3.1.6.12	-	135540, 135541, 135542, 135543, 135544, 135545, 135549, 135561, 135562, 135563, 135652, 655942, 665853	
3.1.6.12	mutant C91S purified on a anti-ASB affinity column prepared by coupling the antibody with NHS-sepharose beads	663938	
3.1.6.12	mutant enzyme C91S	663938