RESIDUE 1SH 19 CONECT O4 2 P1 H1 CONECT P1 4 O4 O1 O3 O2 CONECT O1 1 P1 CONECT O3 2 P1 H2 CONECT O2 2 P1 C1 CONECT C1 4 O2 C2 H3 H4 CONECT C2 4 C1 N1 H5 H6 CONECT N1 3 C2 C3 H7 CONECT C3 4 N1 H9 H10 H11 CONECT H1 1 O4 CONECT H2 1 O3 CONECT H3 1 C1 CONECT H4 1 C1 CONECT H5 1 C2 CONECT H6 1 C2 CONECT H7 1 N1 CONECT H9 1 C3 CONECT H10 1 C3 CONECT H11 1 C3 END HET 1SH 19 HETNAM 1SH 2-(methylamino)ethyl dihydrogen phosphate FORMUL 1SH C3 H10 N1 O4 P1