Crystal-state structure of the C-terminal pentapeptide of the antibiotic efrapeptin C

被引:0
作者
Benedetti, E
Iacovino, R
Saviano, M
Kamphuis, J
Crisma, M
Formaggio, F
Moretto, V
Toniolo, C
机构
[1] UNIV NAPLES FEDERICO II,DEPT CHEM,CNR,BIOCRYSTALLOG RES CTR,I-80134 NAPLES,ITALY
[2] DSM RES BV,BIOORGAN CHEM SECT,NL-6160 MD GELEEN,NETHERLANDS
[3] UNIV PADUA,DEPT ORGAN CHEM,CNR,BIOPOLYMER RES CTR,I-35131 PADUA,ITALY
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中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
An X-ray diffraction analysis of the C-terminal, fully blocked pentapeptide segment of the antibiotic efrapeptin C Z-L-Pip-Aib-Gly-L-Leu-Aib-NHMe monohydrate showed that its secondary structure is characterized by three non-helical beta-bend conformations located at the -L-Pip-Aib-, -Aib-Gly-, and -L-Leu-Aib- sequences, respectively.
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页码:283 / 288
页数:6
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