4gl9

X-ray diffraction
3.9Å resolution

Crystal structure of inhibitory protein SOCS3 in complex with JAK2 kinase domain and fragment of GP130 intracellular domain

Released:

Function and Biology Details

Reaction catalysed:
ATP + a [protein]-L-tyrosine = ADP + a [protein]-L-tyrosine phosphate
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-128711 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Tyrosine-protein kinase JAK2 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 297 amino acids
Theoretical weight: 35.11 KDa
Source organism: Mus musculus
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: Q62120 (Residues: 836-1132; Coverage: 26%)
Gene name: Jak2
Sequence domains: Protein tyrosine and serine/threonine kinase
Structure domains:
Interleukin-6 receptor subunit beta Chains: I, J, K, L
Molecule details ›
Chains: I, J, K, L
Length: 15 amino acids
Theoretical weight: 1.61 KDa
Source organism: Mus musculus
Expression system: Not provided
UniProt:
  • Canonical: Q00560 (Residues: 750-764; Coverage: 2%)
Gene name: Il6st
Suppressor of cytokine signaling 3 Chains: E, F, G, H
Molecule details ›
Chains: E, F, G, H
Length: 143 amino acids
Theoretical weight: 15.64 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
UniProt:
  • Canonical: O35718 (Residues: 38-128; Coverage: 40%)
Gene names: Cis3, Cish3, Socs3
Sequence domains: SH2 domain
Structure domains: SH2 domain

Ligands and Environments

2 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: AUSTRALIAN SYNCHROTRON BEAMLINE MX2
Spacegroup: P65
Unit cell:
a: 139.262Å b: 139.262Å c: 316.742Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.254 0.25 0.281
Expression systems:
  • Spodoptera frugiperda
  • Not provided
  • Escherichia coli