7NTB

Crystal structure of human carbonic anhydrase with a benzophenone-derivative

• PDB DOI: https://doi.org/10.2210/pdb7NTB/pdb

• Classification: LYASE
• Organism(s): Homo sapiens
• Mutation(s): No 


• Deposited: 2021-03-09 Released: 2022-03-16 
• Deposition Author(s): Di Fiore, A., De Simone, G.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.217 
• R-Value Work: 0.173 

Starting Model: experimental

Literature

Interaction Studies between Carbonic Anhydrase and a Sulfonamide Inhibitor by Experimental and Theoretical Approaches

Pagnozzi, D., Pala, N., Biosa, G., Dallocchio, R., Dessi, A., Singh, P.K., Rogolino, D., Di Fiore, A., De Simone, G., Supuran, C.T., Sechi, M.

(2022) ACS Med Chem Lett 13: 271-277

• DOI: https://doi.org/10.1021/acsmedchemlett.1c00644

Biological Assembly 1  

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

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

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 29.94 kDa 
• Atom Count: 2,423 
• Modelled Residue Count: 258 
• Deposited Residue Count: 259 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Carbonic anhydrase 2	A	259	Homo sapiens	Mutation(s): 0  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 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
URH (Subject of Investigation/LOI)	C [auth A]	~{N}-[[4-(phenylcarbonyl)phenyl]methyl]-4-sulfamoyl-benzamide C21 H18 N2 O4 S DCTGUISEDAHGJU-UHFFFAOYSA-N
MBO (Subject of Investigation/LOI)	D [auth A]	MERCURIBENZOIC ACID C7 H5 Hg O2 FVFZSVRSDNUCGG-UHFFFAOYSA-N
ZN	B [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.217 
• R-Value Work: 0.173 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.14	α = 90
b = 41.31	β = 104.39
c = 72.1	γ = 90

Software Package:

Software Name	Purpose
SCALEPACK	data scaling
CNS	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2022-03-16 
Deposition Author(s): Di Fiore, A., De Simone, G.

Revision History  

• Version 1.0: 2022-03-16
  Type: Initial release
  
• Version 1.1: 2024-01-31
  Changes: Data collection, Refinement description