7RRF

Carbonic Anhydrase IX-mimic in complex with Beta-Galactose_2C

• PDB DOI: https://doi.org/10.2210/pdb7RRF/pdb

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


• Deposited: 2021-08-09 Released: 2022-08-24 
• Deposition Author(s): Combs, J.E., McKenna, R.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.45 Å
• R-Value Free: 0.169 
• R-Value Work: 0.153 
• R-Value Observed: 0.154 

Literature

Inhibition of Carbonic Anhydrase IX and Monocarboxylate Transporters 1 and 4 in breast cancer via novel inhibition with Beta-Galactose 2C

Combs, J.E., Murray, A.B., Lomelino, C.L., Mboge, M.Y., Frost, S.C., Horenstein, N.A., McKenna, R., Becker, H.M.

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: 29.89 kDa 
• Atom Count: 2,336 
• Modelled Residue Count: 257 
• Deposited Residue Count: 257 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Carbonic anhydrase 2	A	257	Homo sapiens	Mutation(s): 7  Gene Names: CA2 EC: 4.2.1.1
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
6IV (Subject of Investigation/LOI)	B [auth A], C [auth A]	2-[1-(1,1,3-trioxo-2,3-dihydro-1H-1lambda~6~,2-benzothiazol-6-yl)-1H-1,2,3-triazol-4-yl]ethyl beta-L-gulopyranoside C17 H20 N4 O9 S XACYLYKJMUQKEJ-JJPKOIDZSA-N
ZN	D [auth A], E [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.45 Å
• R-Value Free: 0.169 
• R-Value Work: 0.153 
• R-Value Observed: 0.154 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.07	α = 90
b = 41.521	β = 103.75
c = 72.21	γ = 90

Software Package:

Software Name	Purpose
Aimless	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-08-24 
Deposition Author(s): Combs, J.E., McKenna, R.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2022-08-24
  Type: Initial release
  
• Version 1.1: 2023-10-18
  Changes: Data collection, Refinement description