3imd

Crystal Structure of the Grb2 SH2 Domain in Complex with a Flexible Ac-pY-Q-N-NH2 Tripeptide Mimic

Method: X-RAY DIFFRACTION Dmax: 60.4 Å Quality: GOOD

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 53–163 Fragment:SH2 domain FYQ N~2~-{(2R)-4-(methylamino)-4-oxo-2-[4-(phosphonooxy)benzyl]butanoyl}-L-glutaminyl-L-aspartamide × 1 CL CHLORIDE ION × 3 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;298 K;Ligand in lyphilized powder form was dissolved in a 9.1 mg/mL solution of Grb2 SH2 in water such to give a protein/ligand molar ratio of 2:1. 3 uL of this solution was mixed with 4 uL of 0.2 M MgCl2 x 6H2O, 30% w/v PEG MW4000, 0.1 M TRIS, pH 8.5 to create the hanging drop, which yielded crystals of the protein-ligand complex in the presence of the above-mentioned solution after four weeks at room temperature., VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 2.00 Å R-free 0.237
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 53–163 Fragment:SH2 domain FYQ N~2~-{(2R)-4-(methylamino)-4-oxo-2-[4-(phosphonooxy)benzyl]butanoyl}-L-glutaminyl-L-aspartamide × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;298 K;Ligand in lyphilized powder form was dissolved in a 9.1 mg/mL solution of Grb2 SH2 in water such to give a protein/ligand molar ratio of 2:1. 3 uL of this solution was mixed with 4 uL of 0.2 M MgCl2 x 6H2O, 30% w/v PEG MW4000, 0.1 M TRIS, pH 8.5 to create the hanging drop, which yielded crystals of the protein-ligand complex in the presence of the above-mentioned solution after four weeks at room temperature., VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 2.00 Å R-free 0.237
3 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 53–163 Chain B; UniProt 53–163 Fragment:SH2 domain FYQ N~2~-{(2R)-4-(methylamino)-4-oxo-2-[4-(phosphonooxy)benzyl]butanoyl}-L-glutaminyl-L-aspartamide × 2 CL CHLORIDE ION × 4 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;298 K;Ligand in lyphilized powder form was dissolved in a 9.1 mg/mL solution of Grb2 SH2 in water such to give a protein/ligand molar ratio of 2:1. 3 uL of this solution was mixed with 4 uL of 0.2 M MgCl2 x 6H2O, 30% w/v PEG MW4000, 0.1 M TRIS, pH 8.5 to create the hanging drop, which yielded crystals of the protein-ligand complex in the presence of the above-mentioned solution after four weeks at room temperature., VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 2.00 Å R-free 0.237

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 101 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 3imd

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3imd
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3imd
Deposition date deposition_date2009-08-10
Structure title titleCrystal Structure of the Grb2 SH2 Domain in Complex with a Flexible Ac-pY-Q-N-NH2 Tripeptide Mimic
Keywords keywords;ligand preorganization, peptide mimics, Golgi apparatus, Host-virus interaction, Phosphoprotein, SH2 domain, SIGNALING PROTEIN, SIGNALING PROTEIN-pseudopeptide ligand complex, SIGNALING PROTEIN-PEPTIDE COMPLEX ;; SIGNALING PROTEIN/PEPTIDE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier18.59
Radius of gyration Rg (electron density) rg_electron17.36
Forward intensity I(0) i011245400.00
Molecular weight molecular_weight24760.0 kDa
Excluded volume excluded_volume30876 ų
Envelope volume envelope_volume35763 ų
Hydration-shell volume shell_volume17268 ų
Envelope diameter envelope_diameter58.7
Shell Rg shell_rg23.40
Envelope Rg envelope_rg17.66
Shape Rg shape_rg17.31
Total Rg total_rg18.42
Total atoms total_atoms1745
Residues n_residues202
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 dmax60.4
Rg (real space) rg_real18.53
Rg uncertainty (real space) rg_real_error0.39
I(0) (real space) i0_real1.1250e+07
I(0) uncertainty (real space) i0_real_error1.5020e+05
Rg (reciprocal space) rg_reciprocal18.54
I(0) (reciprocal space) i0_reciprocal11250000.0000
Solution quality estimate total_estimate0.8097
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary22.4
Skewness Skewness skewness0.279
Kurtosis Kurtosis kurtosis-0.335
Angular range angular_range— – 0.4300 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2555000.0000
Real-space data points n_real_points74
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.841; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3imda_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.93 — SH2-like
Superfamily Superfamily superfamilyd.93.1 — SH2 domain
Family Family familyd.93.1.1 — SH2 domain
Domain ID domain_idd3imdb_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.93 — SH2-like
Superfamily Superfamily superfamilyd.93.1 — SH2 domain
Family Family familyd.93.1.1 — SH2 domain

CATH v4.4 (2 domains)

Domain ID domain_id3imdA00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology505 — SHC Adaptor Protein
Homologous superfamily homologous superfamily10 — SH2 domain
Domain ID domain_id3imdB00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology505 — SHC Adaptor Protein
Homologous superfamily homologous superfamily10 — SH2 domain

8. Citations (2)

9. Files and Curves (10)