6O3Y image
Deposition Date 2019-02-27
Release Date 2019-06-05
Last Version Date 2023-10-11
Entry Detail
PDB ID:
6O3Y
Keywords:
HYDROLASE
Title:
Crystal structure of yeast Nrd1 CID in complex with Sen1 NIM3
Biological Source:
Source Organism:
Saccharomyces cerevisiae (Taxon ID: 4932)
Host Organism:
Escherichia coli
Method Details:
Experimental Method:
X-RAY DIFFRACTION
Resolution:
2.80 Å
R-Value Free:
0.30
R-Value Work:
0.23
R-Value Observed:
0.24
Space Group:
C 2 2 21
6O3Y validation report
Macromolecular Entities
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Protein NRD1
Gene (Uniprot):NRD1
Chain IDs:A, B, C
Chain Length:172
Number of Molecules:3
Biological Source:Saccharomyces cerevisiae
UniProt ID:P53617 Pfam ID:PF04818
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Helicase SEN1
Gene (Uniprot):SEN1
Chain IDs:D, E, F
Chain Length:13
Number of Molecules:3
Biological Source:Saccharomyces cerevisiae
UniProt ID:Q00416 EC:3.6.4.12
Ligand Molecules
CL
Primary Citation
Identification of Three Sequence Motifs in the Transcription Termination Factor Sen1 that Mediate Direct Interactions with Nrd1.
Structure 27 1156 1161.e4 (2019)
PMID: 31104813 DOI: 10.1016/j.str.2019.04.005

Abstact

The Nrd1-Nab3-Sen1 (NNS) complex carries out the transcription termination of non-coding RNAs (ncRNAs) by RNA polymerase II (Pol II) in yeast, although the detailed interactions among its subunits remain obscure. Here we have identified three sequence motifs in Sen1 that mediate direct interactions with the Pol II CTD interaction domain (CID) of Nrd1, determined the crystal structures of these Nrd1 interaction motifs (NIMs) bound to the CID, and characterized the interactions in vitro and in yeast. Removal of all three NIMs abolishes NNS complex formation and gives rise to ncRNA termination defects.

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Primary Citation of related structures
6O3W
6O3X