>2w9lS (S:) observed residues (from ATOM records)
apitlwtgpgpsingfindtpvircficltrdsnlvtvnasfvgeggyrivsptqsqfsl
imefdqfgqlmstgninstttwgekpwgnntvqprpshtwklcmpnrevystpaatisrc
gldsiavdgapsrsidcmliinkpkgvatytltfrflnfnrlsggtlfktdvltftyvge
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