the structural role of the light v region in the high affinity for flavins and the low affinity for 2,4-dinitrophenyl haptens characteristic of the intact igg molecule was coarsely assessed by way of model building and by comparison with the refined combining site model of mopc 315 , an ig with relative affinity values for dnp and riboflavin the converse of those observed in gar .
C0016213
flavins
C0035527
riboflavin