TABLE 4.

Amino acid changes in CHAT-VAPP isolates^a

Region	Position	Amino acid in strain:
		CHAT	134	135	136	Mahoney
VP1	36	Val	Ala			Thr
	90	Met			Leu	Met
	102	Gly	Asp			Asp
	104	Leu		Gln		Leu
	221	Pro	Ser	Ser	Ser	Ser
	231	Ala			Val	Ala
	242	Val	Ala			Val
VP2	138	Thr	Ser			Thr
	142	Tyr	His			His
	241	Ser	Asn			Ser
VP3	82	Ile	Val			Ile
	192	Ile	Val	Val		Val
2A	25	Glu				Asp
	32	Asn	Ser			Asn
	36	Asn	Asp			Ser
	59	Ala	Thr			Ala
	87	Asn			Asp	Asn
2B	54	Ile	Val			Ile
3A	86	His	Tyr	Tyr	Tyr	His
VPg	21	Val	Ala			Ala
3C	131	Val	Thr	Thr		Thr
3D	6	Val	Met			Met
	12	Val	Ala			Val
	21	Ser	Thr			Ser
	37	Ala	Val			Val
	143	Lys	Arg			Lys
	147	Thr	Ala			Thr
	209	Arg	Gly			Gly

^aReversion to wild-type Mahoney sequences is indicated by italics. No changes were detected in strain 137.