>4ef3A (A:) observed residues (from ATOM records)
erptlpipdllttdarnriqltigagqstfggktattwgyngnllgpavklqrgkavtvd
iynqlteettlhwhglevpgevdggpqgiippggkrsvtlnvdqpaatcwfhphqhgktg
rqvamglaglvvieddeilklmlpkqwgiddvpvivqdkkfsadgqidyqldvmtaavgw
fgdtlltngaiypqhaaprgwlrlrllngcnarslnfatsdnrplyviasdggllpepvk
vselpvlmgerfevlvevndnkpfdlvtlpvsqmgmaiapfdkphpvmriqpiaisasga
lpdtlsslpalpslegltvrklqlsmdpmldmmgmqmlmekygdqamagmfdfhhankin
gqafdmnkpmfaaakgqyerwvisgvgdmmlhpfhihgtqfrilsengkppaahragwkd
tvkvegnvsevlvkfnhdapkehaymahchllehedtgmmlgftvg