3k2m

Crystal Structure of Monobody HA4/Abl1 SH2 Domain Complex

Method: X-RAY DIFFRACTION Dmax: 87.0 Å Quality: GOOD

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

Proto-oncogene tyrosine-protein kinase ABL1

Homo sapiens

UniProt P00519

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 121–232 Fragment:SH2 Domain (UNP residues 121-232) Monobody HA4 × 1 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;293 K;30% PEG 4000, 0.2M sodium acetate trihydrate, 0.1M Tris hydrochloride, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 1.75 Å R-free 0.221
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 121–232 Fragment:SH2 Domain (UNP residues 121-232) Monobody HA4 × 1 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;293 K;30% PEG 4000, 0.2M sodium acetate trihydrate, 0.1M Tris hydrochloride, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 1.75 Å R-free 0.221

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.

80 other PDB entries and 155 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ABL1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–112; UniProt 121–232 Author chain B; PDBConstruct 1–112; UniProt 121–232

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 3k2m

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3k2m
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3k2m
Deposition date deposition_date2009-09-30
Structure title titleCrystal Structure of Monobody HA4/Abl1 SH2 Domain Complex
Keywords keywords;Engineered Binding Protein, Antibody Mimic, Protein-Protein complex, SH2 domain, ATP-binding, Phosphoprotein, Tyrosine-protein kinase, SIGNALING PROTEIN, SIGNALING PROTEIN-PROTEIN BINDING COMPLEX ;; SIGNALING PROTEIN/PROTEIN BINDING
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.46
Radius of gyration Rg (electron density) rg_electron23.81
Forward intensity I(0) i033840300.00
Molecular weight molecular_weight43901.0 kDa
Excluded volume excluded_volume54481 ų
Envelope volume envelope_volume66526 ų
Hydration-shell volume shell_volume24427 ų
Envelope diameter envelope_diameter91.2
Shell Rg shell_rg29.85
Envelope Rg envelope_rg23.71
Shape Rg shape_rg23.80
Total Rg total_rg24.56
Total atoms total_atoms3099
Residues n_residues399
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 dmax87.0
Rg (real space) rg_real24.55
Rg uncertainty (real space) rg_real_error0.83
I(0) (real space) i0_real3.3840e+07
I(0) uncertainty (real space) i0_real_error5.0770e+05
Rg (reciprocal space) rg_reciprocal24.53
I(0) (reciprocal space) i0_reciprocal33840000.0000
Solution quality estimate total_estimate0.8428
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary27.6
Skewness Skewness skewness0.492
Kurtosis Kurtosis kurtosis-0.067
Angular range angular_range— – 0.3250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7976000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.704; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.850; Smooth: 0.991

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd3k2ma_
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_idd3k2mb_
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_idd3k2mc_
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.2 — Fibronectin type III
Family Family familyb.1.2.0 — automated matches
Domain ID domain_idd3k2md_
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.2 — Fibronectin type III
Family Family familyb.1.2.0 — automated matches

CATH v4.4 (4 domains)

Domain ID domain_id3k2mA00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology505 — SHC Adaptor Protein
Homologous superfamily homologous superfamily10 — SH2 domain
Domain ID domain_id3k2mB00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology505 — SHC Adaptor Protein
Homologous superfamily homologous superfamily10 — SH2 domain
Domain ID domain_id3k2mC00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id3k2mD00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)