4.3.1.12	iodoacetate	-	
4.3.1.12	N-ethylmaleimide	2 mM, complete inhibition	
4.3.1.12	O2	-	
4.3.1.12	p-chloromercuribenzoate	1 mM, complete inhibition	
4.3.1.12	proline	10 mM: 30% inhibition