>1a7aB (B:) observed residues (from ATOM records)
dklpykvadiglaawgrkaldiaenempglmrmrerysaskplkgariagclhmtvetav
lietlvtlgaevqwsscnifstqnhaaaaiakagipvyawkgetdeeylwcieqtlyfkd
gplnmilddggdltnlihtkypqllpgirgiseetttgvhnlykmmangilkvpainvnd
svtkskfdnlygcreslidgikratdvmiagkvavvagygdvgkgcaqalrgfgarviit
eidpinalqaamegyevttmdeacqegnifvtttgcidiilgrhfeqmkddaivcnighf
dveidvkwlnenavekvnikpqvdryrlkngrriillaegrlvnlgcamghpsfvmsnsf
tnqvmaqielwthpdkypvgvhflpkkldeavaeahlgklnvkltkltekqaqylgmscd
gpfkpdhyry