>1s4fA (A:) observed residues (from ATOM records)
virehnkwilkkirfqgnlntkkmlnpgklseqldregrkrniynhqigtimssagirle
klpivraqtdtktfheairdkidksenrqnpelhnklleifhtiaqptlkhtygevtweq
leagvnrkgaagflekknigevldsekhlveqlvrdlkagrkikyyetaipknekrdvsd
dwqagdlvvekrprviqypeaktrlaitkvmynwvkqqpvvipgyegktplfnifdkvrk
ewdsfnepvavsfdtkawdtqvtskdlqligeiqkyyykkewhkfidtitdhmtevpvit
adgevyirngqrgsgqpdtsagnsmlnvltmmyafcestgvpyksfnrvarihvcgddgf
litekglglkfankgmqilheagkpqkitegekmkvayrfediefcshtpvpvrwsdnts
shmagrdtavilskmatrldssgergttayekavafsfllmyswnplvrricllvlsqqp
etdpskhatyyykgdpigaykdvigrnlselkrtgfeklanlnlslstlgvwtkhtskri
iqdcvaigkeegnwlvkpdrlissktghlyipdkgftlqgkhy