Title : Transient kinetics of intracomplex electron transfer in the human cytochrome b5 reductase-cytochrome b5 system: NAD+ modulates protein-protein binding and electron transfer.

Pub. Date : 1995 Apr 20

PMID : 7733677






3 Functional Relationships(s)
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Compound Name
Protein Name
Organism
1 Flash-induced reduction of the FAD cofactor of b5R by deazariboflavin semiquinone (in the absence of b5) occurred in a rapid second-order reaction (k2 = 3.1 x 10(8) M-1 s-1) and resulted in a neutral (blue) FAD semiquinone. flavin semiquinone cytochrome b5 reductase 3 Homo sapiens
2 When an excess of b5R was titrated with small increments of b5 and then subjected to laser flash photolysis in the presence of deazariboflavin/EDTA, interprotein electron transfer from the b5R FAD semiquinone to the heme of b5 could be observed. flavin semiquinone cytochrome b5 reductase 3 Homo sapiens
3 When an excess of b5R was titrated with small increments of b5 and then subjected to laser flash photolysis in the presence of deazariboflavin/EDTA, interprotein electron transfer from the b5R FAD semiquinone to the heme of b5 could be observed. flavin semiquinone cytochrome b5 reductase 3 Homo sapiens