>4czeA (A:) observed residues (from ATOM records)
sndiaidlgtantliyqkgkgivlnepsvvalrnvggrkvvhavgieakqmlgrtpghme
airpmrdgviadfevaeemikyfirkvhnrkgfvnpkvivcvpsgataverraindscln
agarrvglidepmaaaigaglpiheptgsmvvdigggttevavlslsgivysrsvrvggd
kmdeaiisymrrhhnlligettaerikkeigtarapeglsidvkgrdlmqgvprevrise
kqaadalaepvgqiveavkvaleatppelasdiadkgimltgggallrgldaeirdhtgl
pvtvaddplscvalgcgkvle