6wo2

Crystal Structure of the Grb2 SH2 Domain in Complex with a Tripeptide: Ac-pY-Ac6c-N-isohexyl

Method: X-RAY DIFFRACTION Dmax: 61.6 Å Quality: REASONABLE

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

Growth factor receptor-bound protein 2

Homo sapiens

UniProt P62993

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 53–163 Fragment:SH2 Domain ACE-PTR-02K-ASN-U67 × 1 CA CALCIUM ION × 1 IPA ISOPROPYL ALCOHOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;298 K;An aqueous solution containing a 1.5 molar ratio of ligand to protein, ca. 10 mg/mL, was prepared. 4.0 ul of this solution was mixed with 3.0 ul of a precipitant solution containing 0.2 M sodium citrate tribasic dihydrate, 0.1 M HEPES, and 20% v/v 2-propanol (Hampton crystal screen I, condition no. 27), and allowed to equilibrate with 350 ul of the aforementioned precipitant well solution. Usable crystals grew after 4 weeks Resolution 2.00 Å R-free 0.275
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 53–163 Fragment:SH2 Domain ACE-PTR-02K-ASN-U67 × 1 IPA ISOPROPYL ALCOHOL × 1 NA SODIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;298 K;An aqueous solution containing a 1.5 molar ratio of ligand to protein, ca. 10 mg/mL, was prepared. 4.0 ul of this solution was mixed with 3.0 ul of a precipitant solution containing 0.2 M sodium citrate tribasic dihydrate, 0.1 M HEPES, and 20% v/v 2-propanol (Hampton crystal screen I, condition no. 27), and allowed to equilibrate with 350 ul of the aforementioned precipitant well solution. Usable crystals grew after 4 weeks Resolution 2.00 Å R-free 0.275

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.

50 other PDB entries and 102 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GRB2_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–111; UniProt 53–163 Author chain B; PDBConstruct 1–111; UniProt 53–163

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 6wo2

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6wo2
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6wo2
Deposition date deposition_date2020-04-24
Structure title titleCrystal Structure of the Grb2 SH2 Domain in Complex with a Tripeptide: Ac-pY-Ac6c-N-isohexyl
Keywords keywordsGrb2 SH2 Ligand preorganization, PEPTIDE BINDING PROTEIN; PEPTIDE BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier18.18
Radius of gyration Rg (electron density) rg_electron17.25
Forward intensity I(0) i020414000.00
Molecular weight molecular_weight23220.0 kDa
Excluded volume excluded_volume22567 ų
Envelope volume envelope_volume35337 ų
Hydration-shell volume shell_volume17187 ų
Envelope diameter envelope_diameter61.5
Shell Rg shell_rg23.42
Envelope Rg envelope_rg17.58
Shape Rg shape_rg17.22
Total Rg total_rg18.02
Total atoms total_atoms1764
Residues n_residues204
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 dmax61.6
Rg (real space) rg_real18.13
Rg uncertainty (real space) rg_real_error0.34
I(0) (real space) i0_real2.0410e+07
I(0) uncertainty (real space) i0_real_error2.7760e+05
Rg (reciprocal space) rg_reciprocal18.14
I(0) (reciprocal space) i0_reciprocal20410000.0000
Solution quality estimate total_estimate0.7046
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary21.6
Skewness Skewness skewness0.318
Kurtosis Kurtosis kurtosis-0.250
Angular range angular_range— – 0.4400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4270000.0000
Real-space data points n_real_points75
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.783; Stabil: 1.000; Sysdev: 0.275; Positv: 1.000; Valcen: 0.998; Smooth: 0.985

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)