PDBe 2x1n

X-ray diffraction
2.75Å resolution

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero trimer (preferred)
hetero dimer
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Cyclin-A2 Chains: B, D
Molecule details ›
Chains: B, D
Length: 261 amino acids
Theoretical weight: 29.97 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P20248 (Residues: 172-432; Coverage: 60%)
Gene names: CCN1, CCNA, CCNA2
Sequence domains:
Structure domains: Cyclin A; domain 1
ACE-LEU-ASN-PFF-NH2 Chain: H
Molecule details ›
Chain: H
Length: 5 amino acids
Theoretical weight: 434 Da
Source organism: synthetic construct
Expression system: Not provided
Cyclin-dependent kinase 2 Chains: A, C
Molecule details ›
Chains: A, C
Length: 298 amino acids
Theoretical weight: 33.98 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: P24941 (Residues: 1-298; Coverage: 100%)
Gene names: CDK2, CDKN2
Sequence domains: Protein kinase domain
Structure domains:

Ligands and Environments

1 bound ligand:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-2
Spacegroup: P212121
Unit cell:
a: 74.558Å b: 114.257Å c: 157.277Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.201 0.2 0.255
Expression systems:
  • Escherichia coli
  • Not provided
  • Spodoptera frugiperda