>4kouA (A:) observed residues (from ATOM records)
mqlshrpaetgdletvagfpqdrdelfycypkaiwpfsvaqlaaaiaerrgstvavhdgq
vlgfanfyqwqhgdfcalgnmmvapaarglgvaryligvmenlareqykarlmkiscfna
naaglllytqlgyqpraiaerhdpdgrrvaliqmdkple