5-(methylsulfanyl)-alpha-D-ribose 1-phosphate = 5-(methylsulfanyl)-D-ribulose 1-phosphate
5-(methylsulfanyl)-alpha-d-ribose 1-phosphate = 5-(methylsulfanyl)-d-ribulose 1-phosphate
"1-phospho-5'-S-methylthioribose isomerase"
"1-phospho-5'-s-methylthioribose isomerase"