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

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

Gene information from NCBI Gene. Variant classifications from ClinVar.