>1n22A (A:) observed residues (from ATOM records)
irrsgnyqpalwdsnyiqslntpyteerhldrkaelivqvrillkekmepvqqlelihdl
kylglsdffqdeikeilgviynehkcfhdlyftalgfrllrqhgfnisqdvfncfknekg
idfkaslaqdtkgmlqlyeasfllrkgedtlelarefatkclqkkldeidenlllwirhs
ldlplhwriqsvearwfidayarrpdmnplifelaklnfniiqathqqelkdlsrwwsrl
cfpeklpfvrdrlvesffwavgmfephqhgyqrkmaatiivlatviddiydvygtldele
lftdtfkrwdtesitrlpyymqlcywgvhnyisdaaydilkehgffclqylrksvvdlve
ayfheakwyhsgytpsldeylniakisvaspaiisptyftfanashdtavidslyqyhdi
lclagiilrlpddlgtsyfelargdvpktiqcymketnaseeeavehvkflireawkdmn
taiaagypfpdgmvagaanigrvaqfiylhgdgfgvqhsktyehiagllfepya