>4s2uA (A:) observed residues (from ATOM records)
pdmklfagnatpelaqrianrlytslgdaavgrfsdgevsvqinenvrggdifiiqstca
ptndnlmelvvmvdalrrasagritavipyfgyarqdrrvrsarvpitakvvadflssvg
vdrvltvdlhaeqiqgffdvpvdnvfgspilledmlqlnldnpivvspdiggvvraraia
kllndtdmaiidkrrpranvsqvmhiigdvagrdcvlvddmidtggtlckaaealkerga
krvfayathpifsgnaannlrnsvidevvvcdtiplsdeikslpnvrtltlsgmlaeair
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