4FRC

Carbonic Anhydrase II in complex with N'-sulfamoylpyrrolidine-1-carboximidamide

• PDB DOI: https://doi.org/10.2210/pdb4FRC/pdb

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


• Deposited: 2012-06-26 Released: 2013-07-17 
• Deposition Author(s): Di Pizio, A., Heine, A., Klebe, G.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 0.98 Å
• R-Value Free: 0.139 
• R-Value Work: 0.123 
• R-Value Observed: 0.123 

Starting Model: experimental

Literature

High resolution crystal structures of Carbonic Anhydrase II in complex with novel sulfamide binders

Di Pizio, A., Schulze Wischeler, J., Haake, M., Heine, A., Supuran, C., 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: 29.95 kDa 
• Atom Count: 2,460 
• Modelled Residue Count: 257 
• Deposited Residue Count: 260 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Carbonic anhydrase 2	A	260	Homo sapiens	Mutation(s): 0  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 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MBO	B [auth A]	MERCURIBENZOIC ACID C7 H5 Hg O2 FVFZSVRSDNUCGG-UHFFFAOYSA-N
0VY	D [auth A]	N'-sulfamoylpyrrolidine-1-carboximidamide C5 H12 N4 O2 S RHOZLXBMABFVBY-UHFFFAOYSA-N
DMS	E [auth A]	DIMETHYL SULFOXIDE C2 H6 O S IAZDPXIOMUYVGZ-UHFFFAOYSA-N
ZN	C [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 0.98 Å
• R-Value Free: 0.139 
• R-Value Work: 0.123 
• R-Value Observed: 0.123 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.179	α = 90
b = 41.584	β = 104.2
c = 72.296	γ = 90

Software Package:

Software Name	Purpose
MAR345dtb	data collection
PHASER	phasing
SHELXL-97	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-07-17 
Deposition Author(s): Di Pizio, A., Heine, A., Klebe, G.

Revision History  

• Version 1.0: 2013-07-17
  Type: Initial release
  
• Version 1.1: 2023-09-13
  Changes: Data collection, Database references, Derived calculations, Refinement description