5fw1

X-ray diffraction
2.5Å resolution

Crystal structure of SpyCas9 variant VQR bound to sgRNA and TGAG PAM target DNA

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-118690 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
1 distinct RNA molecule
Macromolecules (4 distinct):
CRISPR-associated endonuclease Cas9/Csn1 Chain: B
Molecule details ›
Chain: B
Length: 1372 amino acids
Theoretical weight: 158.89 KDa
Source organism: Streptococcus pyogenes
Expression system: Escherichia coli
UniProt:
  • Canonical: Q99ZW2 (Residues: 1-1368; Coverage: 100%)
Gene names: SPy_1046, cas9, csn1
Sequence domains:
TARGET DNA STRAND Chain: C
Molecule details ›
Chain: C
Length: 28 nucleotides
Theoretical weight: 8.54 KDa
Source organism: synthetic construct
Expression system: Not provided
NON-TARGET DNA STRAND Chain: D
Molecule details ›
Chain: D
Length: 12 nucleotides
Theoretical weight: 3.73 KDa
Source organism: synthetic construct
Expression system: Not provided
SGRNA Chain: A
Molecule details ›
Chain: A
Length: 83 nucleotides
Theoretical weight: 26.79 KDa
Source organism: synthetic construct
Expression system: Not provided

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06DA
Spacegroup: C2
Unit cell:
a: 176.637Å b: 66.984Å c: 187.228Å
α: 90° β: 111.12° γ: 90°
R-values:
R R work R free
0.22 0.218 0.254
Expression systems:
  • Escherichia coli
  • Not provided