RESIDUE 00E 21 CONECT C 3 O CA OXT CONECT O 1 C CONECT CA 4 C NB HAA HAB CONECT NB 3 CA CD1 CD2 CONECT OZ 2 CE1 CE2 CONECT CD1 4 NB CE1 HD1 HD1A CONECT CD2 4 NB CE2 HD2 HD2A CONECT CE1 4 OZ CD1 HE1 HE1A CONECT CE2 4 OZ CD2 HE2 HE2A CONECT OXT 2 C HXT CONECT HAA 1 CA CONECT HAB 1 CA CONECT HD1 1 CD1 CONECT HD1A 1 CD1 CONECT HD2 1 CD2 CONECT HD2A 1 CD2 CONECT HE1 1 CE1 CONECT HE1A 1 CE1 CONECT HE2 1 CE2 CONECT HE2A 1 CE2 CONECT HXT 1 OXT END HET 00E 21 HETNAM 00E morpholin-4-ylacetic acid FORMUL 00E C6 H11 N O3