[ None ]

[ COO- ]
[ replace ]
C		C	12.011	0.27
[ add ]
2	3	O	C	CA	N
	OM	15.9994	-0.635
[ delete ]
O
[ impropers ]
C	O1	O2	CA	

[ COOH ]
[ replace ]
C		C	12.011	0.53
O		OA	15.9994	-0.548
[ add ]
1	2	OT	C	CA	N
	O	15.9994	-0.38
1	2	HO	O	C	CA
	HO	1.008	0.398