8t7s

SpRYmer bound to NAC PAM DNA

Method: ELECTRON MICROSCOPY Dmax: 190.3 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 Other combination Homooligomer Protein × 2 DNA 3 RNA 2 PDB declaration: heptameric(7) Consistent with all polymer counts Chain A; UniProt 2–1368 Chain G; UniProt 2–1368 Mutation:A61R, L1111R, D1135L, S1136W, G1218K, E1219Q, N1317R, A1322R, R1333P, R1335Q, T1337R gRNA × 2 TS × 2 NTS × 1 MG MAGNESIUM ION × 5 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.01 Å

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 2–1368; UniProt 2–1368 Author chain G; PDBConstruct 2–1368; UniProt 2–1368

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 8t7s

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8t7s
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id8t7s
Deposition date deposition_date2023-06-21
Structure title titleSpRYmer bound to NAC PAM DNA
Keywords keywordsSpRY-Cas9, CRISPR, Cas9, IMMUNE SYSTEM, R-loop, dimer; IMMUNE SYSTEM
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier55.43
Radius of gyration Rg (electron density) rg_electron56.99
Forward intensity I(0) i02375710000.00
Molecular weight molecular_weight358880.0 kDa
Excluded volume excluded_volume428200 ų
Envelope volume envelope_volume640870 ų
Hydration-shell volume shell_volume93935 ų
Envelope diameter envelope_diameter202.8
Shell Rg shell_rg58.36
Envelope Rg envelope_rg56.13
Shape Rg shape_rg57.07
Total Rg total_rg56.79
Total atoms total_atoms24992
Residues n_residues2707
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 dmax190.3
Rg (real space) rg_real55.62
Rg uncertainty (real space) rg_real_error2.00
I(0) (real space) i0_real2.3760e+09
I(0) uncertainty (real space) i0_real_error4.6950e+07
Rg (reciprocal space) rg_reciprocal55.24
I(0) (reciprocal space) i0_reciprocal2374000000.0000
Solution quality estimate total_estimate0.8558
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary54.4
Skewness Skewness skewness0.418
Kurtosis Kurtosis kurtosis-0.410
Angular range angular_range— – 0.1400 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha192700000.0000
Real-space data points n_real_points29
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.829; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.977; Smooth: 0.657

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)