2ii0

Crystal Structure of catalytic domain of Son of sevenless (Rem-Cdc25) in the absence of Ras

Method: X-RAY DIFFRACTION Dmax: 110.8 Å Quality: GOOD

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

Son of sevenless homolog 1

Homo sapiens

UniProt Q07889

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 564–1049 Fragment:catalytic domain, RasGEF (residues 564-1049) No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293 K;20% PEG3350, 0.2M ammonium chloride, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.02 Å R-free 0.248

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.

90 other PDB entries and 115 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SOS1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 5–490; UniProt 564–1049

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 2ii0

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2ii0
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2ii0
Deposition date deposition_date2006-09-27
Structure title titleCrystal Structure of catalytic domain of Son of sevenless (Rem-Cdc25) in the absence of Ras
Keywords keywordsSIGNALING PROTEIN; SIGNALING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier29.97
Radius of gyration Rg (electron density) rg_electron29.62
Forward intensity I(0) i045986300.00
Molecular weight molecular_weight54418.0 kDa
Excluded volume excluded_volume68827 ų
Envelope volume envelope_volume88443 ų
Hydration-shell volume shell_volume26801 ų
Envelope diameter envelope_diameter115.9
Shell Rg shell_rg33.97
Envelope Rg envelope_rg30.45
Shape Rg shape_rg29.61
Total Rg total_rg30.14
Total atoms total_atoms3842
Residues n_residues463
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 dmax110.8
Rg (real space) rg_real30.37
Rg uncertainty (real space) rg_real_error1.08
I(0) (real space) i0_real4.5990e+07
I(0) uncertainty (real space) i0_real_error7.2090e+05
Rg (reciprocal space) rg_reciprocal30.20
I(0) (reciprocal space) i0_reciprocal45980000.0000
Solution quality estimate total_estimate0.7796
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary27.2
Skewness Skewness skewness0.686
Kurtosis Kurtosis kurtosis0.082
Angular range angular_range— – 0.2650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha9957000.0000
Real-space data points n_real_points54
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.547; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.558; Smooth: 0.931

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2ii0a_
Class classa — All alpha proteins
Fold Fold folda.117 — Ras GEF
Superfamily Superfamily superfamilya.117.1 — Ras GEF
Family Family familya.117.1.1 — Ras GEF

CATH v4.4 (2 domains)

Domain ID domain_id2ii0A01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology870 — Son of sevenless (SoS) protein; Chain S, domain 1
Homologous superfamily homologous superfamily10 — Son of sevenless (SoS) protein Chain: S domain 1
Domain ID domain_id2ii0A02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology840 — Son of Sevenless (SoS) protein; Chain S, domain 2
Homologous superfamily homologous superfamily10 — Ras guanine-nucleotide exchange factors catalytic domain

8. Citations (1)

9. Files and Curves (10)