The Ca2+ channel beta4c subunit interacts with heterochromatin protein 1 via a PXVXL binding motif.

@article{Xu2011TheCC,
  title={The Ca2+ channel beta4c subunit interacts with heterochromatin protein 1 via a PXVXL binding motif.},
  author={Xingfu Xu and Yoon Jung Lee and Johanna B. Holm and Mark D Terry and Robert E. Oswald and William A. Horne},
  journal={The Journal of biological chemistry},
  year={2011},
  volume={286 11},
  pages={9677-87}
}
The β subunits of voltage-gated Ca(2+) channels are best known for their roles in regulating surface expression and gating of voltage-gated Ca(2+) channel α(1) subunits. Recent evidence, however, indicates that these proteins have a variety of Ca(2+) channel-independent functions. For example, on the molecular level, they regulate gene expression, and on the whole animal level, they regulate early cell movements in zebrafish development. In the present study, an alternatively spliced, truncated… CONTINUE READING

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