The topology of the cardiac Na⁺/Ca²⁺ exchanger, NCX1.
The topology of the cardiac Na⁺/Ca²⁺ exchanger, NCX1.
复制标题
DOI:
10.1016/j.yjmcc.2013.01.010
复制
发表时间:
2013-04
影响因子:
5
通讯作者:
Philipson, Kenneth D.
中科院分区:
文献类型:
--
作者:
Ren, Xiaoyan;Philipson, Kenneth D.
The topology of the plasma membrane Na+/Ca2+ exchanger of cardiac muscle, NCX1, is uncertain. Biochemical analyses have indicated the presence of 9 transmembrane segments (TMSs) whereas the recent crystal structure of a prokaryotic homologue has 10 TMSs. The discrepancy is towards the C-terminus of the proteins where the prokaryotic homologue has an additional TMS8. To resolve this apparent disagreement, we re-assessed the topology of the C-terminal TMSs of NCX1. We examined the ability of internal or external cysteine residues in the N-terminal portion of NCX1 to crosslink with cysteine residues, of uncertain orientation, in the C-terminal portion of the protein. The results strongly support a model of NCX1 with 10 TMSs as found in the prokaryotic homologue.
登录
查看更多内容
影响因子:
3.5
作者:
Iwamoto, T;Nakamura, TY;Shigekawa, M
通讯作者:
Shigekawa, M
DOI:
10.1016/0005-2736(93)90068-b
发表时间:
1993-09-05
期刊:
BIOCHIMICA ET BIOPHYSICA ACTA
影响因子:
--
作者:
HRYSHKO, LV;NICOLL, DA;PHILIPSON, KD
通讯作者:
PHILIPSON, KD
影响因子:
2.9
作者:
Kinjo, TG;Szerencsei, RT;Schnetkamp, PPM
通讯作者:
Schnetkamp, PPM
影响因子:
4.8
作者:
Doering, AE;Nicoll, DA;Philipson, KD
通讯作者:
Philipson, KD
影响因子:
4.8
作者:
Ottolia, M;Nicoll, DA;Philipson, KD
通讯作者:
Philipson, KD