8sca

Rec3 Domain from S. pyogenes Cas9

Method: X-RAY DIFFRACTION Dmax: 69.3 Å Quality: GOOD

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 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 497–713 Not recorded EDO 1,2-ETHANEDIOL × 5 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;298 K;0.1 M Bis-Tris pH 5.5, 0.2 M sodium chloride, 25% PEG3350 Resolution 1.67 Å R-free 0.209

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 B; PDBConstruct 2–218; UniProt 497–713

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 8sca

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8sca
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8sca
Deposition date deposition_date2023-04-05
最后修订 last_revision2024-03-13
Structure title titleRec3 Domain from S. pyogenes Cas9
Keywords keywordsCRISPR Cas9, nucleic acid binding protein, RNA BINDING PROTEIN; RNA BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.61
Radius of gyration Rg (electron density) rg_electron19.40
Forward intensity I(0) i011649900.00
Molecular weight molecular_weight26072.0 kDa
Excluded volume excluded_volume33011 ų
Envelope volume envelope_volume39148 ų
Hydration-shell volume shell_volume17421 ų
Envelope diameter envelope_diameter71.5
Shell Rg shell_rg25.13
Envelope Rg envelope_rg19.82
Shape Rg shape_rg19.34
Total Rg total_rg20.48
Total atoms total_atoms1867
Residues n_residues218
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 dmax69.3
Rg (real space) rg_real20.59
Rg uncertainty (real space) rg_real_error0.52
I(0) (real space) i0_real1.1650e+07
I(0) uncertainty (real space) i0_real_error1.4900e+05
Rg (reciprocal space) rg_reciprocal20.60
I(0) (reciprocal space) i0_reciprocal11650000.0000
Solution quality estimate total_estimate0.8064
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary23.1
Skewness Skewness skewness0.301
Kurtosis Kurtosis kurtosis-0.360
Angular range angular_range— – 0.3850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2446000.0000
Real-space data points n_real_points70
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.833; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.979; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (2)

9. Files and Curves (10)