POLR1B

RNA polymerase I subunit B

Summary

Eukaryotic RNA polymerase I (pol I) is responsible for the transcription of ribosomal RNA (rRNA) genes and production of rRNA, the primary component of ribosomes. Pol I is a multisubunit enzyme composed of 6 to 14 polypeptides, depending on the species. Most of the mass of the pol I complex derives from the 2 largest subunits, Rpa1 and Rpa2 in yeast. POLR1B is homologous to Rpa2 (Seither and Grummt, 1996 [PubMed 8921381]).[supplied by OMIM, Mar 2008]

Known Variants96 total

rsidPosition (GRCh37)AllelesClassClinVar
rs5656433032:113,298,360G/T——
rs7695426092:113,299,993G/A—likely benign
rs16828114172:113,300,127T/C—uncertain significance
rs16828173252:113,300,219G/A—uncertain significance
rs22418042:113,300,283C/G—benign
rs48490712:113,300,330G/A—benign
rs48490722:113,300,394A/C—benign
rs38603882:113,303,155C/A——
rs5604351222:113,304,626G/T—uncertain significance
rs13455291722:113,304,691A/C—uncertain significance
rs7476739592:113,304,712G/A—uncertain significance
rs13960544662:113,305,083A/C—uncertain significance
rs12249558412:113,305,110C/A—uncertain significance
rs24675556752:113,305,142G/T—likely pathogenic
rs111231392:113,305,150G/C—benign
rs782348072:113,305,152C/T—benign
rs603001362:113,305,358G/A—benign
rs621585852:113,306,827A/G—benign
rs7619357432:113,306,929T/C—uncertain significance
rs5506524812:113,307,081T/C—benign
rs116757302:113,307,115T/C—benign
rs1493637252:113,308,418A/T—benign
rs7498841332:113,308,451A/G—uncertain significance
rs23045552:113,308,516T/A—benign
rs7645007122:113,308,521T/C—uncertain significance
rs38161402:113,308,622C/T—benign
rs75685392:113,308,795C/G—benign
rs2016950322:113,309,359T/C—uncertain significance
rs16833806272:113,309,361A/G—uncertain significance
rs12450009402:113,309,378G/C—uncertain significance
rs7816516122:113,309,450G/T—uncertain significance
rs7739252342:113,309,458T/C—uncertain significance
rs2014844682:113,309,467G/T—uncertain significance
rs15451332:113,309,473T/C—benign
rs75976982:113,309,620G/A—benign
rs130158222:113,309,653C/A—benign
rs9286503692:113,310,245A/T—uncertain significance
rs3725369402:113,310,284C/T—uncertain significance
rs98084912:113,310,543A/G—benign
rs412789402:113,315,300C/T—benign
rs13613567752:113,315,559A/G—uncertain significance
rs5691516132:113,315,581G/A—likely benign
rs134130012:113,315,803A/C—benign
rs2006259032:113,316,953G/C—uncertain significance
rs16838411212:113,316,968G/A—uncertain significance
rs7647998652:113,316,982G/A—uncertain significance
rs5323944882:113,317,017C/T—uncertain significance
rs24676101152:113,317,035C/T—uncertain significance
rs7493849032:113,317,088G/A—likely benign
rs7757486002:113,317,110T/G—uncertain significance
rs12061706172:113,317,122C/T—uncertain significance
rs2001974052:113,317,142T/G—uncertain significance
rs37897232:113,317,353G/A—benign
rs412805722:113,321,900T/C—benign
rs1136056122:113,321,911G/A—benign
rs67196572:113,321,944G/C—benign
rs1442666762:113,321,966C/T—likely benign
rs16841752172:113,322,031T/A—uncertain significance
rs7629977232:113,322,036A/C—uncertain significance
rs729463952:113,322,280A/G—benign
rs340518972:113,325,679T/C—benign
rs16843985902:113,325,680T/C—uncertain significance
rs7494570762:113,325,688G/A—uncertain significance
rs67468742:113,326,281C/G—benign
rs14761990842:113,326,381A/G—uncertain significance
rs12112595782:113,326,386C/T—uncertain significance
rs24676550812:113,326,422T/A—uncertain significance
rs16844432502:113,326,451T/A—pathogenic
rs24676552972:113,326,460C/A—uncertain significance
rs130108142:113,326,502C/T—benign
rs39800782:113,328,043A/C——
rs7734999182:113,330,228G/C—uncertain significance
rs24676783612:113,331,232G/T—uncertain significance
rs2005766432:113,331,271C/T—uncertain significance
rs7792821772:113,331,274G/A—likely benign
rs24676795642:113,331,391A/G—uncertain significance
rs560812412:113,332,241G/C—benign
rs621586432:113,332,271C/G—benign
rs101693442:113,332,421T/C—benign
rs7618445042:113,332,438G/A—uncertain significance
rs2010778092:113,332,446G/T—uncertain significance
rs16847905472:113,332,448T/A—uncertain significance
rs1433378082:113,332,498T/C—benign
rs13128670902:113,332,507C/T—uncertain significance
rs1902500222:113,332,509A/G—uncertain significance
rs1465323722:113,332,586G/A—benign
rs24676866952:113,332,778A/T—uncertain significance
rs7724874222:113,332,791A/G—uncertain significance
rs7465907642:113,332,801C/G—uncertain significance
rs16848130712:113,332,905C/T—pathogenic
rs16848143932:113,332,950C/T—uncertain significance
rs7645518652:113,332,957G/C—uncertain significance
rs1860609382:113,333,089G/A—likely benign
rs2009955082:113,333,172C/T—uncertain significance
rs1434166742:113,333,296A/G—uncertain significance
rs102051872:113,333,410C/T—benign

Gene information from NCBI Gene. Variant classifications from ClinVar.