>4f21A (A:) observed residues (from ATOM records) namnyelmepakqarfcviwlhgadghdfvdivnyfdvsldeirfifphadiipvtinmg mqmrawydikslslnrvvdveinssiakvnklidsqvnqiaseniilagfsqggiiatyt aitsqrklggimalstylpawdnfkgkitsinkglpilvchgtddqvlpevlghdlsdkl kvsgfaneykhyvgmqhsvcmeeikdisnfiaktfki