ID   5.1.1.22
DE   4-hydroxyproline betaine 2-epimerase.
CA   (1) trans-4-hydroxy-L-proline betaine = cis-4-hydroxy-D-proline betaine.
CA   (2) L-proline betaine = D-proline betaine.
CC   -!- The enzyme, characterized from the bacteria Pelagibaca bermudensis
CC       and Paracoccus denitrificans, specifically catalyzes racemization of
CC       trans-4-hydroxy-L-proline betaine and L-proline betaine at the C-2
CC       position.
DR   A1B198, HPBD_PARDP ;  Q0FPQ4, HPBD_SALBH ;
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