RES 1b:a-dglc-HEX-1:5 2r:r1 3b:a-dglc-HEX-1:5 4s:amino LIN 1:1o(4+1)2n 2:2n(4+1)3d 3:3d(2+1)4n 4:3o(4+1)1d REP REP1:5o(4+1)5d=-1--1 RES 5b:a-dglc-HEX-1:5