an L-alpha-amino acid + cholate <=> an N-choloyl-L-alpha-amino acid + H2O
an l-alpha-amino acid + cholate <=> an n-choloyl-l-alpha-amino acid + h2o
an L-alpha-amino acid + cholate <=> an N-choloyl-L-alpha-amino acid + H2O
an l-alpha-amino acid + cholate <=> an n-choloyl-l-alpha-amino acid + h2o