7b1f

X-ray diffraction
1.75Å resolution

Orthorhombic P212121 Structure of Human Mad1 C-terminal Domain in Complex with Phosphorylated Bub1 CD1 Domain

Released:

Function and Biology Details

Reaction catalysed:
ATP + a protein = ADP + a phosphoprotein
Biochemical function:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-129063 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Mitotic spindle assembly checkpoint protein MAD1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 122 amino acids
Theoretical weight: 13.96 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9Y6D9 (Residues: 597-718; Coverage: 17%)
Gene names: MAD1, MAD1L1, TXBP181
Mitotic checkpoint serine/threonine-protein kinase BUB1 Chains: C, D
Molecule details ›
Chains: C, D
Length: 26 amino acids
Theoretical weight: 3.02 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: O43683 (Residues: 455-479; Coverage: 2%)
Gene names: BUB1, BUB1L

Ligands and Environments

No bound ligands
2 modified residues:

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I04
Spacegroup: P212121
Unit cell:
a: 34.219Å b: 80.492Å c: 133.998Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.257 0.256 0.287
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided