Macromolecule Content

Total Structure Weight: 29.33 kDa
Atom Count: 2396
Modelled Residue Count: 257
Deposited Residue Count: 257
Unique protein chains: 1

5CLU

THE CRYSTAL STRUCTURE OF THE COMPLEX of HCAII WITH A SACCHARINE DERIVATIVE

DOI: 10.2210/pdb5CLU/pdb

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

Deposited: 2015-07-16 Released: 2015-11-11
Deposition Author(s): D'Ambrosio, K., De Simone, G.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.55 Å
R-Value Free: 0.186
R-Value Work: 0.160

wwPDB Validation 3D Report Full Report

This is version 1.1 of the entry. See complete history.

Literature

A Combined Crystallographic and Theoretical Study Explains the Capability of Carboxylic Acids to Adopt Multiple Binding Modes in the Active Site of Carbonic Anhydrases.

Langella, E., D'Ambrosio, K., D'Ascenzio, M., Carradori, S., Monti, S.M., Supuran, C.T., De Simone, G.

(2016) Chemistry 22: 97-100

PubMed: 26507456 Search on PubMed
DOI: 10.1002/chem.201503748
Primary Citation of Related Structures:
5CLU

PubMed Abstract:

Macromolecules

Find similar proteins by:

(by identity cutoff) | Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Carbonic anhydrase 2	A	257	Homo sapiens	Mutation(s): 0 Gene Names: CA2 EC: 4.2.1.1
Find proteins for P00918 (Homo sapiens) Explore P00918 Go to UniProtKB: P00918
NIH Common Fund Data Resources
PHAROS: P00918 GTEx: ENSG00000104267
Protein Feature View Expand
Reference Sequence

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
S8A Query on S8A Download Ideal Coordinates CCD File SDF format, chain C [A] MOL2 format, chain C [A]	A	(1,1-dioxido-3-oxo-1,2-benzothiazol-2(3H)-yl)acetic acid C₉ H₇ N O₅ S MQAZHTHFEBUHCD-UHFFFAOYSA-N		Ligand Interaction
GOL Query on GOL Download Ideal Coordinates CCD File SDF format, chain D [A] MOL2 format, chain D [A]	A	GLYCEROL C₃ H₈ O₃ PEDCQBHIVMGVHV-UHFFFAOYSA-N		Ligand Interaction
ZN Query on ZN Download Ideal Coordinates CCD File SDF format, chain B [A] MOL2 format, chain B [A]	A	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N		Ligand Interaction

External Ligand Annotations
ID	Binding Affinity (Sequence Identity %)
S8A	Ki: 78000 nM Binding MOAD
S8A	Ki: 50000 nM BindingDB
S8A	Ki: 78000 nM BindingDB

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.55 Å
R-Value Free: 0.186
R-Value Work: 0.160
Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.37	α = 90
b = 41.07	β = 104.23
c = 72.06	γ = 90

Software Package:

Software Name	Purpose
CrystalClear	data reduction
HKL-2000	data scaling
CNS	phasing
CNS	refinement

Structure Validation

View Full Validation Report

Entry History

Deposition Data

Deposited Date: 2015-07-16
Released Date: 2015-11-11

Deposition Author(s):

Revision History (Full details and data files)

Version 1.0: 2015-11-11
Type: Initial release
Version 1.1: 2016-01-27
Changes: Database references

RCSB PDB is funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.