1OX1 | pdb_00001ox1

crystal structure of the bovine trypsin complex with a synthetic 11 peptide inhibitor

• PDB DOI: https://doi.org/10.2210/pdb1OX1/pdb

• Classification: HYDROLASE
• Organism(s): Bos taurus
• Mutation(s): No 


• Deposited: 2003-03-31 Released: 2004-05-18 
• Deposition Author(s): Wu, G., Huang, Y., Zhu, G., Huang, Q., Tang, Y., Miyake, H., Kusunoki, M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 
  0.185 (Depositor), 0.185 (DCC) 
• R-Value Work: 
  0.162 (Depositor), 0.162 (DCC) 
• R-Value Observed: 
  0.162 (Depositor) 

Starting Model: experimental

Literature

crystal structure of the bovine trypsin complex with a synthetic 11 peptide inhibitor

Wu, G., Huang, Y., Zhu, G., Huang, Q., Tang, Y., Miyake, H., Kusunoki, M.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

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

Macromolecule Content 

• Total Structure Weight: 24.62 kDa 
• Atom Count: 1,844 
• Modeled Residue Count: 233 
• Deposited Residue Count: 234 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Trypsinogen, cationic	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

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
11-mer peptide	B	11	N/A	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	C [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free:  0.185 (Depositor), 0.185 (DCC) 
• R-Value Work:  0.162 (Depositor), 0.162 (DCC) 
• R-Value Observed: 0.162 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 63.7	α = 90
b = 63.14	β = 90
c = 69.47	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
CCP4	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2004-05-18 
Deposition Author(s): Wu, G., Huang, Y., Zhu, G., Huang, Q., Tang, Y., Miyake, H., Kusunoki, M.

Revision History  

• Version 1.0: 2004-05-18
  Type: Initial release
  
• Version 1.1: 2008-04-29
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-10-11
  Changes: Refinement description
• Version 1.4: 2023-10-25
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.5: 2024-11-13
  Changes: Structure summary