Biological Assembly 1  

 3D View: Structure | Electron Density | Ligand Interaction

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Protein Workshop | Ligand Explorer

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

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

Macromolecule Content

• Total Structure Weight: 29904.21 
• Atom Count: 2283 
• Residue Count: 260 
• Unique protein chains: 1

3OIM

Human Carbonic anhydrase II bound by 2-Ethylestradiol 3-O-sulfamate

• DOI: 10.2210/pdb3OIM/pdb

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


• Deposited: 2010-08-19 Released: 2011-07-06 
• Deposition Author(s): Sippel, K.H., Stander, B.A., Robbins, A.H., Tu, C.K., Agbandje-McKenna, M., Silverman, D.N., Joubert, A.M., McKenna, R.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.45 Å
• R-Value Free: 0.170 
• R-Value Work: 0.144 

Literature

Characterization of Carbonic Anhydrase Isozyme Specific Inhibition by Sulfamated 2-Ethylestra Compounds

Sippel, K.H., Stander, B.A., Robbins, A.H., Tu, C.K., Agbandje-McKenna, M., Silverman, D.N., Joubert, A.M., McKenna, R.

(2011) LETT.DRUG DES.DISCOVERY 8: --

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
Carbonic anhydrase 2	A	260	Homo sapiens	Mutation(s): 0  Gene Names: CA2 EC: 4.2.1.1
Find proteins for P00918 (Homo sapiens) Go to Gene View: CA2 Go to UniProtKB:  P00918

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram & Interactions
ZN	A	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
GOL	A	GLYCEROL GLYCERIN; PROPANE-1,2,3-TRIOL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
VZ5	A	(14beta,17alpha)-2-ethyl-17-hydroxyestra-1(10),2,4-trien-3-yl sulfamate C20 H29 N O4 S POSDSPVRJAJSEI-SSGANFLRSA-N
DMS	A	DIMETHYL SULFOXIDE C2 H6 O S IAZDPXIOMUYVGZ-UHFFFAOYSA-N

External Ligand Annotations
ID	Binding Affinity (Sequence Identity %)
VZ5	Ki: 180 nM PDBBIND

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.45 Å
• R-Value Free: 0.170 
• R-Value Work: 0.144 
• Space Group: P 1 2₁ 1

Unit Cell:

Length (Å)	Angle (°)
a = 42.187	α = 90.00
b = 41.240	β = 103.95
c = 71.341	γ = 90.00

Software Package:

Software Name	Purpose
PHENIX	model building
PHENIX	refinement
HKL-2000	data reduction
PHENIX	phasing
CrystalClear	data collection
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2010-08-19 
• Released Date: 2011-07-06 
• Deposition Author(s): Sippel, K.H., Stander, B.A., Robbins, A.H., Tu, C.K., Agbandje-McKenna, M., Silverman, D.N., Joubert, A.M., McKenna, R.

Revision History 

• Version 1.0: 2011-07-06
  Type: Initial release
• Version 1.1: 2011-07-13
  Type: Version format compliance