No 7, respectively; or displays at least 80% homology with one or more of these amino acid sequences; and displays immunological cross reactivity with an antibody raised against an α amylase having one of these amino acid sequences; and is encoded by {HEAD ~ a DNA sequence} which hybridizes with {TAIL ~ the same probe} as a DNA sequence encoding an α amylase having one of these amino acid sequences; in which variant: 
hybridizes with
No 7 , respectively ; or displays at least 80 % homology with one or more of these amino acid sequences ; and displays immunological cross reactivity with an antibody raised against an α amylase having one of these amino acid sequences ; and is encoded by { HEAD ~ a DNA sequence } which hybridizes with { TAIL ~ the same probe } as a DNA sequence encoding an α amylase having one of these amino acid sequences ; in which variant :
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH