Reaction catalyzed by S-methyl-5'-thioadenosine phosphorylase (2.4.2.28)

		+			=			+
	5'-deoxy-5'-(1,3-thiazol)-2-yl-sulfanyladenosine	+		phosphate	=		adenine	+		5-(1,3-thiazol-2-yl)thio-D-ribose 1-phosphate