Structure analysis

Crystal structure of a complex between PTP1B and the insulin receptor tyrosine kinase

X-ray diffraction
2.3Å resolution
Source organism: Homo sapiens
Assembly composition:
hetero tetramer (preferred)
Entry contents: 2 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero tetramer
Accessible surface area: 50321.73 Å2
Buried surface area: 6840.08 Å2
Dissociation area: 2,474.83 Å2
Dissociation energy (ΔGdiss): -5.62 kcal/mol
Dissociation entropy (TΔSdiss): 40.95 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-138940

Macromolecules

Chains: A, C
Length: 298 amino acids
Theoretical weight: 34.69 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P18031 (Residues: 1-298; Coverage: 69%)
Gene names: PTP1B, PTPN1
Pfam: Protein-tyrosine phosphatase
InterPro:
CATH: Protein tyrosine phosphatase superfamily
SCOP: Higher-molecular-weight phosphotyrosine protein phosphatases

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