2ghy

Novel Crystal Form of the ColE1 Rom Protein

Method: X-RAY DIFFRACTION Dmax: 52.2 Å Quality: GOOD

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 Not recorded No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.6;295 K;30% PEG MME 2000, 0.1M sodium acetate, pH4.6, and 0.2M ammonium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.50 Å R-free 0.263

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_ECOLI
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 2ghy

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id2ghy
Deposition date deposition_date2006-03-28
Structure title titleNovel Crystal Form of the ColE1 Rom Protein
Keywords keywordsRNA one modulator protein, kissing hairpins, structural packing, HIV-1, TRANSCRIPTION; TRANSCRIPTION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier15.37
Radius of gyration Rg (electron density) rg_electron14.44
Forward intensity I(0) i03681510.00
Molecular weight molecular_weight13011.0 kDa
Excluded volume excluded_volume16005 ų
Envelope volume envelope_volume17950 ų
Hydration-shell volume shell_volume11034 ų
Envelope diameter envelope_diameter50.3
Shell Rg shell_rg19.60
Envelope Rg envelope_rg14.94
Shape Rg shape_rg14.39
Total Rg total_rg15.55
Total atoms total_atoms908
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 dmax52.2
Rg (real space) rg_real15.42
Rg uncertainty (real space) rg_real_error0.37
I(0) (real space) i0_real3.6820e+06
I(0) uncertainty (real space) i0_real_error4.1040e+04
Rg (reciprocal space) rg_reciprocal15.41
I(0) (reciprocal space) i0_reciprocal3682000.0000
Solution quality estimate total_estimate0.8497
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary16.5
Skewness Skewness skewness0.458
Kurtosis Kurtosis kurtosis-0.179
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1856000.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.712; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.944; Smooth: 0.963

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_idd2ghya_
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_idd2ghyb_
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_id2ghyA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily230
Domain ID domain_id2ghyB00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily230

8. Citations (1)

9. Files and Curves (10)