2g8h

B. halodurans RNase H catalytic domain D192N mutant in complex with Mg2+ and RNA/DNA hybrid (non-P nick at the active site)

Method: X-RAY DIFFRACTION Dmax: 57.8 Å Quality: GOOD

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

Ribonuclease H

Bacillus 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 Other combination Monomer Protein × 1 DNA 1 RNA 1 PDB declaration: trimeric(3) Consistent with all polymer counts Chain A; UniProt 59–196 Fragment:Bh-RNase HC Mutation:D192N 5'-R(*UP*CP*GP*AP*CP*A)-3' × 1 5'-D(*AP*TP*GP*TP*CP*G)-3' × 1 MG MAGNESIUM ION × 2 VO4 VANADATE ION × 6 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7;278 K;32% MPD, 0.1M Tris pH 7.0, 0.2 M NaCl, VAPOR DIFFUSION, SITTING DROP, temperature 278K Resolution 1.85 Å R-free 0.254

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 3
Chains and sequence ranges Author chain A; 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 2g8h

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2g8h
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2g8h
Deposition date deposition_date2006-03-02
Structure title titleB. halodurans RNase H catalytic domain D192N mutant in complex with Mg2+ and RNA/DNA hybrid (non-P nick at the active site)
Keywords keywordsRNase H, Ribonuclease H, RNA/DNA hybrid, HYDROLASE-RNA-DNA COMPLEX; HYDROLASE/RNA/DNA
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier17.05
Radius of gyration Rg (electron density) rg_electron15.72
Forward intensity I(0) i09401490.00
Molecular weight molecular_weight19960.0 kDa
Excluded volume excluded_volume23737 ų
Envelope volume envelope_volume27204 ų
Hydration-shell volume shell_volume14647 ų
Envelope diameter envelope_diameter55.8
Shell Rg shell_rg21.55
Envelope Rg envelope_rg16.07
Shape Rg shape_rg15.62
Total Rg total_rg16.87
Total atoms total_atoms1378
Residues n_residues148
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 dmax57.8
Rg (real space) rg_real16.97
Rg uncertainty (real space) rg_real_error0.42
I(0) (real space) i0_real9.4010e+06
I(0) uncertainty (real space) i0_real_error1.1230e+05
Rg (reciprocal space) rg_reciprocal16.98
I(0) (reciprocal space) i0_reciprocal9402000.0000
Solution quality estimate total_estimate0.8002
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary21.3
Skewness Skewness skewness0.208
Kurtosis Kurtosis kurtosis-0.316
Angular range angular_range— – 0.4650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1037000.0000
Real-space data points n_real_points77
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.801; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2g8ha_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamilyc.55.3 — Ribonuclease H-like
Family Family familyc.55.3.1 — Ribonuclease H

CATH v4.4 (1 domains)

Domain ID domain_id2g8hA00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H

8. Citations (1)

9. Files and Curves (10)