This chain combines with another pro-alpha1(I) chain and also with a pro-alpha2(I) chain (produced by the COL1A2 gene) to make a molecule of type I procollagen.
Metekohy worked with Headhunterz again in 2011, on his song "Tonight" which also featured another fellow Dutch hardstyle act: Noisecontrollers, the song proved successful also and was nominated for a 2012 hard dance award of which the song was put upon the compilation album "Hard Dance Awards 2012" where it was featured as a remix from Alpha².