>4qn2B (B:) observed residues (from ATOM records)
mellkhlsqrqyidgewvesankntrdiinpynqeviftvsegtkedaerailaarrafe
sgewsqetaetrgkkvraiadkikehrealarletldtgktleesyadmddihnvfmyfa
gladkdggemidspipdteskivkepvgvvtqitpwnypllqaswkiapalatgcslvmk
pseitplttirvfelmeevgfpkgtinlilgagsevgdvmsghkevdlvsftgsietgkh
imknaannvtnialelggknpniifddadfelavdqalnggyfhagqvcsagsrilvqns
ikdkfeqalidrvkkiklgngfdadtemgpvistehrnkiesymdvakaegatiavggkr
pdrddlkdglffeptvitncdtsmrivqeevfgpvvtvegfeteqeaiqlandsiyglag
avfskdigkaqrvanklklgtvwindfhpyfaqapwggykqsgigrelgkegleeylvsk
hiltntnpqlvnwfsk