>1u10A (A:) observed residues (from ATOM records)
atpwqkitqpvpgsaqsigsfsngcivgadtlpiqsehyqvmrtdqrryfghpdlvmfiq
rlssqvsnlgmgtvligdmgmpaggrghashqtgldvdiflqlpktrwtsaqllrpqald
lvsrdgkhvvstlwkpeifsliklaaqdkdvtrifvnpaikqqlcldagtdrdwlrkvrp
wfqhrahmhvrlrcpadslecedqplppsgdgcgaelqswfelppscqalld