9kj6

Crystal Structure of SpCas9 ternary complex, amino acids (1242-1263) replaced with Gly-Ser linker

Method: X-RAY DIFFRACTION Dmax: 145.5 Å Quality: REASONABLE

1. Protein Identity and Related Structures Protein Identity & Related Structures

CRISPR-associated endonuclease Cas9/Csn1

Streptococcus pyogenes

UniProt Q99ZW2

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Monomer Protein × 1 DNA 2 RNA 1 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain A; UniProt 1–1241 Chain A; UniProt 1264–1368 Not recorded single-guide RNA × 1 Target Strand of double-stranded DNA × 1 Non-target Strand of double-stranded DNA × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;295.15 K;0.07 M HEPES (pH 7.5), 0.18 M potassium acetate, 14% (v/v) PEG 3350 Resolution 3.59 Å R-free 0.271

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

134 other PDB entries and 146 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CAS9_STRP1
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 5–1245; UniProt 1–1241 Author chain A; PDBConstruct 1253–1357; UniProt 1264–1368

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 9kj6

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9kj6
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9kj6
Deposition date deposition_date2024-11-12
Structure title titleCrystal Structure of SpCas9 ternary complex, amino acids (1242-1263) replaced with Gly-Ser linker
Keywords keywordsCRISPR-Cas9, DNA BINDING PROTEIN; DNA BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier40.31
Radius of gyration Rg (electron density) rg_electron39.47
Forward intensity I(0) i0783433000.00
Molecular weight molecular_weight188760.0 kDa
Excluded volume excluded_volume218930 ų
Envelope volume envelope_volume331580 ų
Hydration-shell volume shell_volume68843 ų
Envelope diameter envelope_diameter157.8
Shell Rg shell_rg46.19
Envelope Rg envelope_rg39.12
Shape Rg shape_rg39.47
Total Rg total_rg39.80
Total atoms total_atoms13121
Residues n_residues1479
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax145.5
Rg (real space) rg_real42.15
Rg uncertainty (real space) rg_real_error0.66
I(0) (real space) i0_real7.8570e+08
I(0) uncertainty (real space) i0_real_error1.1180e+07
Rg (reciprocal space) rg_reciprocal40.31
I(0) (reciprocal space) i0_reciprocal783500000.0000
Solution quality estimate total_estimate0.6596
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary48.5
Skewness Skewness skewness0.581
Kurtosis Kurtosis kurtosis0.370
Angular range angular_range— – 0.1950 −1
Current regularization parameter α current_alpha1.4830
Highest regularization parameter α highest_alpha70160000.0000
Real-space data points n_real_points40
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.726; Stabil: 0.883; Sysdev: 0.000; Positv: 1.000; Valcen: 0.988; Smooth: 0.794

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)