7ZL5

Azosemide in complex with Carbonic Anhydrase I

• PDB DOI: https://doi.org/10.2210/pdb7ZL5/pdb

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


• Deposited: 2022-04-14 Released: 2023-04-26 
• Deposition Author(s): Angeli, A., Ferraroni, M.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.48 Å
• R-Value Free: 0.214 
• R-Value Work: 0.184 

Starting Model: experimental

Literature

Sulfonamide diuretic azosemide as an efficient carbonic anhydrase inhibitor

Ferraroni, M., Angeli, A., Pinteala, M., Supuran, C.T.

(2022) J Mol Struct 1268: 133672

• DOI: https://doi.org/10.1016/j.molstruc.2022.133672

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 58.76 kDa 
• Atom Count: 4,460 
• Modelled Residue Count: 512 
• Deposited Residue Count: 522 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Carbonic anhydrase 1	A [auth AAA], B [auth BBB]	261	Homo sapiens	Mutation(s): 0  Gene Names: CA1 EC: 4.2.1.1 (PDB Primary Data), 4.2.1.69 (UniProt)
UniProt & NIH Common Fund Data Resources
Find proteins for P00915 (Homo sapiens) Explore P00915  Go to UniProtKB:  P00915
PHAROS:  P00915 GTEx:  ENSG00000133742

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
IWE (Subject of Investigation/LOI)	E [auth AAA], G [auth BBB]	Azosemide C12 H11 Cl N6 O2 S2 HMEDEBAJARCKCT-UHFFFAOYSA-N
DMS	D [auth AAA]	DIMETHYL SULFOXIDE C2 H6 O S IAZDPXIOMUYVGZ-UHFFFAOYSA-N
ZN	C [auth AAA], F [auth BBB]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.48 Å
• R-Value Free: 0.214 
• R-Value Work: 0.184 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 63.23	α = 90
b = 71.78	β = 90
c = 120.94	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-04-26 
Deposition Author(s): Angeli, A., Ferraroni, M.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2023-04-26
  Type: Initial release
  
• Version 1.1: 2023-11-08
  Changes: Data collection, Database references
• Version 1.2: 2024-02-07
  Changes: Refinement description