Fas apoptosis inhibitory molecule contains a novel beta-sandwich in contact with a partially ordered domain.

Fas apoptosis inhibitory molecule contains a novel beta-sandwich in contact with a partially ordered domain.
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DOI:
10.1016/j.jmb.2009.01.004
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发表时间:
2009-03-06
影响因子:
5.6
通讯作者:
Wagner, Gerhard
Wagner, Gerhard
中科院分区:
生物学2区
文献类型:
--
作者:
Hemond, Michael;Rothstein, Thomas L.;Wagner, Gerhard

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Fas凋亡抑制分子(fam)是一种程序性细胞死亡的可溶性细胞质蛋白抑制剂,存在于整个动物界的生物体中。短异构体(FAIM-S)在所有组织类型中表达,而选择性剪接的长异构体(FAIM-L)在大脑中特异性表达。在这里,FAIM-S被证明是由两个相互接触的独立折叠结构域组成的。小鼠fam的c端结构域的NMR溶液结构被分离解决,揭示了一个新的蛋白质折叠,一个非交错的七链β三明治。结构和序列揭示了几个残基可能参与与n端结构域或其他结合伙伴的功能重要相互作用。用化学位移微扰来解释N端和c端结构域之间的接触。
Fas apoptosis inhibitory molecule (FAIM) is a soluble cytosolic protein inhibitor of programmed cell death and is found in organisms throughout the animal kingdom. A short isoform (FAIM-S) is expressed in all tissue types, while an alternatively spliced long isoform (FAIM-L) is specifically expressed in the brain. Here FAIM-S is shown to consist of two independently folding domains in contact with one another. The NMR solution structure of the C-terminal domain of murine FAIM is solved in isolation and revealed to be a novel protein fold, a noninterleaved seven-stranded beta sandwich. The structure and sequence reveal several residues that are likely to be involved in functionally significant interactions with the N-terminal domain or other binding partners. Chemical shift perturbation is used to elucidate contacts made between the N- and C-terminal domains.
死亡受体拮抗剂FAIM通过依赖ERK和NF-KAPP B信号传导的机制促进神经突生长。
DOI: 10.1083/jcb.200403093
发表时间: 2004-11-08
影响因子: 7.8
作者:
Sole, Carme;Dolcet, Xavier;Segura, Miguel F;Gutierrez, Humberto;Diaz-Meco, Maria-Teresa;Gozzelino, Raffaella;Sanchis, Daniel;Bayascas, Jose R;Gallego, Carme;Moscat, Jorge;Davies, Alun M;Comella, Joan X
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影响因子: 2.7
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