This old version of Proteopedia is provided for student assignments while the new version is undergoing repairs. Content and edits done in this old version of Proteopedia after March 1, 2026 will eventually be lost when it is retired in about June of 2026.


Apply for new accounts at the new Proteopedia. Your logins will work in both the old and new versions.


Poly(A) RNA polymerase

From Proteopedia

(Difference between revisions)
Jump to: navigation, search
Line 5: Line 5:
== Structural highlights ==
== Structural highlights ==
-
The UTP binding site of Cid1 is between the N-terminal and C-terminal. The active site contains the catalytic triad of aspartic acids in the N-terminal and the His residue whose two conformations select between binding of UTP and ATP to Cid1 <ref>PMID:22751018</ref>.
+
The UTP binding site of Cid1 is between the N-terminal and C-terminal. The <scene name='70/706259/Cv/2'>active site</scene> contains the <scene name='70/706259/Cv/3'>catalytic triad of aspartic acids</scene> (in magenta) in the N-terminal and the <scene name='70/706259/Cv/4'>His residue</scene> (in cyan) whose two conformations select between binding of UTP and ATP to Cid1 <ref>PMID:22751018</ref>. Water molecules shown as red spheres.
</StructureSection>
</StructureSection>

Revision as of 12:05, 11 August 2016

Cid1 complex with UTP (PDB code 4e80)

Drag the structure with the mouse to rotate

3D Structures of poly(A) RNA polymerase protein Cid1

Updated on 11-August-2016

4e7x, 4e8f – Cid1
4ud4, 4ud5 – Cid1 (mutant)
4e80 – Cid1 + UTP
4fh3 – Cid1 residues 33-377
4ep7, 4fh5, 4fhp – Cid1 residues 30-377 + UTP
4fhv – Cid1 residues 30-377 + CTP
4fhw – Cid1 residues 30-377 + GTP
4fhy – Cid1 residues 30-377 + ATP
4fhx – Cid1 residues 30-377 (mutant) + ATP
4nkt – Cid1 residues 30-377 + UMPNPP
4nku – Cid1 residues 40-377 (mutant) + dinucleotide

References

  1. Stevenson AL, Norbury CJ. The Cid1 family of non-canonical poly(A) polymerases. Yeast. 2006 Oct 15;23(13):991-1000. PMID:17072891 doi:http://dx.doi.org/10.1002/yea.1408
  2. Yates LA, Fleurdepine S, Rissland OS, De Colibus L, Harlos K, Norbury CJ, Gilbert RJ. Structural basis for the activity of a cytoplasmic RNA terminal uridylyl transferase. Nat Struct Mol Biol. 2012 Jul 1. doi: 10.1038/nsmb.2329. PMID:22751018 doi:10.1038/nsmb.2329

Proteopedia Page Contributors and Editors (what is this?)

Michal Harel, Alexander Berchansky, Joel L. Sussman, Jaime Prilusky

Personal tools