>1d4fB (B:) observed residues (from ATOM records)
dklpykvadiglaawgrkaldiaenempglmrmremysaskplkgariagclhmtvetav
lietlvalgaevrwsscnifstqdhaaaaiakagipvfawkgetdeeylwcieqtlhfkd
gplnmilddggdltnlihtkhpqllsgirgiseetttgvhnlykmmangilkvpainvnd
svtkskfdnlygcreslidgikratdvmiagkvavvagygdvgkgcaqalrgfgarviit
eiepinalqaamegyevttmdeackegnifvtttgcvdiilgrhfeqmkddaivcnighf
dveidvkwlnenavekvnikpqvdryllknghriillaegrlvnlgcamghpsfvmsnsf
tnqvmaqielwthpdkypvgvhflpkkldeavaeahlgklnvkltkltekqaqylgmpin
gpfkpdhyry