6m0v

X-ray diffraction
3Å resolution

Crsytal structure of streptococcus thermophilus Cas9 in complex with the GGAA PAM

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-120253 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
1 distinct RNA molecule
Macromolecules (4 distinct):
CRISPR-associated endonuclease Cas9 1 Chain: A
Molecule details ›
Chain: A
Length: 1122 amino acids
Theoretical weight: 129.65 KDa
Source organism: Streptococcus thermophilus LMD-9
Expression system: Escherichia coli
UniProt:
  • Canonical: Q03LF7 (Residues: 2-1121; Coverage: 100%)
Gene names: STER_0709, cas9-1, csn1
Sequence domains:
DNA (28-MER) Chain: C
Molecule details ›
Chain: C
Length: 28 nucleotides
Theoretical weight: 8.48 KDa
Source organism: Streptococcus thermophilus
Expression system: Not provided
DNA (5'-D(*AP*AP*GP*GP*AP*AP*GP*C)-3') Chain: D
Molecule details ›
Chain: D
Length: 8 nucleotides
Theoretical weight: 2.48 KDa
Source organism: Streptococcus thermophilus
Expression system: Not provided
RNA (71-MER) Chain: B
Molecule details ›
Chain: B
Length: 71 nucleotides
Theoretical weight: 22.88 KDa
Source organism: Streptococcus thermophilus
Expression system: Not provided

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL19U1
Spacegroup: C2
Unit cell:
a: 321.839Å b: 75.078Å c: 70.109Å
α: 90° β: 93.21° γ: 90°
R-values:
R R work R free
0.216 0.213 0.257
Expression systems:
  • Escherichia coli
  • Not provided