PDBe 5t78

X-ray diffraction
2.2Å resolution

Crystal structure of therapeutic mAB AR20.5 in complex with MUC1 peptide


Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Fab fragment AR20.5 - Light Chain Chains: A, C
Molecule details ›
Chains: A, C
Length: 216 amino acids
Theoretical weight: 23.94 KDa
Source organism: Mus musculus
Expression system: Mus musculus
Fab Fragment - AR20.5 - Heavy chain Chains: B, D
Molecule details ›
Chains: B, D
Length: 215 amino acids
Theoretical weight: 23.13 KDa
Source organism: Mus musculus
Expression system: Mus musculus
Mucin-1 subunit alpha Chains: E, F
Molecule details ›
Chains: E, F
Length: 8 amino acids
Theoretical weight: 825 Da
Source organism: Homo sapiens
Expression system: Not provided
  • Canonical: P15941 (Residues: 921-928; Coverage: 1%)
Gene names: MUC1, PUM

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: CLSI BEAMLINE 08ID-1
Spacegroup: C2221
Unit cell:
a: 97.25Å b: 100.46Å c: 235.32Å
α: 90° β: 90° γ: 90°
R R work R free
0.195 0.194 0.22
Expression systems:
  • Mus musculus
  • Not provided