>4p48A (A:) observed residues (from ATOM records)
altqpssvsanpggtveitcsgggryydgsyyygwyqqkspgsapvtviyentkrpsnip
srfsgsksgstatltitgvraedeavyycgsaddnmnptifgagttltvlgaltldesgg
glqtpggalslvckasgftfssygmqwvrqapgkglewvagiqnddtgtyygaavkgrat
isrdngqstvrlqlnnlraedtgtyycakdassdggyggdsidawghgtevivss