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NOVEL FOLD AND PUTATIVE RECEPTOR-BINDING SITE OF GRANULOCYTE-MACROPHAGE COLONY-STIMULATING FACTOR
被引:192
|作者:
DIEDERICHS, K
BOONE, T
KARPLUS, PA
机构:
[1] CORNELL UNIV,BIOCHEM MOLEC & CELL BIOL LAB,ITHACA,NY 14853
[2] AMGEN INC,THOUSAND OAKS,CA 91320
来源:
关键词:
D O I:
10.1126/science.1837174
中图分类号:
O [数理科学和化学];
P [天文学、地球科学];
Q [生物科学];
N [自然科学总论];
学科分类号:
07 ;
0710 ;
09 ;
摘要:
Granulocyte-macrophage colony-stimulating factor (GM-CSF) stimulates the development of and the cytotoxic activity of white blood cells. Recombinant human GM-CSF has proven useful in the treatment of blood disorders. The structure of GM-CSF, which was determined at 2.4 angstrom resolution by x-ray crystallography, has a novel fold combining a two-stranded antiparallel-beta-sheet with an open bundle of four a helices. Residues implicated in receptor recognition, which are distant in the primary sequence, are on adjacent alpha-helices in the folded protein. A working model for the receptor binding site is presented.
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页码:1779 / 1782
页数:4
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