2TPI | pdb_00002tpi

ON THE DISORDERED ACTIVATION DOMAIN IN TRYPSINOGEN. CHEMICAL LABELLING AND LOW-TEMPERATURE CRYSTALLOGRAPHY

• PDB DOI: https://doi.org/10.2210/pdb2TPI/pdb

• Classification: Hydrolase/hydrolase INHIBITOR
• Organism(s): Bos taurus
• Mutation(s): No 


• Deposited: 1981-10-26 Released: 1982-03-04 
• Deposition Author(s): Walter, J., Steigemann, W., Singh, T.P., Bartunik, H., Bode, W., Huber, R.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Work: 
  0.200 (Depositor), 0.210 (DCC) 

Literature

On the Disordered Activation Domain in Trypsinogen. Chemical Labelling and Low-Temperature Crystallography

Walter, J., Steigemann, W., Singh, T.P., Bartunik, H., Bode, W., Huber, R.

(1982) Acta Crystallogr B 38: 1462-1472

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: 30.99 kDa 
• Atom Count: 2,214 
• Modeled Residue Count: 277 
• Deposited Residue Count: 287 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
TRYPSINOGEN	A [auth Z]	229	Bos taurus	Mutation(s): 0  Gene Names: PRSS1 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
TRYPSIN INHIBITOR	B [auth I]	58	Bos taurus	Mutation(s): 0
UniProt
Find proteins for P00974 (Bos taurus) Explore P00974  Go to UniProtKB:  P00974

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HG	E [auth Z]	MERCURY (II) ION Hg BQPIGGFYSBELGY-UHFFFAOYSA-N
ILE	C [auth Z]	ISOLEUCINE C6 H13 N O2 AGPKZVBTJJNPAG-WHFBIAKZSA-N
VAL	D [auth Z]	VALINE C5 H11 N O2 KZSNJWFQEVHDMF-BYPYZUCNSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Work:  0.200 (Depositor), 0.210 (DCC) 

Space Group: I 2 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 75.67	α = 90
b = 84.16	β = 90
c = 122.89	γ = 90

Structure Validation

Entry History 

Deposition Data

• Released Date: 1982-03-04 
Deposition Author(s): Walter, J., Steigemann, W., Singh, T.P., Bartunik, H., Bode, W., Huber, R.

Revision History  

• Version 1.0: 1982-03-04
  Type: Initial release
  
• Version 1.1: 2008-03-03
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2024-06-05
  Changes: Data collection, Database references, Derived calculations, Other
• Version 1.4: 2024-11-13
  Changes: Structure summary