>4iw3A (A:) observed residues (from ATOM records)
hpmlaavvddlathgwsqqahflpadlvralaaecrrrdaegelnpagvgrgatqevret
irgdqiqwidpgqaeacdqylaamdqlrlainqglflgledfechfalyppgafyrrhld
rfrdddrrmvsavlylnegwqphdggqlrmfladgvehdvepvagclvvflsgevphevl
pagrerlsltgwfrrrgndpf