>2h21A (A:) observed residues (from ATOM records)
lspavqtfwkwlqeegvitaktpvkasvvteglglvalkdisrndvilqvpkrlwinpda
vaaseigrvcselkpwlsvilflirersredsvwkhyfgilpqetdstiywseeelqelq
gsqllkttvsvkeyvkneclkleqeiilpnkrlfpdpvtlddffwafgilrsrafsrlnl
vvvpmadlinhsagvttedhayevylfslksplsvkageqvyiqydlnksnaelaldygf
iepnenrhaytltleisesdpffddkldvaesngfaqtayfdifynrtlppgllpylrlv
alggtdaflleslfrdtiwghlelsvsrdneellckavreacksalagyhttieqdrelk
egnldsrlaiavgiregekmvlqqidgifeqkeleldqleyyqerrlkdlglcgengdil
enly