>4yhfB (B:) observed residues (from ATOM records)
lgygsweidpkdltflkelgtgqfgvvkygkwrgqydvaikmikegsmsedefieeakvm
mnlsheklvqlygvctkqrpifiiteymangcllnylremrhrfqtqqllemckdvceam
eyleskqflhrdlaarnclvndqgvvkvsdfglsryvlddeytssvgskfpvrwsppevl
myskfssksdiwafgvlmweiyslgkmpyerftnsetaehiaqglrlyrphlasekvyti
myscwhekaderptfkillsnildvmdee