[DsbA protein]-dithiol + a quinone <=> [DsbA protein]-disulfide + a quinol
[dsba protein]-dithiol + a quinone <=> [dsba protein]-disulfide + a quinol
[DsbA protein]-dithiol + a quinone <=> [DsbA protein]-disulfide + a quinol
[dsba protein]-dithiol + a quinone <=> [dsba protein]-disulfide + a quinol