6qnx

X-ray diffraction
2.7Å resolution

Structure of the SA2/SCC1/CTCF complex

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-129911 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Cohesin subunit SA-2 Chain: A
Molecule details ›
Chain: A
Length: 1231 amino acids
Theoretical weight: 141.5 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8N3U4 (Residues: 1-1231; Coverage: 100%)
Gene names: SA2, STAG2
Sequence domains:
Double-strand-break repair protein rad21 homolog Chain: B
Molecule details ›
Chain: B
Length: 631 amino acids
Theoretical weight: 71.77 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: O60216 (Residues: 1-631; Coverage: 100%)
Gene names: HR21, KIAA0078, NXP1, RAD21, SCC1
Sequence domains:
Transcriptional repressor CTCF Chain: C
Molecule details ›
Chain: C
Length: 727 amino acids
Theoretical weight: 82.93 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P49711 (Residues: 1-727; Coverage: 100%)
Gene name: CTCF
Sequence domains: Zinc finger, C2H2 type

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE MASSIF-1
Spacegroup: P212121
Unit cell:
a: 79.029Å b: 107.255Å c: 176.49Å
α: 90° β: 90° γ: 90°
Expression systems:
  • Escherichia coli
  • Not provided