Class Notes (835,759)
Canada (509,376)
Biology (2,228)
BIO120H1 (1,171)
Lecture

Notes taken during lecture

3 Pages
135 Views
Unlock Document

Department
Biology
Course
BIO120H1
Professor
Jean Jiang Nash
Semester
Winter

Description
st LECTURE 14 March 1 MYOSIN MOTORS microfilaments To propel along filaments in one direction Towards plus end Carry cargo along filaments Can move filaments along filaments Myosin II made up of six proteins Coiled-coil motif of the heavy chain long string with globular domains at the ends Light chains regulate activity of globular domains, which are for walking Acts as a motor because of experiments o Myosin motors attached to glass slide o Microfilaments bound by heads o Add ATP and observe movement o ATP-dependent because if no ATP, myosin binds to head but doesnt move Biding doesnt require ATP, but movement does Myosin II motor mechanism binds actin filament tightly Add ATP Myosin head binds ATP, release microfilament + ATP Conformation change in the head o Lose high affinity for actin o So actin filame
More Less

Related notes for BIO120H1

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit