8vgj

CryoEM structure of tryptase in complex with engineered conformationally rigid anti-tryptase Fab E104.v1.4DS

Method: ELECTRON MICROSCOPY Dmax: 167.1 Å Quality: GOOD

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

Tryptase alpha/beta-1

Homo sapiens

UniProt Q15661

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 × 12 PDB declaration: dodecameric(12) Consistent with protein copy count Chain A; UniProt 31–275 Chain B; UniProt 31–275 Chain C; UniProt 31–275 Chain D; UniProt 31–275 Not recorded Fab E104.v1.4DS light chain × 4 Fab E104.v1.4DS heavy chain × 4 ELECTRON MICROSCOPY cryo-EM buffer:pH 5.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.50 Å

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.

14 other PDB entries and 20 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TRYB1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 16–260; UniProt 31–275 Author chain B; PDBConstruct 16–260; UniProt 31–275 Author chain C; PDBConstruct 16–260; UniProt 31–275 Author chain D; PDBConstruct 16–260; UniProt 31–275

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 8vgj

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id8vgj
Deposition date deposition_date2023-12-27
Structure title titleCryoEM structure of tryptase in complex with engineered conformationally rigid anti-tryptase Fab E104.v1.4DS
Keywords keywordsantibody fragment, fab, protein engineering, tryptase, HYDROLASE-IMMUNE SYSTEM complex; HYDROLASE/IMMUNE SYSTEM
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier49.66
Radius of gyration Rg (electron density) rg_electron49.75
Forward intensity I(0) i01248610000.00
Molecular weight molecular_weight291090.0 kDa
Excluded volume excluded_volume363490 ų
Envelope volume envelope_volume548380 ų
Hydration-shell volume shell_volume94667 ų
Envelope diameter envelope_diameter177.3
Shell Rg shell_rg52.54
Envelope Rg envelope_rg47.75
Shape Rg shape_rg49.72
Total Rg total_rg49.96
Total atoms total_atoms20480
Residues n_residues2548
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 dmax167.1
Rg (real space) rg_real49.75
Rg uncertainty (real space) rg_real_error1.48
I(0) (real space) i0_real1.2490e+09
I(0) uncertainty (real space) i0_real_error2.4900e+07
Rg (reciprocal space) rg_reciprocal49.67
I(0) (reciprocal space) i0_reciprocal1248000000.0000
Solution quality estimate total_estimate0.8269
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary62.7
Skewness Skewness skewness0.486
Kurtosis Kurtosis kurtosis0.105
Angular range angular_range— – 0.1600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha88110000.0000
Real-space data points n_real_points33
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.690; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.994; Smooth: 0.683

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)