Haurowitz showed chemically that the outside of proteins could not have a large number of hydroxyl groups , a key prediction of the cyclol model , .
Meyer and Hohenemser showed that cyclol condensations of amino acids did not exist even in minute quantities as a transition state .
Haurowitz showed chemically that the outside of proteins could not have a large number of hydroxyl groups , a key prediction of the cyclol model , whereas Meyer and Hohenemser showed that cyclol condensations of amino acids did not exist even in minute quantities as a transition state .