 distinct):
Centromere protein S Chains: A, C, G, I, J, K, Q, R, S, T, Y, a, c, e, f, g, k, l, m, n
Molecule details ›
Chains: A, C, G, I, J, K, Q, R, S, T, Y, a, c, e, f, g, k, l, m, n
Length: 105 amino acids
Theoretical weight: 12.09 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q8N2Z9 (Residues: 14-118; Coverage: 76%)
Gene names: APITD1, CENPS, FAAP16, MHF1
Sequence domains: CENP-S protein
Centromere protein X Chains: B, D, H, L, M, N, U, V, W, X, Z, b, d, h, i, j, o, p, q, r
Molecule details ›
Chains: B, D, H, L, M, N, U, V, W, X, Z, b, d, h, i, j, o, p, q, r
Length: 74 amino acids
Theoretical weight: 8.4 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: A8MT69 (Residues: 8-81; Coverage: 91%)
Gene names: CENPX, FAAP10, MHF2, STRA13
Sequence domains: CENP-S associating Centromere protein X
DNA (26-MER) Chains: E, O, s, u
Molecule details ›
Chains: E, O, s, u
Length: 26 nucleotides
Theoretical weight: 8.1 KDa
DNA (26-MER) Chains: F, P, t, v
Molecule details ›
Chains: F, P, t, v
Length: 26 nucleotides
Theoretical weight: 7.86 KDa

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 24-ID-E
Spacegroup: P3
Unit cell:
a: 252.39Å b: 252.39Å c: 131.36Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.267 0.266 0.295
Expression system: Escherichia coli BL21(DE3)