6QFU

Human carbonic anhydrase II with bound IrCp* complex (cofactor 7) to generate an artificial transfer hydrogenase (ATHase)

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

  • Deposited: 2019-01-10 Released: 2019-04-17 
  • Deposition Author(s): Rebelein, J.G.
  • Funding Organization(s): Swiss National Science Foundation; European Research Council; European Molecular Biology Organization 

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.186 
  • R-Value Work: 0.165 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

Chemical Optimization of Whole-Cell Transfer Hydrogenation Using Carbonic Anhydrase as Host Protein.

Rebelein, J.G.Cotelle, Y.Garabedian, B.Ward, T.R.

(2019) Acs Catalysis 9: 4173-4178

  • DOI: 10.1021/acscatal.9b01006
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Artificial metalloenzymes combine a synthetic metallocofactor with a protein scaffold and can catalyze abiotic reactions <i>in vivo </i>. Herein, we report on our efforts to valorize human carbonic anhydrase II as a scaffold for whole-cell transfer ...

    Artificial metalloenzymes combine a synthetic metallocofactor with a protein scaffold and can catalyze abiotic reactions in vivo . Herein, we report on our efforts to valorize human carbonic anhydrase II as a scaffold for whole-cell transfer hydrogenation. Two platforms were tested: periplasmic compartmentalization and surface display in Escherichia coli . A chemical optimization of an IrCp* cofactor was performed. This led to 90 turnovers in the cell, affording a 69-fold increase in periplasmic product formation over the previously reported, sulfonamide-bearing IrCp* cofactor. These findings highlight the versatility of carbonic anhydrase as a promising scaffold for whole-cell catalysis with artificial metalloenzymes.


    Organizational Affiliation

    Department of Chemistry, University of Basel, BPR 1096, Mattenstrasse 24a, 4058 Basel, Switzerland.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Carbonic anhydrase 2
A
260Homo sapiensMutation(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 3 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
ZN
Query on ZN

Download SDF File 
Download CCD File 
A
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
 Ligand Interaction
SO4
Query on SO4

Download SDF File 
Download CCD File 
A
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
J0K
Query on J0K

Download SDF File 
Download CCD File 
A
4-[2-(9-chloranyl-2',3',4',5',6'-pentamethyl-4-oxidanyl-7-oxidanylidene-spiro[1$l^{4},8-diaza-9$l^{8}-iridabicyclo[4.3.0]nona-1(6),2,4-triene-9,1'-1$l^{8}-iridapentacyclo[2.2.0.0^{1,3}.0^{1,5}.0^{2,6}]hexane]-8-yl)ethyl]benzenesulfonamide
C24 H29 Cl Ir N3 O4 S
VAJHRRAGVXOTTB-UHFFFAOYSA-L
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.186 
  • R-Value Work: 0.165 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 42.038α = 90.00
b = 41.264β = 104.27
c = 71.900γ = 90.00
Software Package:
Software NamePurpose
PDB_EXTRACTdata extraction
DIALSdata reduction
Aimlessdata scaling
REFMACrefinement
PHASERphasing

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History & Funding Information

Deposition Data

  • Deposited Date: 2019-01-10 
  • Released Date: 2019-04-17 
  • Deposition Author(s): Rebelein, J.G.

Funding OrganizationLocationGrant Number
Swiss National Science FoundationSwitzerland200020_162348
European Research CouncilDrEAM
Swiss National Science FoundationSwitzerlandNCCR MSE
European Molecular Biology OrganizationGermanyALTF 194-2017

Revision History 

  • Version 1.0: 2019-04-17
    Type: Initial release
  • Version 1.1: 2019-05-22
    Type: Data collection, Database references