Dynactin...definition not in dictionary. Anyone know?

Discussion of all aspects of cellular structure, physiology and communication.

Moderators: honeev, Leonid, amiradm, BioTeam

Post Reply
sundew773
Garter
Garter
Posts: 15
Joined: Thu Jun 23, 2005 9:20 pm

Dynactin...definition not in dictionary. Anyone know?

Post by sundew773 » Tue Jul 05, 2005 12:41 am

I have a question that asks to compare dynein to dynactin, but I can't really understand what dynactin is... :(

User avatar
James
King Cobra
King Cobra
Posts: 552
Joined: Wed Feb 23, 2005 11:00 pm
Location: England

Post by James » Tue Jul 05, 2005 2:50 pm

'Dynein and dynactin are required for vesicular trafficking, mitotic spindle assembly, and development of polarity.' I know no more.

duwende
Garter
Garter
Posts: 2
Joined: Wed Jul 06, 2005 4:34 am

Post by duwende » Wed Jul 06, 2005 4:36 am

Dude awesome question. I think you're in my cell bio class for the summer. I googled dynactin for the study guide and this was the first link. Lol.

duwende
Garter
Garter
Posts: 2
Joined: Wed Jul 06, 2005 4:34 am

Post by duwende » Wed Jul 06, 2005 4:39 am

"Dynein activator complex that stimulates vesicle transport. Includes dynactin (160 kD) and polypeptides of 62, 50, 45, 37, and 32, the 45 kD (possibly actin-RPV) being the most abundant. All the subunits co-sediment with antibody to dynactin 160 and the complex behaves as a stable 20S multiprotein assembly. See centractin."

Possibly that helps?

sundew773
Garter
Garter
Posts: 15
Joined: Thu Jun 23, 2005 9:20 pm

Post by sundew773 » Fri Jul 08, 2005 8:16 pm

Thank you! Are you taking cell bio at UT? Because then I am in your class...and if so, good luck on the final tomorrow
:D

User avatar
Dr.Stein
King Cobra
King Cobra
Posts: 3501
Joined: Thu Jul 07, 2005 7:58 am
Location: 55284 Yogyakarta, Indonesia
Contact:

Post by Dr.Stein » Tue Jul 12, 2005 9:23 am

Dynein, dynactin are contractile protein, as well as actin and myosin on skeletal muscle, that play a role in spermatozoa motility.
Image

Post Reply

Who is online

Users browsing this forum: No registered users and 18 guests