AA abrev

Ala	A
Arg	R
Asn	N
Asp	D
Cys	C
Gln	Q
Glu	E
Gly	G
His	H
Ile	I
Leu	L
Lys	K
Met	M
Phe	F
Pro	P
Ser	S
Thr	T
Trp	W
Tyr	Y
Val	V
Asx	B
Glx	Z
Xaa	X

NT abrev

M	A,C
K	G,T
R	A,G
Y	C,T
W	A,T
S	C,G
V	not T
H	not G
D	not C
B	not A
X	A,C,T,G
N	any
.	not A,C,G,T