8ctz

12-mer DNA structure of ExBIM & O6Me-G bound to RNase-H

Method: X-RAY DIFFRACTION Dmax: 90.1 Å Quality: EXCELLENT

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

Ribonuclease H

Alkalihalobacillus halodurans

UniProt Q9KEI9

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–DNA Homooligomer Protein × 3 DNA 2 PDB declaration: pentameric(5) Consistent with all polymer counts Chain A; UniProt 59–196 Chain B; UniProt 59–196 Chain C; UniProt 59–196 Mutation:D132N ;DNA (5'-D(*CP*GP*CP*(6OG)P*AP*AP*TP*TP*(OWR)P*GP*CP*G)-3') ; × 2 GOL GLYCEROL × 4 EDO 1,2-ETHANEDIOL × 3 ACT ACETATE ION × 2 NA SODIUM ION × 1 K POTASSIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;291 K;0.1 M HEPES, 10% v/v 2-propanol and 20% w/v PEG 4000 Resolution 2.32 Å R-free 0.265

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 108 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RNH1_BACHD
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 5–142; UniProt 59–196 Author chain B; PDBConstruct 5–142; UniProt 59–196 Author chain C; PDBConstruct 5–142; UniProt 59–196

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 8ctz

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id8ctz
Deposition date deposition_date2022-05-16
Structure title title12-mer DNA structure of ExBIM & O6Me-G bound to RNase-H
Keywords keywords;alkylation, base stacking, DNA damage, H-bonding, O6-methyl-2'-deoxyguanosine, ExBIM, DNA ;; DNA
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier28.18
Radius of gyration Rg (electron density) rg_electron26.66
Forward intensity I(0) i052354100.00
Molecular weight molecular_weight53180.0 kDa
Excluded volume excluded_volume65199 ų
Envelope volume envelope_volume84994 ų
Hydration-shell volume shell_volume27785 ų
Envelope diameter envelope_diameter92.3
Shell Rg shell_rg32.45
Envelope Rg envelope_rg26.66
Shape Rg shape_rg26.60
Total Rg total_rg27.44
Total atoms total_atoms3726
Residues n_residues412
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 dmax90.1
Rg (real space) rg_real28.15
Rg uncertainty (real space) rg_real_error0.57
I(0) (real space) i0_real5.2350e+07
I(0) uncertainty (real space) i0_real_error8.1870e+05
Rg (reciprocal space) rg_reciprocal28.16
I(0) (reciprocal space) i0_reciprocal52350000.0000
Solution quality estimate total_estimate0.9071
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary88.5
Skewness Skewness skewness0.226
Kurtosis Kurtosis kurtosis-0.585
Angular range angular_range— – 0.2800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5703000.0000
Real-space data points n_real_points57
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.955; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.976; Smooth: 0.946

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

8. Citations (1)

9. Files and Curves (10)