(R)-pantoate + beta-alanine + ATP = (R)-pantothenate + AMP + diphosphate + H(+)
(r)-pantoate + beta-alanine + atp = (r)-pantothenate + amp + diphosphate + h(+)
"pantoate--beta-alanine ligase (AMP-forming)"
"pantoate--beta-alanine ligase (amp-forming)"