5c67

Human Mesotrypsin in complex with amyloid precursor protein inhibitor variant APPI-M17G/I18F/F34V

Method: X-RAY DIFFRACTION Dmax: 93.9 Å Quality: GOOD

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

Trypsin-3

Homo sapiens

UniProt P35030

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 81–304 Mutation:S257A Amyloid beta A4 protein × 1 (P05067) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;298 K;0.1 M ammonium sulfate, 0.1 M Tris pH 7.5, and 20% PEG-1000 Resolution 1.83 Å R-free 0.267
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 81–304 Mutation:S257A Amyloid beta A4 protein × 1 (P05067) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;298 K;0.1 M ammonium sulfate, 0.1 M Tris pH 7.5, and 20% PEG-1000 Resolution 1.83 Å R-free 0.267

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.

9 other PDB entries and 19 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TRY3_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–224; UniProt 81–304 Author chain B; PDBConstruct 1–224; UniProt 81–304

Amyloid beta A4 protein

Homo sapiens

UniProt P05067

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 E; UniProt 294–346 Mutation:M15G, I16F, F32V Trypsin-3 × 1 (P35030) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;298 K;0.1 M ammonium sulfate, 0.1 M Tris pH 7.5, and 20% PEG-1000 Resolution 1.83 Å R-free 0.267
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 294–346 Mutation:M15G, I16F, F32V Trypsin-3 × 1 (P35030) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;298 K;0.1 M ammonium sulfate, 0.1 M Tris pH 7.5, and 20% PEG-1000 Resolution 1.83 Å R-free 0.267

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.

211 other PDB entries and 281 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A4_HUMAN
Isoform P05067-8
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 18–70; UniProt 294–346 Author chain E; PDBConstruct 18–70; UniProt 294–346

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 5c67

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5c67
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5c67
Deposition date deposition_date2015-06-22
Structure title titleHuman Mesotrypsin in complex with amyloid precursor protein inhibitor variant APPI-M17G/I18F/F34V
Keywords keywordsAPPI, Kunitz domain, Trypsin, Hyrdolase-Hydrolase inhibitor complex; Hyrdolase/Hydrolase inhibitor
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier28.05
Radius of gyration Rg (electron density) rg_electron27.63
Forward intensity I(0) i062250400.00
Molecular weight molecular_weight59831.0 kDa
Excluded volume excluded_volume73928 ų
Envelope volume envelope_volume90382 ų
Hydration-shell volume shell_volume28296 ų
Envelope diameter envelope_diameter99.5
Shell Rg shell_rg33.45
Envelope Rg envelope_rg28.10
Shape Rg shape_rg27.63
Total Rg total_rg28.21
Total atoms total_atoms4193
Residues n_residues549
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 dmax93.9
Rg (real space) rg_real28.27
Rg uncertainty (real space) rg_real_error0.69
I(0) (real space) i0_real6.2250e+07
I(0) uncertainty (real space) i0_real_error9.0290e+05
Rg (reciprocal space) rg_reciprocal28.21
I(0) (reciprocal space) i0_reciprocal62250000.0000
Solution quality estimate total_estimate0.8525
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary92.2
Skewness Skewness skewness0.505
Kurtosis Kurtosis kurtosis-0.288
Angular range angular_range— – 0.2850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha10730000.0000
Real-space data points n_real_points58
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.815; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.877; Smooth: 0.756

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd5c67a_
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_idd5c67b_
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_idd5c67c1
Class classg — Small proteins
Fold Fold foldg.8 — BPTI-like
Superfamily Superfamily superfamilyg.8.1 — BPTI-like
Family Family familyg.8.1.1 — Small Kunitz-type inhibitors & BPTI-like toxins
Domain ID domain_idd5c67c2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd5c67e1
Class classg — Small proteins
Fold Fold foldg.8 — BPTI-like
Superfamily Superfamily superfamilyg.8.1 — BPTI-like
Family Family familyg.8.1.1 — Small Kunitz-type inhibitors & BPTI-like toxins
Domain ID domain_idd5c67e2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (6 domains)

Domain ID domain_id5c67A01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id5c67A02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id5c67B01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id5c67B02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id5c67C00
Class class4 — Few Secondary Structures
Architecture architecture10 — Irregular
Topology topology410 — Factor Xa Inhibitor
Homologous superfamily homologous superfamily10 — Pancreatic trypsin inhibitor Kunitz domain
Domain ID domain_id5c67E00
Class class4 — Few Secondary Structures
Architecture architecture10 — Irregular
Topology topology410 — Factor Xa Inhibitor
Homologous superfamily homologous superfamily10 — Pancreatic trypsin inhibitor Kunitz domain

8. Citations (1)

9. Files and Curves (10)