SHH

sonic hedgehog signaling molecule

Summary

This gene encodes a protein that is instrumental in patterning the early embryo. It has been implicated as the key inductive signal in patterning of the ventral neural tube, the anterior-posterior limb axis, and the ventral somites. Of three human proteins showing sequence and functional similarity to the sonic hedgehog protein of Drosophila, this protein is the most similar. The protein is made as a precursor that is autocatalytically cleaved; the N-terminal portion is soluble and contains the signalling activity while the C-terminal portion is involved in precursor processing. More importantly, the C-terminal product covalently attaches a cholesterol moiety to the N-terminal product, restricting the N-terminal product to the cell surface and preventing it from freely diffusing throughout the developing embryo. Defects in this protein or in its signalling pathway are a cause of holoprosencephaly (HPE), a disorder in which the developing forebrain fails to correctly separate into right and left hemispheres. HPE is manifested by facial deformities. It is also thought that mutations in this gene or in its signalling pathway may be responsible for VACTERL syndrome, which is characterized by vertebral defects, anal atresia, tracheoesophageal fistula with esophageal atresia, radial and renal dysplasia, cardiac anomalies, and limb abnormalities. Additionally, mutations in a long range enhancer located approximately 1 megabase upstream of this gene disrupt limb patterning and can result in preaxial polydactyly. [provided by RefSeq, Jul 2008]

Known Variants407 total

rsidPosition (GRCh37)AllelesClassClinVar
rs8680961257:155,592,770G/T—pathogenic
rs1488637697:155,592,835C/T—benign
rs7474144037:155,592,836G/A—likely benign
rs5707105677:155,592,853A/G—likely benign
rs12396535627:155,592,857G/A—likely benign
rs5748993207:155,592,872C/T—likely benign
rs5552282437:155,592,873G/A—likely benign
rs12335607:155,593,438G/A3 prime UTR variant—
rs1116582847:155,595,382A/G—likely benign
rs7689298577:155,595,559G/C—likely benign
rs7673157737:155,595,565T/C—likely benign
rs7729156977:155,595,569G/C—likely benign
rs7544804317:155,595,586C/A—conflicting classifications of pathogenicity
rs7523715427:155,595,589C/T—likely benign
rs7566286087:155,595,618C/T—likely benign
rs10138984227:155,595,632C/T—uncertain significance
rs9698020787:155,595,643A/G—uncertain significance
rs21171247797:155,595,648C/T—likely pathogenic
rs25358912047:155,595,649C/T—uncertain significance
rs13015939587:155,595,652G/A—uncertain significance
rs7722081007:155,595,661T/C—uncertain significance
rs21171248807:155,595,674G/A—likely pathogenic
rs15544936077:155,595,676G/T—pathogenic
rs21171249047:155,595,679T/C—likely pathogenic
rs25358913367:155,595,681C/T—pathogenic
rs18032307627:155,595,687G/C—uncertain significance
rs18032309457:155,595,691C/T—uncertain significance
rs7707807727:155,595,693C/T—likely benign
rs7595193477:155,595,701C/T—uncertain significance
rs7636655897:155,595,704C/T—uncertain significance
rs15631986797:155,595,711C/T—uncertain significance
rs7806186197:155,595,712G/A—uncertain significance
rs1048940487:155,595,713G/Cmissense variantpathogenic
rs13845018037:155,595,717G/A—likely benign
rs7555772987:155,595,720G/A—likely benign
rs13697842457:155,595,764C/T—uncertain significance
rs13218453127:155,595,766C/T—uncertain significance
rs11625769757:155,595,772C/T—uncertain significance
rs18032372557:155,595,773C/T—uncertain significance
rs12511533857:155,595,777G/A—likely benign
rs13952030137:155,595,784T/A—uncertain significance
rs13706088677:155,595,787C/T—uncertain significance
rs9770025107:155,595,788C/T—uncertain significance
rs13460478327:155,595,795G/A—likely benign
rs5518096807:155,595,802C/T—conflicting classifications of pathogenicity
rs7512398677:155,595,805G/C—uncertain significance
rs18032393337:155,595,807G/A—likely benign
rs11316922647:155,595,812C/T—uncertain significance
rs25358921717:155,595,814A/G—uncertain significance
rs18032398557:155,595,816T/A—likely benign
rs9418045917:155,595,819A/G—benign
rs25358922297:155,595,828C/T—likely benign
rs15847966597:155,595,834C/A—likely benign
rs1378533417:155,595,836C/Tmissense variantuncertain significance
rs18032409237:155,595,841C/A—uncertain significance
rs11830167967:155,595,849C/T—likely benign
rs12586618737:155,595,851C/T—uncertain significance
rs25358923317:155,595,856G/T—uncertain significance
rs21171262177:155,595,863G/A—uncertain significance
rs15544937227:155,595,867C/T—likely pathogenic
rs12659113557:155,595,869A/G—uncertain significance
rs7533155997:155,595,881C/A—likely pathogenic
rs7583971207:155,595,882G/C—uncertain significance
rs13045548667:155,595,888C/A—likely benign
rs21171263317:155,595,889G/A—uncertain significance
rs7472029477:155,595,897C/G—likely benign
rs8660059107:155,595,898G/A—likely pathogenic
rs18032433447:155,595,900G/C—likely benign
rs7575017147:155,595,901G/A—uncertain significance
rs1919035727:155,595,905G/A—conflicting classifications of pathogenicity
rs18032439017:155,595,910C/T—uncertain significance
rs10575242437:155,595,923T/C—uncertain significance
rs25358926397:155,595,928C/T—conflicting classifications of pathogenicity
rs7680257527:155,595,935C/A—uncertain significance
rs8860424587:155,595,943G/Amissense variantpathogenic
rs21171266557:155,595,946G/A—conflicting classifications of pathogenicity
rs11780845247:155,595,954G/C—likely benign
rs10575180567:155,595,955C/Tmissense variantpathogenic
rs14690414267:155,595,958G/A—uncertain significance
rs9045752967:155,595,960G/A—likely benign
rs15631989907:155,595,965C/A—pathogenic
rs25358928547:155,595,969G/C—likely benign
rs18032463647:155,595,970C/A—uncertain significance
rs25358928717:155,595,971T/A—uncertain significance
rs5877787747:155,595,978C/T—benign
rs13039618287:155,595,985T/G—uncertain significance
rs1048940527:155,595,988A/Gmissense variantpathogenic
rs12235001457:155,595,989C/T—uncertain significance
rs8860434217:155,595,994G/A—uncertain significance
rs7656931037:155,596,011G/A—uncertain significance
rs18032487927:155,596,016C/T—uncertain significance
rs14229081997:155,596,017G/T—uncertain significance
rs14800633987:155,596,019C/T—likely benign
rs18032490917:155,596,022G/T—uncertain significance
rs11599117567:155,596,025C/A—pathogenic
rs7531229797:155,596,026G/A—likely benign
rs25358931797:155,596,031C/T—uncertain significance
rs21171271377:155,596,039A/C—uncertain significance
rs21171271487:155,596,040C/T—uncertain significance
rs25358932697:155,596,053G/A—likely benign

Showing 100 of 407 variants. Use the SNP search for the full list.

Gene information from NCBI Gene. Variant classifications from ClinVar.