>1xltH (H:) observed residues (from ATOM records)
mkiaipkerrpgedrvaispevvkklvglgfeviveqgagvgasitddaltaagatiast
aaqalsqadvvwkvqrpmtaeegtdevalikegavlmchlgaltnrpvvealtkrkitay
amelmprisraqsmdilssqsnlagyravidgayefarafpmmmtaagtvpparvlvfgv
gvaglqaiatakrlgavvmatdvraatkeqveslggkfiteefrkkqaeavlkelvktdi
aittalipgkpapvliteemvtkmkpgsviidlaveaggncplsepgkivvkhgvkivgh
tnvpsrvaadasplfaknllnfltphvdkdtktlvmkledetvsgtcvtrdgaivhp