>4acaD (D:) observed residues (from ATOM records)
dfkninlgifghidhgkttlskvlteiastsahdklpesqkrgitidigfsafklenyri
tlvdapghadliravvsaadiidlalivvdakegpktqtgehmlildhfnipiivvitks
dnagteeikrtemimksilqsthnlknssiipisaktgfgvdelknliittlnnaeiirn
tesyfkmpldhafpikgagtvvtgtinkgivkvgdelkvlpinmstkvrsiqyfkesvme
akagdrvgmaiqgvdakqiyrgciltskdtklqtvdkivakikisdifkynltpkmkvhl
nvgmlivpavavpfkkvtfgkteeniilnevisgnecycafeleekvlaevgdrvlitrl
dlppttlricghglieefkpikdlnikkevlregkvkidkgrtvidglaqskvaaeklig
eeisiegkdivgkikgtfgtkglltaefsgnvenrdkvilnrlrrwg