▁New ▁Brun sw ick . ▁ ▁History ▁ ▁Notable ▁people ▁ ▁Matthew ▁V . ▁Dob son - ▁No ble ▁Ch ip ▁Sales man ▁and ▁self ▁proc laimed ▁Mayor . ▁ ▁See ▁also ▁List ▁of ▁communities ▁in ▁New ▁Brun sw ick ▁ ▁References ▁ ▁Category : Comm un ities ▁in ▁West mor land ▁County , ▁New ▁Brun sw ick ▁Category : Comm un ities ▁in ▁Gre ater ▁Mon ct on <0x0A> </s> ▁H ex os amin id ase ▁A ▁( alpha ▁pol ype pt ide ), ▁also ▁known ▁as ▁H EX A , ▁is ▁an ▁en zym e ▁that ▁in ▁humans ▁is ▁encoded ▁by ▁the ▁H EX A ▁gene , ▁located ▁on ▁the ▁ 1 5 th ▁chrom os ome . ▁ ▁H ex os amin id ase ▁A ▁and ▁the ▁c of actor ▁G M 2 ▁activ ator ▁protein ▁catal y ze ▁the ▁de grad ation ▁of ▁the ▁G M 2 ▁gang li os ides ▁and ▁other ▁mole cules ▁containing ▁terminal ▁N - ac et yl ▁hex os am ines . ▁▁ ▁H ex os amin id ase ▁A ▁is ▁a ▁heter od imer ▁composed ▁of ▁an ▁alpha ▁sub unit ▁( this ▁protein ) ▁and ▁a ▁beta ▁sub unit . ▁ ▁The ▁alpha ▁sub unit ▁pol ype pt ide ▁is ▁encoded ▁by ▁the ▁H EX A ▁gene ▁while ▁the ▁beta ▁sub unit ▁is ▁encoded ▁by ▁the ▁H EX B ▁gene . ▁ ▁Gene ▁mut ations ▁in ▁the ▁gene ▁encoding ▁the ▁beta ▁sub unit ▁( H EX B ) ▁often ▁result ▁in ▁Sand hoff