>2a0fB (B:) observed residues (from ATOM records) qveaikrgtvidhipaqigfkllslfkltetdqritiglnlpsgemgrkdlikientfls edqvdqlalyapqatvnridnyevvgksrpslperidnvlvcpnsncishaepvsssfav rkrandialkckycekefshnvvlan