3zmq

X-ray diffraction
3.3Å resolution

Src-derived mutant peptide inhibitor complex of PTP1B

Released:

Function and Biology Details

Reactions catalysed:
Protein tyrosine phosphate + H(2)O = protein tyrosine + phosphate
ATP + a [protein]-L-tyrosine = ADP + a [protein]-L-tyrosine phosphate
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-146380 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Tyrosine-protein phosphatase non-receptor type 1 Chain: A
Molecule details ›
Chain: A
Length: 329 amino acids
Theoretical weight: 38.45 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P18031 (Residues: 1-321; Coverage: 74%)
Gene names: PTP1B, PTPN1
Sequence domains: Protein-tyrosine phosphatase
Structure domains: Protein tyrosine phosphatase superfamily
Proto-oncogene tyrosine-protein kinase Src Chain: C
Molecule details ›
Chain: C
Length: 10 amino acids
Theoretical weight: 1.26 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P12931 (Residues: 527-536; Coverage: 2%)
Gene names: SRC, SRC1

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-2
Spacegroup: P212121
Unit cell:
a: 61.02Å b: 61.27Å c: 88.69Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.25 0.248 0.304
Expression systems:
  • Escherichia coli
  • Not provided