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TSR1 protein (Saccharomyces cerevisiae) - STRING interaction network
"TSR1" - Protein required for processing of 20S pre-rRNA in the cytoplasm in Saccharomyces cerevisiae
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textmining
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TSR1Protein required for processing of 20S pre-rRNA in the cytoplasm; associates with pre-40S ribosomal particles; inhibits the premature association of 60S subunits with assembling 40S subunits in the cytoplasm; similar to Bms1p; Required for 40S ribosomal subunit synthesis. Required for normal export of the pre-40S particles from the nucleus to the cytoplasm. Its subcellular location and association with pre-40S subunitshifts from mixed cytoplasm/nucleus to all nuclear in RPS19 disruptions, suggesting it acts after the ribosomal protein (788 aa)    
Predicted Functional Partners:
ENP1
Protein associated with U3 and U14 snoRNAs, required for pre-rRNA processing and 40S ribosomal subunit synthesis; localized in the nucleus and concentrated in the nucleolus; Required for normal export of the pre-40S particles from the nucleus to the cytoplasm. Its subcellular location and association with pre-40S subunit shifts from mixed cytoplasm/nucleus to all nuclear in RPS19 disruptions, suggesting it acts after the ribosomal protein (483 aa)
     
 
  0.999
RRP12
Protein required for export of the ribosomal subunits; associates with the RNA components of the pre-ribosomes; has a role in nuclear import in association with Pse1p; contains HEAT-repeats; In association with GSP1, required for nuclear export of both pre-40S and pre-60S ribosomal subunits. Required for the late maturation of the 18S and 5.8S rRNA of the pre-40S ribosomes and for maturation of the 25S and 5.8S rRNA of the pre-60S ribosomes (1228 aa)
     
 
  0.999
NOB1
Essential nuclear protein involved in proteasome maturation and synthesis of 40S ribosomal subunits; required for cleavage of the 20S pre-rRNA to generate the mature 18S rRNA; Required for the synthesis of 40S ribosome subunits. Has a role in processing 20S pre-rRNA into the mature 18S rRNA, where it is required for cleavage at the 3’ end of the mature 18S rRNA (D-site). Accompanies the 20S pre-rRNA from the nucleus to the cytoplasm. In association with NIN1, may promote the recruitment of the proteasome to the ribosomal subunits stalled in maturation (459 aa)
     
 
  0.999
NUG1
GTPase that associates with nuclear 60S pre-ribosomes, required for export of 60S ribosomal subunits from the nucleus; GTPase required for 60S ribosomal subunit export to the cytoplasm (520 aa)
     
 
  0.998
LTV1
Component of the GSE complex; GSE is required for proper sorting of amino acid permease Gap1p; required for ribosomal small subunit export from nucleus; required for growth at low temperature; Involved in protein transport. Non-ribosomal factor required for efficient nuclear export of the ribosomal 40S subunit. Component of the GSE complex, a GTPase complex required for intracellular sorting of GAP1 out of the endosome (463 aa)
     
 
  0.998
RIO2
Essential serine kinase involved in the processing of the 20S pre-rRNA into mature 18S rRNA; has similarity to Rio1p; Required for the final endonucleolytic cleavage of 20S pre-rRNA at site D in the cytoplasm, converting it into the mature 18S rRNA. Involved in normal export of the pre-40S particles from the nucleus to the cytoplasm. No longer associates with pre-40S subunits in RPS19 disruptions, suggesting it acts after the ribosomal protein in 18S rRNA maturation (425 aa)
     
 
  0.998
PNO1
Essential nucleolar protein required for pre-18S rRNA processing, interacts with Dim1p, an 18S rRNA dimethyltransferase, and also with Nob1p, which is involved in proteasome biogenesis; contains a KH domain; Required for small ribosomal subunit (SSU) synthesis. Has a role in the processing of early nucleolar and late cytoplasmic pre-RNA species. Recruits DIM1 to nucleolar pre-RNAs. Indirectly required for cleavage at the A2 site of the 20S pre- rRNA, forming 18S rRNA, and at A1 and A2 sites of other pre-rRNAs (274 aa)
     
 
  0.998
RPA135
RNA polymerase I second largest subunit A135; DNA-dependent RNA polymerases catalyze the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. Component of RNA polymerase I (Pol I) which synthesizes ribosomal RNA precursors. Besides, RNA polymerase I has intrinsic RNA cleavage activity. RPA190 and RPA135 both contribute to the polymerase catalytic activity and together form the Pol I active center. In addition, subunit RPA12 contributes a catalytic zinc ribbon that is required for RNA cleavage by Pol I. A single stranded DNA template strand of the pro [...] (1203 aa)
     
 
  0.996
NOP14
Nucleolar protein, forms a complex with Noc4p that mediates maturation and nuclear export of 40S ribosomal subunits; also present in the small subunit processome complex, which is required for processing of pre-18S rRNA; Involved in nucleolar processing of pre-18S ribosomal RNA. Has a role in the nuclear export of 40S pre-ribosomal subunit to the cytoplasm (810 aa)
     
 
  0.995
MPP10
Component of the SSU processome and 90S preribosome, required for pre-18S rRNA processing, interacts with and controls the stability of Imp3p and Imp4p, essential for viability; similar to human Mpp10p; Involved in nucleolar processing of pre-18S ribosomal RNA. Required for the early cleavages at sites A0, A1 and A2 during 18S ribosomal pre-RNA processing (593 aa)
     
   
  0.995
Your Current Organism:
Saccharomyces cerevisiae
NCBI taxonomy Id: 4932
Other names: Candida robusta, Pachytichospora, S. cerevisiae, Saccharomyces, Saccharomyces capensis, Saccharomyces cerevisiae, Saccharomyces italicus, Saccharomyces oviformis, Saccharomyces uvarum var. melibiosus, lager beer yeast, yeast
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