>4k2hM (M:) observed residues (from ATOM records)
mkkvavllapgfeeaeaivtldilrrlhidvetlacaesravvsyhdipmvadstlserq
qalfdavvlpggpqgsanlaanpaviafvarhdaagklicpiasaaarvlgahgllkgrr
yvcsgdlwkavpegvyvdapvvedgnlisgkglghvfdfaltlsarllgddapvreqaeh
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