1Q2L

Crystal Structure of pitrilysin

• PDB DOI: https://doi.org/10.2210/pdb1Q2L/pdb

• Classification: HYDROLASE
• Organism(s): Escherichia coli str. K-12 substr. W3110
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2003-07-25 Released: 2005-05-17 
• Deposition Author(s): Maskos, K., Jozic, D., Fernandez-Catalan, C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.250 
• R-Value Work: 0.210 

Literature

Crystal Structure of pitrilysin, the prototype of insulin-degrading enzymes

Maskos, K., Jozic, D., Fernandez-Catalan, C.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 106.46 kDa 
• Atom Count: 8,967 
• Modelled Residue Count: 937 
• Deposited Residue Count: 939 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Protease III	A	939	Escherichia coli str. K-12 substr. W3110	Mutation(s): 0  EC: 3.4.24.55
UniProt
Find proteins for P05458 (Escherichia coli (strain K12)) Explore P05458  Go to UniProtKB:  P05458

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PT	C [auth A], D [auth A], E [auth A], F [auth A], G [auth A], H [auth A]	PLATINUM (II) ION Pt HRGDZIGMBDGFTC-UHFFFAOYSA-N
ZN	B [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.250 
• R-Value Work: 0.210 
• Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 115.2	α = 90
b = 115.2	β = 90
c = 178.5	γ = 120

Software Package:

Software Name	Purpose
X-PLOR	refinement
SCALEPACK	data scaling
REFMAC	refinement
DENZO	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-05-17 
Deposition Author(s): Maskos, K., Jozic, D., Fernandez-Catalan, C.

Revision History  

• Version 1.0: 2005-05-17
  Type: Initial release
  
• Version 1.1: 2007-10-16
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Source and taxonomy, Version format compliance
• Version 1.3: 2019-07-24
  Changes: Advisory, Data collection, Refinement description
• Version 1.4: 2024-02-14
  Changes: Advisory, Data collection, Database references, Derived calculations