4f3l

X-ray diffraction
2.27Å resolution

Crystal Structure of the Heterodimeric CLOCK:BMAL1 Transcriptional Activator Complex

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-126671 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Basic helix-loop-helix ARNT-like protein 1 Chain: B
Molecule details ›
Chain: B
Length: 387 amino acids
Theoretical weight: 44.19 KDa
Source organism: Mus musculus
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: Q9WTL8 (Residues: 69-280, 281-453; Coverage: 61%)
Gene names: Arntl, Bmal1
Sequence domains:
Structure domains:
Circadian locomoter output cycles protein kaput Chain: A
Molecule details ›
Chain: A
Length: 361 amino acids
Theoretical weight: 42.08 KDa
Source organism: Mus musculus
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: O08785 (Residues: 26-384; Coverage: 42%)
Gene name: Clock
Sequence domains:
Structure domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID, ALS BEAMLINE 8.2.1
Spacegroup: P212121
Unit cell:
a: 67.242Å b: 71.955Å c: 173.306Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.186 0.184 0.217
Expression system: Spodoptera frugiperda