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有機(jī)方面英譯漢一段,3Q
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There are many biologically active molecules that contain cyclic peptide and peptidomimetic structural units including diketopiperazines (DKPs, the smallest possible cyclic peptides,Fig. 1) (49, 50). Many compounds incorporating macrocyclic peptides and peptidomimetics (51–54) are also known to be capable of modulating biological systems. Despite such valuable properties,macrocyclic peptides (indeed macrocyclic compounds in general) are arguably a poorly explored structural class within drug discovery (54), and such compounds are underrepresented in current small-molecule libraries. This relative paucity of compounds can be attributed primarily to synthetic intractability(54). Thus there is a need for the development of efficient methods of broad utility for the synthesis of a diverse range of macrocyclic peptides and peptidomimetics so that the biological usefulness of these structural moieties can be investigated and exploited further. |
銅蟲(chóng) (初入文壇)
| 有很多包含循環(huán)肽結(jié)構(gòu)和peptidomimetic結(jié)構(gòu)單位包括二酮哌嗪類(lèi)(DKPs,肽類(lèi)中最小的循環(huán)結(jié)構(gòu),F(xiàn)ig.1)[fig.這里不明白是什么意思]生物活性分子,許多化合物組合而成大環(huán)多肽和多肽模擬物(51-54)也被認(rèn)為是有能力改變生物系統(tǒng)的。盡管有這樣的價(jià)值屬性,大環(huán)多肽(事實(shí)上是普遍的大環(huán)化合物)很少作為藥物發(fā)現(xiàn)物(54)來(lái)探究其結(jié)構(gòu)類(lèi)型【structural class】,這類(lèi)化合物在小分子庫(kù)中也不具有被充分代表的趨勢(shì)。少量的化合物被歸類(lèi)于難于合成的化合物。這樣就需要對(duì)于大環(huán)肽類(lèi)和多肽類(lèi)模擬物具有廣泛適用性的富有效率的不同范圍類(lèi)的綜合分析方法的發(fā)展,這樣對(duì)于這部分結(jié)構(gòu)的生物應(yīng)用研究與遠(yuǎn)期利用得以進(jìn)行。 |

銅蟲(chóng) (初入文壇)

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