8ADT | pdb_00008adt

Rational design of a calcium-independent trypsin variant

• PDB DOI: https://doi.org/10.2210/pdb8ADT/pdb

• Classification: HYDROLASE
• Organism(s): Bos taurus
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2022-07-11 Released: 2022-09-14 
• Deposition Author(s): Simon, A.H., Liebscher, S., Kattner, A., Kattner, C., Bordusa, F.
• Funding Organization(s): Not funded

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.40 Å
• R-Value Free: 
  0.205 (Depositor), 0.231 (DCC) 
• R-Value Work: 
  0.193 (Depositor) 
• R-Value Observed: 
  0.194 (Depositor) 

Starting Model: experimental

Literature

Rational Design of a Calcium-Independent Trypsin Variant

Simon, A.H., Liebscher, S., Kattner, A., Kattner, C., Bordusa, F.

(2022) Catalysts 12

• DOI: https://doi.org/10.3390/catal12090990

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

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

Macromolecule Content 

• Total Structure Weight: 23.26 kDa 
• Atom Count: 1,760 
• Modeled Residue Count: 216 
• Deposited Residue Count: 223 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Serine protease 1	A	223	Bos taurus	Mutation(s): 3  Gene Names: PRSS1, TRP1, TRY1, TRYP1 EC: 3.4.21.4
UniProt
Find proteins for P00760 (Bos taurus) Explore P00760  Go to UniProtKB:  P00760

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.40 Å
• R-Value Free:  0.205 (Depositor), 0.231 (DCC) 
• R-Value Work:  0.193 (Depositor) 
• R-Value Observed: 0.194 (Depositor) 

Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 57.473	α = 90
b = 57.473	β = 90
c = 105.01	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2022-09-14 
Deposition Author(s): Simon, A.H., Liebscher, S., Kattner, A., Kattner, C., Bordusa, F.

---

Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2022-09-14
  Type: Initial release
  
• Version 1.1: 2024-01-31
  Changes: Data collection, Refinement description
• Version 1.2: 2024-11-06
  Changes: Structure summary