2y8o

X-ray diffraction
1.95Å resolution

Crystal structure of human p38alpha complexed with a MAPK docking peptide

Released:

Function and Biology Details

Reactions catalysed:
ATP + a protein = ADP + a phosphoprotein
ATP + L-seryl/L-threonyl/L-tyrosyl-[protein] = ADP + O-phospho-L-seryl/O-phospho-L-threonyl/O-phospho-L-tyrosyl-[protein]

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-156563 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Mitogen-activated protein kinase 14 Chain: A
Molecule details ›
Chain: A
Length: 362 amino acids
Theoretical weight: 41.47 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q16539 (Residues: 1-360; Coverage: 100%)
Gene names: CSBP, CSBP1, CSBP2, CSPB1, MAPK14, MXI2, SAPK2A
Sequence domains: Protein kinase domain
Structure domains:
Dual specificity mitogen-activated protein kinase kinase 6 Chain: B
Molecule details ›
Chain: B
Length: 14 amino acids
Theoretical weight: 1.56 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P52564 (Residues: 4-17; Coverage: 4%)
Gene names: MAP2K6, MEK6, MKK6, PRKMK6, SKK3

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06SA
Spacegroup: P3121
Unit cell:
a: 81.92Å b: 81.92Å c: 122.59Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.177 0.176 0.209
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided