3U45

Human Carbonic Anhydrase II V143A

• PDB DOI: https://doi.org/10.2210/pdb3U45/pdb

• Classification: LYASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21
• Mutation(s): Yes 


• Deposited: 2011-10-07 Released: 2012-10-10 
• Deposition Author(s): West, D., Mckenna, R.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.191 
• R-Value Work: 0.159 
• R-Value Observed: 0.174 

Starting Model: experimental

Literature

Structural Modification of the hydrophobic pocket in Human Carbonic Anhydrase II

West, D., Mckenna, R., Robbins, A., Tu, C., Kim, C., Gordon, J., Silverman, D.

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: 29.42 kDa 
• Atom Count: 2,379 
• 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 [auth X]	260	Homo sapiens	Mutation(s): 1  Gene Names: CA2, HCA2 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 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	C [auth X]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
ZN	B [auth X]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.191 
• R-Value Work: 0.159 
• R-Value Observed: 0.174 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.25	α = 90
b = 41.593	β = 104.44
c = 72.26	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
CrystalClear	data collection
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-10-10 
Deposition Author(s): West, D., Mckenna, R.

Revision History  

• Version 1.0: 2012-10-10
  Type: Initial release
  
• Version 1.1: 2017-11-08
  Changes: Advisory, Refinement description
• Version 1.2: 2023-09-13
  Changes: Advisory, Data collection, Database references, Derived calculations, Refinement description