Biological Assembly 1  

 3D View: Structure | Electron Density | Ligand Interaction

Standalone Viewers  
Protein Workshop | Ligand Explorer

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - AB 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: authors reported there is no experimental evidence

Macromolecule Content

• Total Structure Weight: 33430.50 
• Atom Count: 2187 
• Residue Count: 304 
• Unique protein chains: 2

6HAR

Crystal structure of Mesotrypsin in complex with APPI-M17C/I18F/F34C

• DOI: 10.2210/pdb6HAR/pdb

• Classification: PROTEIN FIBRIL
• Organism(s): Homo sapiens
• Expression System: Escherichia coli, Komagataella phaffii GS115
• Mutation(s): 3 


• Deposited: 2018-08-08 Released: 2019-02-06 
• Deposition Author(s): Shahar, A., Cohen, I., Radisky, E., Papo, N.
• Funding Organization(s): US-Israel Binational Science Foundation (BSF) 

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.497 Å
• R-Value Free: 0.193 
• R-Value Work: 0.169 

Literature

Disulfide engineering of human Kunitz-type serine protease inhibitors enhances proteolytic stability and target affinity toward mesotrypsin.

Cohen, I., Coban, M., Shahar, A., Sankaran, B., Hockla, A., Lacham, S., Caulfield, T.R., Radisky, E.S., Papo, N.

(2019) J. Biol. Chem. --: --

• PubMed: 30700553 
• Primary Citation of Related Structures:  
  6BX8

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
PRSS3 protein	A	224	Homo sapiens	Mutation(s): 0  Gene Names: PRSS3
Find proteins for Q8N2U3 (Homo sapiens) Go to Gene View: PRSS3 Go to UniProtKB:  Q8N2U3

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details
Amyloid-beta A4 protein	E	80	Homo sapiens	Mutation(s): 3  Gene Names: APP
Find proteins for H7C0V9 (Homo sapiens) Go to Gene View: APP Go to UniProtKB:  H7C0V9

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram & Interactions
CA	A	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N
EDO	A	1,2-ETHANEDIOL ETHYLENE GLYCOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.497 Å
• R-Value Free: 0.193 
• R-Value Work: 0.169 
• Space Group: P 1 2₁ 1

Unit Cell:

Length (Å)	Angle (°)
a = 34.091	α = 90.00
b = 82.781	β = 93.63
c = 46.559	γ = 90.00

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Deposited Date: 2018-08-08 
• Released Date: 2019-02-06 
• Deposition Author(s): Shahar, A., Cohen, I., Radisky, E., Papo, N.

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Funding Organization	Location	Grant Number
US-Israel Binational Science Foundation (BSF)		2015134

Revision History 

• Version 1.0: 2019-02-06
  Type: Initial release
• Version 1.1: 2019-02-13
  Type: Data collection, Database references