>5vd6A (A:) observed residues (from ATOM records)
mqlshrpaetgdletvagfpqdrdelfycypkaiwpfsvaqlaaaiaerrgstvavhdgq
vlgfanfyqwqhgdfcalgnmmvapaarglgvaryligvmenlareqykarlmkiscfna
naaglllytqlgyqpraiaerhdpdgrrvaliqmdkplep