Ananthanarayanan Kumar on Muck Rack

Ananthanarayanan Kumar

As seen in: Science Magazine, Cell Press
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Articles

Discovery of a Well-Folded Protein Interaction Hub Within the Human Long Non-Coding RNA NORAD

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By Ananthanarayanan Kumar, Zion Perry, Shivali K. Patel, Anna Marie Pyle
| biorxiv.org
Thank you for your interest in spreading the word about bioRxiv. NOTE: Your email address is requested solely to identify you as the sender of this article. Your Email * Your Name * Send To * Enter multiple addresses on separate lines or separate them with commas. Message Subject (Your Name) has forwarded a page to you from bioRxiv Message Body (Your Name) thought you would like to see this page from the bioRxiv website.
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Activation of the Endonuclease that Defines mRNA 3′ Ends Requires Incorporation into an 8-Subunit Core Cleavage and Polyadenylation Factor Complex

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By Chris Hill, Ananthanarayanan Kumar, Ana Casañal
| Cell Press Verified
Highlights • Crystallography and cryo-EM reveal a Ysh1-Mpe1 interface • Specific pre-mRNA 3ʹ end cleavage is reconstituted from recombinant proteins • Electron microscopy shows that CPFcore assembles around a central scaffold • A model for activation of the 3ʹ endonuclease on substrate RNAs is proposed Summary Cleavage and polyadenylation factor (CPF/CPSF) is a multi-protein complex essential for formation of eukaryotic mRNA 3ʹ ends.
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Architecture of eukaryotic mRNA 3′-end processing machinery

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By Ana Casañal, Ananthanarayanan Kumar, Chris Hill
| Science Magazine Verified
The eukaryotic mRNA 3?-end processing machinery interacts with the transcription machinery and adds the polyadenylation tail on the mRNA substrate. Casañal et al. used cryo-electron microscopy, mass spectrometry, and biochemical reconstitutions to show that the mRNA 3?-end processing machinery is organized into nuclease, polymerase, and phosphatase modules.
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