8dmb

Structure of Desulfovirgula thermocuniculi IsrB (DtIsrB) in complex with omega RNA and target DNA

Method: ELECTRON MICROSCOPY Dmax: 119.0 Å Quality: GOOD

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

Ubiquitin-like protein SMT3,IsrB protein,monomeric superfolder Green Fluorescent Protein

synthetic construct

UniProt Q12306

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 P; UniProt 1–98 Mutation:H584L omega RNA × 1 target DNA × 1 non-target DNA × 1 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY cryo-EM buffer:pH 7 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.10 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.

95 other PDB entries and 116 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SMT3_YEAST
Isoform
PDB entities 1
Chains and sequence ranges Author chain P; PDBConstruct 52–149; UniProt 1–98

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 8dmb

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id8dmb
Deposition date deposition_date2022-07-08
Structure title titleStructure of Desulfovirgula thermocuniculi IsrB (DtIsrB) in complex with omega RNA and target DNA
Keywords keywordsEndonuclease, RNA BINDING PROTEIN, RNA BINDING PROTEIN-RNA-DNA complex, Transposon, CRISPR, IS200/IS605; RNA BINDING PROTEIN/RNA/DNA
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier36.35
Radius of gyration Rg (electron density) rg_electron35.67
Forward intensity I(0) i0556121000.00
Molecular weight molecular_weight126220.0 kDa
Excluded volume excluded_volume130150 ų
Envelope volume envelope_volume201700 ų
Hydration-shell volume shell_volume47977 ų
Envelope diameter envelope_diameter127.8
Shell Rg shell_rg41.11
Envelope Rg envelope_rg35.51
Shape Rg shape_rg35.57
Total Rg total_rg36.09
Total atoms total_atoms14225
Residues n_residues603
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 dmax119.0
Rg (real space) rg_real36.36
Rg uncertainty (real space) rg_real_error0.86
I(0) (real space) i0_real5.5610e+08
I(0) uncertainty (real space) i0_real_error8.2350e+06
Rg (reciprocal space) rg_reciprocal36.36
I(0) (reciprocal space) i0_reciprocal556100000.0000
Solution quality estimate total_estimate0.8893
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary40.6
Skewness Skewness skewness0.351
Kurtosis Kurtosis kurtosis-0.367
Angular range angular_range— – 0.2200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha23970000.0000
Real-space data points n_real_points45
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.896; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.996; Smooth: 0.874

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)