1bdx

E. COLI DNA HELICASE RUVA WITH BOUND DNA HOLLIDAY JUNCTION, ALPHA CARBONS AND PHOSPHATE ATOMS ONLY

Method: X-RAY DIFFRACTION Dmax: 92.0 Å Quality: EXCELLENT

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

HOLLIDAY JUNCTION DNA HELICASE RUVA

Escherichia coli BL21(DE3)

UniProt P0A809

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 × 4 DNA 4 PDB declaration: octameric(8) Consistent with all polymer counts Chain A; UniProt 1–203 Chain B; UniProt 1–203 Chain C; UniProt 1–203 Chain D; UniProt 1–203 Not recorded ;DNA (5'-D(P*GP*CP*AP*TP*GP*CP*AP*TP*AP*TP*GP*CP*AP*TP*GP*C)-3') ; × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;PROTEIN/DNA COMPLEX WAS CRYSTALLISED FROM 0.85M SODIUM ACETATE BUFFERED WITH 100MM IMIDAZOLE AT PH 6.5, VAPOR DIFFUSION, HANGING DROP Resolution 6.00 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.

4 other PDB entries and 4 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RUVA_ECOLI
Isoform
PDB entities 2
Chains and sequence ranges Author chain A; PDBConstruct 1–203; UniProt 1–203 Author chain B; PDBConstruct 1–203; UniProt 1–203 Author chain C; PDBConstruct 1–203; UniProt 1–203 Author chain D; PDBConstruct 1–203; UniProt 1–203

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 1bdx

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1bdx
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1bdx
Deposition date deposition_date1998-05-11
Structure title titleE. COLI DNA HELICASE RUVA WITH BOUND DNA HOLLIDAY JUNCTION, ALPHA CARBONS AND PHOSPHATE ATOMS ONLY
Keywords keywordsDNA-BINDING, BRANCH MIGRATION, HOLLIDAY JUNCTION, RUV, COMPLEX DNA-BINDING PROTEIN-DNA, TRANSFERASE-DNA COMPLEX; TRANSFERASE/DNA
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier30.56
Radius of gyration Rg (electron density) rg_electron29.40
Forward intensity I(0) i0121196000.00
Molecular weight molecular_weight85549.0 kDa
Excluded volume excluded_volume104190 ų
Envelope volume envelope_volume104850 ų
Hydration-shell volume shell_volume31820 ų
Envelope diameter envelope_diameter89.5
Shell Rg shell_rg34.85
Envelope Rg envelope_rg27.24
Shape Rg shape_rg29.61
Total Rg total_rg29.81
Total atoms total_atoms64
Residues n_residues64
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 dmax92.0
Rg (real space) rg_real30.39
Rg uncertainty (real space) rg_real_error0.35
I(0) (real space) i0_real1.2120e+08
I(0) uncertainty (real space) i0_real_error1.5740e+06
Rg (reciprocal space) rg_reciprocal30.47
I(0) (reciprocal space) i0_reciprocal121200000.0000
Solution quality estimate total_estimate0.9137
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary37.1
Skewness Skewness skewness0.118
Kurtosis Kurtosis kurtosis-0.605
Angular range angular_range— – 0.2600 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha14970000.0000
Real-space data points n_real_points53
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.970; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.974

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (12 domains)

Domain ID domain_idd1bdxa1
Class classa — All alpha proteins
Fold Fold folda.5 — RuvA C-terminal domain-like
Superfamily Superfamily superfamilya.5.1 — DNA helicase RuvA subunit, C-terminal domain
Family Family familya.5.1.1 — DNA helicase RuvA subunit, C-terminal domain
Domain ID domain_idd1bdxa2
Class classa — All alpha proteins
Fold Fold folda.60 — SAM domain-like
Superfamily Superfamily superfamilya.60.2 — RuvA domain 2-like
Family Family familya.60.2.1 — DNA helicase RuvA subunit, middle domain
Domain ID domain_idd1bdxa3
Class classb — All beta proteins
Fold Fold foldb.40 — OB-fold
Superfamily Superfamily superfamilyb.40.4 — Nucleic acid-binding proteins
Family Family familyb.40.4.2 — DNA helicase RuvA subunit, N-terminal domain
Domain ID domain_idd1bdxb1
Class classa — All alpha proteins
Fold Fold folda.5 — RuvA C-terminal domain-like
Superfamily Superfamily superfamilya.5.1 — DNA helicase RuvA subunit, C-terminal domain
Family Family familya.5.1.1 — DNA helicase RuvA subunit, C-terminal domain
Domain ID domain_idd1bdxb2
Class classa — All alpha proteins
Fold Fold folda.60 — SAM domain-like
Superfamily Superfamily superfamilya.60.2 — RuvA domain 2-like
Family Family familya.60.2.1 — DNA helicase RuvA subunit, middle domain
Domain ID domain_idd1bdxb3
Class classb — All beta proteins
Fold Fold foldb.40 — OB-fold
Superfamily Superfamily superfamilyb.40.4 — Nucleic acid-binding proteins
Family Family familyb.40.4.2 — DNA helicase RuvA subunit, N-terminal domain
Domain ID domain_idd1bdxc1
Class classa — All alpha proteins
Fold Fold folda.5 — RuvA C-terminal domain-like
Superfamily Superfamily superfamilya.5.1 — DNA helicase RuvA subunit, C-terminal domain
Family Family familya.5.1.1 — DNA helicase RuvA subunit, C-terminal domain
Domain ID domain_idd1bdxc2
Class classa — All alpha proteins
Fold Fold folda.60 — SAM domain-like
Superfamily Superfamily superfamilya.60.2 — RuvA domain 2-like
Family Family familya.60.2.1 — DNA helicase RuvA subunit, middle domain
Domain ID domain_idd1bdxc3
Class classb — All beta proteins
Fold Fold foldb.40 — OB-fold
Superfamily Superfamily superfamilyb.40.4 — Nucleic acid-binding proteins
Family Family familyb.40.4.2 — DNA helicase RuvA subunit, N-terminal domain
Domain ID domain_idd1bdxd1
Class classa — All alpha proteins
Fold Fold folda.5 — RuvA C-terminal domain-like
Superfamily Superfamily superfamilya.5.1 — DNA helicase RuvA subunit, C-terminal domain
Family Family familya.5.1.1 — DNA helicase RuvA subunit, C-terminal domain
Domain ID domain_idd1bdxd2
Class classa — All alpha proteins
Fold Fold folda.60 — SAM domain-like
Superfamily Superfamily superfamilya.60.2 — RuvA domain 2-like
Family Family familya.60.2.1 — DNA helicase RuvA subunit, middle domain
Domain ID domain_idd1bdxd3
Class classb — All beta proteins
Fold Fold foldb.40 — OB-fold
Superfamily Superfamily superfamilyb.40.4 — Nucleic acid-binding proteins
Family Family familyb.40.4.2 — DNA helicase RuvA subunit, N-terminal domain

8. Citations (2)

9. Files and Curves (10)