Muscle cells have an abundant, modified smooth ER called the sarcoplasmic reticulum.

The release and reuptake of Ca2+ by the sarcoplasmic reticulum trigger myofibril contraction and relaxation, respectively

TLS Online TPP Program

#Id: 9474

#XL - T Zoology

SHP1 

Binding of an SH2 domain to a phosphotyrosine in the activated receptor unmasks its phosphatase catalytic site

TLS Online TPP Program

#Id: 8852

#XL - T Zoology

Geminin contains a destruction box at its N-terminus that is recognized by APC/Ccdh1, causing it to be ubiquitinylated in late anaphase and degraded by proteasomes.

TLS Online TPP Program

#Id: 10045

#XL - T Zoology

In Notch/Delta pathway, 

Notch is receptor protein, on a neighboring responding cell

TLS Online TPP Program

#Id: 10084

#XL - T Zoology

Several integrin α subunits contain, I-domain, which can mediate binding of integrins to various collagens in the ECM.

TLS Online TPP Program

#Id: 7905

#XL - Q Biochemistry

Mitophagy provides Mitochondrial Quality Control