4mpx

Human beta-tryptase co-crystal structure with [(1,1,3,3-tetramethyldisiloxane-1,3-diyl)di-1-benzothiene-4,2-diyl]bis({4-[3-(aminomethyl)phenyl]piperidin-1-yl}methanone)

Method: X-RAY DIFFRACTION Dmax: 82.2 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 homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 31–275 Chain B; UniProt 31–275 Fragment:UNP residues 31-275 SO4 SULFATE ION × 10 CL CHLORIDE ION × 4 PGE TRIETHYLENE GLYCOL × 4 2AV [(1,1,3,3-tetramethyldisiloxane-1,3-diyl)di-1-benzothiene-4,2-diyl]bis({4-[3-(aminomethyl)phenyl]piperidin-1-yl}methanone) × 2 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4.6;298 K;1.9 mg/mL protein incubated with compound 6A 30 minutes on ice prior to setup with 30% PEG1500, 0.1 M sodium acetate, pH 4.6, 0.2 M ammonium sulfate, VAPOR DIFFUSION, SITTING DROP, temperature 298K Resolution 2.00 Å R-free 0.233
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 31–275 Chain B; UniProt 31–275 Fragment:UNP residues 31-275 SO4 SULFATE ION × 5 CL CHLORIDE ION × 2 PGE TRIETHYLENE GLYCOL × 2 2AV [(1,1,3,3-tetramethyldisiloxane-1,3-diyl)di-1-benzothiene-4,2-diyl]bis({4-[3-(aminomethyl)phenyl]piperidin-1-yl}methanone) × 1 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4.6;298 K;1.9 mg/mL protein incubated with compound 6A 30 minutes on ice prior to setup with 30% PEG1500, 0.1 M sodium acetate, pH 4.6, 0.2 M ammonium sulfate, VAPOR DIFFUSION, SITTING DROP, temperature 298K Resolution 2.00 Å R-free 0.233

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 19 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

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 4mpx

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4mpx
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4mpx
Deposition date deposition_date2013-09-13
Structure title titleHuman beta-tryptase co-crystal structure with [(1,1,3,3-tetramethyldisiloxane-1,3-diyl)di-1-benzothiene-4,2-diyl]bis({4-[3-(aminomethyl)phenyl]piperidin-1-yl}methanone)
Keywords keywords;coferon, alpha-hydroxyketone, small molecule inhibitor, drug discovery, self-assembly, crystal catalysis, silanol, 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_guinier25.11
Radius of gyration Rg (electron density) rg_electron24.55
Forward intensity I(0) i052411400.00
Molecular weight molecular_weight56021.0 kDa
Excluded volume excluded_volume69819 ų
Envelope volume envelope_volume81749 ų
Hydration-shell volume shell_volume27667 ų
Envelope diameter envelope_diameter86.0
Shell Rg shell_rg31.96
Envelope Rg envelope_rg24.59
Shape Rg shape_rg24.58
Total Rg total_rg25.26
Total atoms total_atoms3936
Residues n_residues485
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 dmax82.2
Rg (real space) rg_real25.11
Rg uncertainty (real space) rg_real_error0.50
I(0) (real space) i0_real5.2410e+07
I(0) uncertainty (real space) i0_real_error7.6000e+05
Rg (reciprocal space) rg_reciprocal25.11
I(0) (reciprocal space) i0_reciprocal52410000.0000
Solution quality estimate total_estimate0.8915
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary27.4
Skewness Skewness skewness0.360
Kurtosis Kurtosis kurtosis-0.389
Angular range angular_range— – 0.3150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha13460000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.876; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.969; Smooth: 0.988

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd4mpxa_
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_idd4mpxb_
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_id4mpxA01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id4mpxA02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id4mpxB01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id4mpxB02
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)