7NH8

Crystal structure of human carbonic anhydrase II with N-((1-(6-((3aR,7R,7aS)-7-hydroxy-2,2-dimethyltetrahydro-[1,3]dioxolo[4,5-c]pyridin-5(4H)-yl)hexyl)-1H-1,2,3-triazol-4-yl)methyl)-4-sulfamoylbenzamide

• PDB DOI: https://doi.org/10.2210/pdb7NH8/pdb

• Classification: LYASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2021-02-10 Released: 2022-02-23 
• Deposition Author(s): Angeli, A., Ferraroni, M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.37 Å
• R-Value Free: 0.190 
• R-Value Work: 0.162 

Literature

Synthesis of Azasugar-Sulfonamide conjugates and their Evaluation as Inhibitors of Carbonic Anhydrases: the Azasugar Approach to Selectivity

Pratesi, D., Sodini, A., Matassini, C., Cardona, F., Angeli, A., Carta, F., Ferraroni, M., Supuran, C.T., Goti, A.

(2021) European J Org Chem 

• DOI: https://doi.org/10.1002/ejoc.202100250

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: 29.89 kDa 
• Atom Count: 2,331 
• Modelled Residue Count: 258 
• Deposited Residue Count: 260 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Carbonic anhydrase 2	A [auth AAA]	260	Homo sapiens	Mutation(s): 0  Gene Names: CA2 EC: 4.2.1.1
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 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
UD8 (Subject of Investigation/LOI)	C [auth AAA]	N-((1-(6-((3aR,7R,7aS)-7-hydroxy-2,2-dimethyltetrahydro-[1,3]dioxolo[4,5-c]pyridin-5(4H)-yl)hexyl)-1H-1,2,3-triazol-4-yl)methyl)-4-sulfamoylbenzamide C24 H36 N6 O6 S YZQOVKMHWZRLSA-FSSWDIPSSA-N
ZN	B [auth AAA]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.37 Å
• R-Value Free: 0.190 
• R-Value Work: 0.162 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.61	α = 90
b = 41.7	β = 104.435
c = 72.63	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
REFMAC	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2022-02-23 
Deposition Author(s): Angeli, A., Ferraroni, M.

Revision History  

• Version 1.0: 2022-02-23
  Type: Initial release
  
• Version 1.1: 2022-09-07
  Changes: Database references, Derived calculations
• Version 1.2: 2024-01-31
  Changes: Data collection, Refinement description