Tandem SAM domain structure of human Caskin1: a presynaptic, self-assembling scaffold for CASK.
Tandem SAM domain structure of human Caskin1: a presynaptic, self-assembling scaffold for CASK.
复制标题
DOI:
10.1016/j.str.2011.09.018
复制
发表时间:
2011-12-07
期刊:
影响因子:
5.7
通讯作者:
Bowie, James U.
中科院分区:
文献类型:
--
作者:
Stafford, Ryan L.;Hinde, Elizabeth;Knight, Mary Jane;Pennella, Mario A.;Ear, Jason;Digman, Michelle A.;Gratton, Enrico;Bowie, James U.
The synaptic scaffolding proteins CASK and Caskin1 are part of the fibrous mesh of proteins that organize the active zones of neural synapses. CASK binds to a region of Caskin1 called the CASK interaction domain (CID). Adjacent to the CID, Caskin1 contains two tandem sterile alpha motif (SAM) domains. Many SAM domains form polymers so they are good candidates for forming the fibrous structures seen in the active zone. We show here that the SAM domains of Caskin1 form a new type of SAM helical polymer. The Caskin1 polymer interface exhibits a remarkable segregation of charge residues, resulting in a high sensitivity to ionic strength in vitro. The Caskin1 polymers can be decorated with CASK proteins, illustrating how these proteins may work together to organize the cytomatrix in active zones.
登录
查看更多内容
影响因子:
2.9
作者:
Middleton FA;Carrierfenster K;Mooney SM;Youngentob SL
通讯作者:
Youngentob SL
影响因子:
25
作者:
Jordan, Bryen A.;Fernholz, Brian D.;Ziff, Edward B.
通讯作者:
Ziff, Edward B.
影响因子:
3.3
作者:
GOTOW, T;MIYAGUCHI, K;HASHIMOTO, PH
通讯作者:
HASHIMOTO, PH
影响因子:
11.2
作者:
Hsueh, Yi-Ping
通讯作者:
Hsueh, Yi-Ping
影响因子:
5.4
作者:
Balazs, Annamaria;Csizmok, Veronika;Tompa, Peter
通讯作者:
Tompa, Peter