8g4k

Complex of TbRII mini protein binder bound to the TbRII ECD

Method: X-RAY DIFFRACTION Dmax: 65.8 Å Quality: GOOD

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

TGF-beta receptor type-2

Homo sapiens

UniProt P37173

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 B; UniProt 46–155 Fragment:ECD (UNP residues 46-155) 5HCS_TGFBR2_1 × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.4;300 K;20% PEG5000 MME, 0.2-0.4 M ammonium sulfate, 0.1 M Tris, pH 7.4, 16-32% glycerol Resolution 1.24 Å R-free 0.196

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.

21 other PDB entries and 24 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TGFR2_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 2–111; UniProt 46–155

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 8g4k

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8g4k
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8g4k
Deposition date deposition_date2023-02-09
Structure title titleComplex of TbRII mini protein binder bound to the TbRII ECD
Keywords keywordsTbRII, TGF-b type II receptor, Computationally designed mini protein binder, MPB, SIGNALING PROTEIN; SIGNALING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier18.73
Radius of gyration Rg (electron density) rg_electron17.86
Forward intensity I(0) i010648100.00
Molecular weight molecular_weight24088.0 kDa
Excluded volume excluded_volume30152 ų
Envelope volume envelope_volume35463 ų
Hydration-shell volume shell_volume16813 ų
Envelope diameter envelope_diameter63.1
Shell Rg shell_rg23.85
Envelope Rg envelope_rg18.28
Shape Rg shape_rg17.91
Total Rg total_rg18.67
Total atoms total_atoms3366
Residues n_residues212
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 dmax65.8
Rg (real space) rg_real18.70
Rg uncertainty (real space) rg_real_error0.55
I(0) (real space) i0_real1.0650e+07
I(0) uncertainty (real space) i0_real_error1.5920e+05
Rg (reciprocal space) rg_reciprocal18.71
I(0) (reciprocal space) i0_reciprocal10650000.0000
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_primary22.5
Skewness Skewness skewness0.323
Kurtosis Kurtosis kurtosis-0.315
Angular range angular_range— – 0.4250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3057000.0000
Real-space data points n_real_points74
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.725; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.958; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)