CYP8B1

cytochrome P450 family 8 subfamily B member 1

Summary

This gene encodes a member of the cytochrome P450 superfamily of enzymes. The cytochrome P450 proteins are monooxygenases which catalyze many reactions involved in drug metabolism and synthesis of cholesterol, steroids and other lipids. This endoplasmic reticulum membrane protein catalyzes the conversion of 7 alpha-hydroxy-4-cholesten-3-one into 7-alpha,12-alpha-dihydroxy-4-cholesten-3-one. The balance between these two steroids determines the relative amounts of cholic acid and chenodeoxycholic acid both of which are secreted in the bile and affect the solubility of cholesterol. This gene is unique among the cytochrome P450 genes in that it is intronless. [provided by RefSeq, Jul 2008]

Known Variants36 total

rsidPosition (GRCh37)AllelesClassClinVar
rs37328603:42,914,012T/A
rs37328613:42,914,325G/Aintron variant
rs28882723:42,914,877C/Gintron variant
rs3704772263:42,915,982T/Cuncertain significance
rs1382928743:42,916,001G/Tlikely benign
rs10243813033:42,916,016C/Tuncertain significance
rs7703179823:42,916,035T/Auncertain significance
rs1473568603:42,916,064C/Tlikely benign
rs1120661753:42,916,105C/Tbenign
rs25286026553:42,916,120G/Auncertain significance
rs5432454383:42,916,135T/Clikely benign
rs2000692313:42,916,146A/Guncertain significance
rs7664890473:42,916,180G/Auncertain significance
rs617471863:42,916,238G/Abenign
rs356378773:42,916,240G/Abenign
rs25286029183:42,916,245G/Tuncertain significance
rs5280955723:42,916,264G/Auncertain significance
rs7418173:42,916,511C/Abenign
rs2013375753:42,916,530T/Auncertain significance
rs7786775763:42,916,585C/Tuncertain significance
rs357644593:42,916,596T/Cbenign
rs2005996113:42,916,617C/Tuncertain significance
rs7670775223:42,916,620C/Tuncertain significance
rs7650096273:42,916,711C/Tuncertain significance
rs12064448023:42,916,715C/Auncertain significance
rs3678848933:42,916,750C/Guncertain significance
rs3699817753:42,916,835A/Tuncertain significance
rs790955063:42,916,879G/Abenign
rs12538048303:42,916,933C/Tuncertain significance
rs7513849663:42,916,958T/Guncertain significance
rs98657153:42,917,047A/Tmissense variant
rs2002743443:42,917,071C/Tuncertain significance
rs25286050373:42,917,097T/Auncertain significance
rs14493930623:42,917,148A/Guncertain significance
rs7529431063:42,917,200T/Cuncertain significance
rs3739222713:42,917,227G/Auncertain significance

Gene information from NCBI Gene. Variant classifications from ClinVar.