3M2Z

Fragment tethered to Carbonic Anhydrase II H64C mutant

• PDB DOI: https://doi.org/10.2210/pdb3M2Z/pdb

• Classification: LYASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2010-03-08 Released: 2011-07-06 
• Deposition Author(s): Schulze Wischeler, J., Heine, A., Klebe, G.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.220 
• R-Value Work: 0.167 
• R-Value Observed: 0.184 

Starting Model: other

Literature

Fragment screening on Carbonic Anydrase II via Tethering approach

Schulze Wischeler, J., Brass, S., Linne, U., Heine, A., Klebe, G.

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)

Macromolecule Content

• Total Structure Weight: 30.08 kDa 
• Atom Count: 2,242 
• Modelled Residue Count: 257 
• Deposited Residue Count: 265 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Carbonic anhydrase 2	A	265	Homo sapiens	Mutation(s): 1  Gene Names: CA2 EC: 4.2.1.1 (PDB Primary Data), 4.2.1.69 (UniProt)
UniProt & NIH Common Fund Data Resources
Find proteins for P00918 (Homo sapiens) Explore P00918  Go to UniProtKB:  P00918
PHAROS:  P00918 GTEx:  ENSG00000104267

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
BFE	C [auth A]	N-(2-sulfanylethyl)benzamide C9 H11 N O S VQLAUZQBHULEDZ-UHFFFAOYSA-N
ZN	B [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
CO3	D [auth A]	CARBONATE ION C O3 BVKZGUZCCUSVTD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.220 
• R-Value Work: 0.167 
• R-Value Observed: 0.184 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.4	α = 90
b = 41.5	β = 104
c = 72.5	γ = 90

Software Package:

Software Name	Purpose
SHELXL-97	refinement
CNS	refinement
MAR345	data collection
HKL-2000	data reduction
HKL-2000	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-07-06 
Deposition Author(s): Schulze Wischeler, J., Heine, A., Klebe, G.

Revision History  

• Version 1.0: 2011-07-06
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-11-08
  Changes: Refinement description
• Version 1.3: 2019-07-17
  Changes: Data collection, Derived calculations, Refinement description
• Version 1.4: 2021-10-06
  Changes: Database references, Derived calculations
• Version 1.5: 2024-04-03
  Changes: Data collection, Refinement description
• Version 1.6: 2024-11-06
  Changes: Structure summary