13 Oct. 2005GW Canters Leiden Univ9 Forcing current through a single metalloprotein Fluid conductance J.Davis Pers. Communic. (2003)
13 Oct. 2005GW Canters Leiden Univ10 J.D. Davis, D. Bruce, G.W. Canters, J. Crozier, H.A.O. Hill (2003) Chem. Commun. 576-577. Height distribution was found to be the same for the wt and K27C azurins, while the height of S118C is 5 - 8 Å lower AFM permits to distinguish between the “standing” and the “lying” azurin molecules. Electrochemical characteristics of the azurin monolayers. Half wave potential is defined as (E pa –E pc )/2 vs. SCE Azurin WT Azurin K27C Azurin S118C E 1/2 * (mV vs. SCE)165–175165–175120–145 k et /s –1 300–400210–320300–570 BUT: the electron transfer rate is independent of the distance between the Cu and the electrode surface Is it possibly an effect of heterogeneous binding?
13 Oct. 2005GW Canters Leiden Univ12 Flavodoxin N106C dimer on mica ~0.1ug/ml in 20mM MES pH6 TM in air STM images of tip-induced dissociation of K27C azurin dimer, (a) before and (b) after application of a voltage pulse. Scanning conditions were bias voltage 0.1 V, current 0.1 nA, temperature 20±1 °C, relative humidity 35±5%. Halliwell et.al. 2004 Chris Chan, MetProt Group, private comm. 2004
The trimeric structure of copper-containing NiR MonomerTrimer
Nir on template stripped gold 10ug/ml in 20mM MES, pH 6 TM in air Chris Chan, MetProt Group, private comm. 2004
13 Oct. 2005GW Canters Leiden Univ15 Nir on template stripped gold 100ug/ml in 20mM MES, pH 6 TM in air Chris Chan, MetProt Group, private comm. 2004
1ug/ml Nir M94C, polylysine on mica TM in 20mM MES, pH6 Chris Chan, MetProt Group, private comm. 2004
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