>2z2cA (A:) observed residues (from ATOM records)
mdkfrvqgptklqgevtisgaknaalpilfaallaeepveiqnvpklkdvdtsmkllsql
gakverdgsvhidardvnvfcapydlvktmrasiwalgplvarfgqgqvslpggctigar
pvdlhisgleqlgatikleegyvkasvdgrlkgahivmdkvsvgatvtimcaatlaegtt
iienaarepeivdtanflitlgakisgqgtdriviegverlgggvyrvlpdrietgtflv
aaaisrgkiicrnaqpdtldavlaklrdagadievgedwisldmhgkrpkavnvrtaphp
afptdmqaqftllnlvaegtgfitetvfenrfmhvpelsrmgahaeiesntvichgvekl
sgaqvmatdlrasaslvlagciaegttvvdriyhidrgyeriedklralganiervkg