6QIH

Pancreatic Bovine Trypsin with a boronic acid inhibitor

• PDB DOI: https://doi.org/10.2210/pdb6QIH/pdb

• Classification: BLOOD CLOTTING
• Organism(s): Bos taurus
• Mutation(s): No 


• Deposited: 2019-01-18 Released: 2020-02-05 
• Deposition Author(s): Santos-Silva, T., Correia, H.D.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.42 Å
• R-Value Free: 0.133 
• R-Value Work: 0.095 
• R-Value Observed: 0.097 

Starting Model: experimental

Literature

Pancreatic Bovine Trypsin with a boronic acid inhibitor

Santos-Silva, T., Correia, H.D.

To be published.

Biological Assembly 1  

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

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

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 24.11 kDa 
• Atom Count: 2,046 
• Modelled Residue Count: 223 
• Deposited Residue Count: 223 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cationic trypsin	A	223	Bos taurus	Mutation(s): 0  EC: 3.4.21.4
UniProt
Find proteins for P00760 (Bos taurus) Explore P00760  Go to UniProtKB:  P00760

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
J3T (Subject of Investigation/LOI)	B [auth A]	[4-[(4~{S})-4-oxidanyl-5-oxidanylidene-1,3,2-dioxaborolan-2-yl]phenyl]methyl carbamimidothioate C10 H11 B N2 O4 S OMOMPYVBIXPZLY-QMMMGPOBSA-N
PEG	H [auth A]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N
SO4	G [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	D [auth A], E [auth A], F [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
CA	C [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.42 Å
• R-Value Free: 0.133 
• R-Value Work: 0.095 
• R-Value Observed: 0.097 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 54.49	α = 90
b = 56.71	β = 90
c = 66.5	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2020-02-05 
Deposition Author(s): Santos-Silva, T., Correia, H.D.

---

Funding Organization	Location	Grant Number
	Portugal	UID/Multi/04378/2013
	Portugal	POCI-01-0145-FEDER-007728

Revision History  

• Version 1.0: 2020-02-05
  Type: Initial release
  
• Version 1.1: 2024-01-24
  Changes: Data collection, Database references, Derived calculations, Refinement description