>4czmA (A:) observed residues (from ATOM records)
isndiaidlgtantliyqkgkgivlnepsvvalrnvggrkvvhavgieakqmlgrtpghm
eairpmrdgviadfevaeemikyfirkvhnrkgsgnpkvivcvpsgataverraindscl
nagarrvglidepmaaaigaglpiheptgsmvvdigggttevavlslsgivysrsvrvgg
dkmdeaiisymrrhhnlligettaerikkeigtarapadgeglsidvkgrdlmqgvprev
risekqaadalaepvgqiveavkvaleatppeladdiadkgimltgggallrgldaeird
htglpvtvaddplscvalgcgkvlehpkwmkgvles