(R)-pantoate + beta-alanine => (R)-pantothenate + H2O
(r)-pantoate + beta-alanine => (r)-pantothenate + h2o
(R)-pantoate + beta-alanine => (R)-pantothenate + H2O
(r)-pantoate + beta-alanine => (r)-pantothenate + h2o