>1u4qB (B:) observed residues (from ATOM records)
qqnfntgikdfdfwlseveallasedygkdlasvnnllkkhqlleadisahedrlkdlns
qadslmtssafdtsqvkdkretingrfqriksmaaarraklneshrlhqffrdmddeesw
ikekkllvssedygrdltgvqnlrkkhkrleaelaahepaiqgvldtgkklsddntigke
eiqqrlaqfvdhwkelkqlaaargqrleesleyqqfvanveeeeawinekmtlvasedyg
dtlaaiqgllkkheafetdftvhkdrvndvcangedlikknnhhvenitakmkglkgkvs
dlekaaaqrkakldens