PXR1/YGR280C Summary Help

Standard Name PXR1
Systematic Name YGR280C
Alias GNO1 1
Feature Type ORF, Verified
Description Essential protein involved in rRNA and snoRNA maturation; competes with TLC1 RNA for binding to Est2p, suggesting a role in negative regulation of telomerase; human homolog inhibits telomerase; contains a G-patch RNA interacting domain (1, 2, 3)
Name Description PinX1-Related gene
Gene Product Alias PinX1 3
Chromosomal Location
ChrVII:1051725 to 1050910 | ORF Map | GBrowse
Note: this feature is encoded on the Crick strand.
Gbrowse
Gene Ontology Annotations All PXR1 GO evidence and references
  View Computational GO annotations for PXR1
Molecular Function
Manually curated
Biological Process
Manually curated
Cellular Component
Manually curated
Classical genetics
null
overexpression
Large-scale survey
null
overexpression
Resources
26 total interaction(s) for 24 unique genes/features.
Physical Interactions
  • Affinity Capture-MS: 7
  • Affinity Capture-RNA: 2
  • Affinity Capture-Western: 1
  • PCA: 6
  • Two-hybrid: 3

Genetic Interactions
  • Negative Genetic: 4
  • Phenotypic Enhancement: 1
  • Synthetic Growth Defect: 2

Resources
Expression Summary
histogram
Resources
Localization
Phosphorylation PhosphoGRID | PhosphoPep Database
Structure
Homologs
sequence information
ChrVII:1051725 to 1050910 | ORF Map | GBrowse
Note: this feature is encoded on the Crick strand.
SGD ORF map
Last Update Coordinates: 2011-02-03 | Sequence: 1996-07-31
Subfeature details
Relative
Coordinates
Chromosomal
Coordinates
Most Recent Updates
Coordinates Sequence
CDS 1..816 1051725..1050910 2011-02-03 1996-07-31
Retrieve sequences
Analyze Sequence
S288C only
S288C vs. other species
S288C vs. other strains
Resources
External Links All Associated Seq | Entrez Gene | Entrez RefSeq Protein | MIPS | Search all NCBI (Entrez) | UniProtKB
Primary SGDIDS000003512
References cited on this page View Complete Literature Guide for PXR1
1) Guglielmi B and Werner M  (2002) The yeast homolog of human PinX1 is involved in rRNA and small nucleolar RNA maturation, not in telomere elongation inhibition. J Biol Chem 277(38):35712-9
2) Zhou XZ and Lu KP  (2001) The Pin2/TRF1-interacting protein PinX1 is a potent telomerase inhibitor. Cell 107(3):347-59
3) Lin J and Blackburn EH  (2004) Nucleolar protein PinX1p regulates telomerase by sequestering its protein catalytic subunit in an inactive complex lacking telomerase RNA. Genes Dev 18(4):387-96