| 释义 |
ribosyl ribosyl [ri´bo-sil] a glycosyl radical formed from ribose.ri·bo·syl (rī'bō-sil), The radical formed by loss of the hemiacetal OH group from either of the two cyclic forms of ribose (yielding ribofuranosyl and ribopyranosyl compounds), by combination with an H of an -NH- or a -CH- group; the natural nucleosides are ribosyl compounds, not ribosides, as the bond between ribose and aglycon is C-N or C-C, not -C-O-X-.ri·bo·syl (rī'bŏ-sil) The radical formed by loss of the hemiacetal OH group from either of the two cyclic forms of ribose. |