4do2

Crystal Structure of the Rop protein mutant D30P/A31G at resolution 1.4 resolution.

Method: X-RAY DIFFRACTION Dmax: 59.9 Å Quality: REASONABLE

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

Regulatory protein rop

Escherichia coli

UniProt P03051

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–63 Chain B; UniProt 1–63 Mutation:D30P, A31G No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.4;291 K;45%(v/v) methanol, 50 mM HEPES pH 6.4 and 100 mM Li2SO4, pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 291K Resolution 1.40 Å R-free 0.188

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.

18 other PDB entries and 26 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ROP_ECOLX
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–63; UniProt 1–63 Author chain B; PDBConstruct 1–63; UniProt 1–63

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 4do2

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4do2
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4do2
Deposition date deposition_date2012-02-09
Structure title titleCrystal Structure of the Rop protein mutant D30P/A31G at resolution 1.4 resolution.
Keywords keywords;protein structure, protein folding, Rop protein, bacterial protein, mutation, 4-alpha-helical bundle, loop, RNA binding protein, ColE1 plasmid copy number ;; RNA BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier15.43
Radius of gyration Rg (electron density) rg_electron14.52
Forward intensity I(0) i03706190.00
Molecular weight molecular_weight13020.0 kDa
Excluded volume excluded_volume16028 ų
Envelope volume envelope_volume18259 ų
Hydration-shell volume shell_volume11156 ų
Envelope diameter envelope_diameter49.9
Shell Rg shell_rg19.64
Envelope Rg envelope_rg14.97
Shape Rg shape_rg14.49
Total Rg total_rg15.58
Total atoms total_atoms909
Residues n_residues114
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 dmax59.9
Rg (real space) rg_real15.46
Rg uncertainty (real space) rg_real_error0.50
I(0) (real space) i0_real3.7060e+06
I(0) uncertainty (real space) i0_real_error4.5380e+04
Rg (reciprocal space) rg_reciprocal15.46
I(0) (reciprocal space) i0_reciprocal3706000.0000
Solution quality estimate total_estimate0.6824
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary51.6
Skewness Skewness skewness0.458
Kurtosis Kurtosis kurtosis-0.170
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2520000.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.412; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.631; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd4do2a_
Class classa — All alpha proteins
Fold Fold folda.30 — ROP-like
Superfamily Superfamily superfamilya.30.1 — ROP protein
Family Family familya.30.1.1 — ROP protein
Domain ID domain_idd4do2b_
Class classa — All alpha proteins
Fold Fold folda.30 — ROP-like
Superfamily Superfamily superfamilya.30.1 — ROP protein
Family Family familya.30.1.1 — ROP protein

CATH v4.4 (2 domains)

Domain ID domain_id4do2A00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily230
Domain ID domain_id4do2B00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily230

8. Citations (2)

9. Files and Curves (10)