Table 4.

Nucleotide and amino acid sequence variation in sequences of L1 gene (region: MY09/MY11) of HPV 18 (9 samples)

L1 nucleotide position	6579	6581	6626	6663	6719	6749	6845	6917
Non-synonymous mutations	V384I	V384I	–	P412S	–	–	–	–
HPV 18 Ref (AY262282.1)	G	T	C	C	G	G	A	G
V0 (6)	–	–	–	–	–	–	–	–
V1 (1)	–	–	–	–	–	–	T	–
V2 (1)	A	C	T	–	A	A	–	A
V3 (1)	–	–	–	T	–	–	–	–

The coordinates refer to the first nucleotide of each specific HPV reference sequence used. Isolates found in this study were designated as HPV 18 V0, V1, V2 and V3. The number of isolates with identical sequences is indicated in parentheses