5wi6

Human beta-1 tryptase mutant Ile99Cys

Method: X-RAY DIFFRACTION Dmax: 101.8 Å Quality: EXCELLENT

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 homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) 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 Mutation:I118C SO4 SULFATE ION × 7 0GJ L-alpha-glutamyl-N-{(1S)-4-{[amino(iminio)methyl]amino}-1-[(1S)-2-chloro-1-hydroxyethyl]butyl}glycinamide × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4.6;292 K;ammonium sulfate, polyethylene glycol 1500 Resolution 2.72 Å R-free 0.227

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 1–245; UniProt 31–275 Author chain B; PDBConstruct 1–245; UniProt 31–275 Author chain C; PDBConstruct 1–245; UniProt 31–275 Author chain D; PDBConstruct 1–245; 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 5wi6

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5wi6
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5wi6
Deposition date deposition_date2017-07-18
Structure title titleHuman beta-1 tryptase mutant Ile99Cys
Keywords keywordsdisulfide mutation, HYDROLASE, hydrolase-hydrolase inhibitor complex; hydrolase/hydrolase inhibitor
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier33.34
Radius of gyration Rg (electron density) rg_electron32.82
Forward intensity I(0) i0373733000.00
Molecular weight molecular_weight103280.0 kDa
Excluded volume excluded_volume99465 ų
Envelope volume envelope_volume177170 ų
Hydration-shell volume shell_volume43705 ų
Envelope diameter envelope_diameter102.9
Shell Rg shell_rg41.21
Envelope Rg envelope_rg31.91
Shape Rg shape_rg32.85
Total Rg total_rg33.24
Total atoms total_atoms7803
Residues n_residues896
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 dmax101.8
Rg (real space) rg_real33.19
Rg uncertainty (real space) rg_real_error0.76
I(0) (real space) i0_real3.7370e+08
I(0) uncertainty (real space) i0_real_error5.8260e+06
Rg (reciprocal space) rg_reciprocal33.28
I(0) (reciprocal space) i0_reciprocal373800000.0000
Solution quality estimate total_estimate0.9080
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary49.8
Skewness Skewness skewness0.038
Kurtosis Kurtosis kurtosis-0.734
Angular range angular_range— – 0.2350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha79800000.0000
Real-space data points n_real_points48
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.946; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.961

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_idd5wi6a_
Class classb — All beta proteins
Fold Fold foldb.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamilyb.47.1 — Trypsin-like serine proteases
Family Family familyb.47.1.2 — Eukaryotic proteases
Domain ID domain_idd5wi6b_
Class classb — All beta proteins
Fold Fold foldb.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamilyb.47.1 — Trypsin-like serine proteases
Family Family familyb.47.1.2 — Eukaryotic proteases
Domain ID domain_idd5wi6c_
Class classb — All beta proteins
Fold Fold foldb.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamilyb.47.1 — Trypsin-like serine proteases
Family Family familyb.47.1.2 — Eukaryotic proteases
Domain ID domain_idd5wi6d_
Class classb — All beta proteins
Fold Fold foldb.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamilyb.47.1 — Trypsin-like serine proteases
Family Family familyb.47.1.2 — Eukaryotic proteases

CATH v4.4 (4 domains)

Domain ID domain_id5wi6A02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id5wi6B02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id5wi6C02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id5wi6D02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases

8. Citations (1)

9. Files and Curves (10)