In the absence of Ca2+, muscle is relaxed

TM blocks myosin’s interaction with F-actin

TLS Online TPP Program

#Id: 8043

#XL - Q Biochemistry

RS Configuration 

Atoms of higher atomic number rank above those of lower atomic number (e.g., —OH ranks above —CH3). If the first substituent atoms are identical, the priority is established by the next atom outward from the chiral center (e.g., —CH2OH takes precedence over —CH3).

TLS Online TPP Program

#Id: 1330

#XL - T Zoology

Phospholipase C cleaves PI(4,5)P2, generating two second messengers:  IP3 and DAG

TLS Online TPP Program

#Id: 7756

#XL - Q Biochemistry

Fluorine (the most electronegative element) is assigned a value of 4.0, and values range down to cesium and francium which are the least electronegative at 0.7

TLS Online TPP Program

#Id: 10011

#XL - T Zoology

Smo has seven TM α helices, is a member of the GPCR superfamily, and is related in sequence to the Fz.

TLS Online TPP Program

#Id: 7839

#XL - T Zoology