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. Author manuscript; available in PMC: 2011 May 1.
Published in final edited form as: Virus Res. 2010 Feb 4;149(2):190–196. doi: 10.1016/j.virusres.2010.01.017

Table 1.

Nucleotide polymorphisms and consequent amino acid substitutions within the BKV subtyping region, used by Jin et al. (1993) to classify the different BKV isolates into four viral subtypes. Non-discriminatory nucleotides have been omitted for simplicity.

BKV subtype (viral strain) Nucleotides at indicated positionsa

1744–46 1747 1760 1765–67 1768–70 1775 1784 1787 1792–94 1809 1811
I (DUN) G.A A T .TA AAG G A A AGC G G
II (SB) G.T A A .TA AAG C A C GAC C A
III (AS) G.T A A .AG CAC G A C GAG C G
IV (IV) A.T G A .TA AGA C C C GAG C G
Amino acids at indicated positions

61 62 66 68 69 71 74 75 77 82 83
I (DUN) Glu Asn Phe Leu Lys Ser Asn Asp Ser Glu Arg
II (SB) Asp Asn Tyr Leu Lys Thr Asn Ala Asp Asp Lys
III (AS) Asp Asn Tyr Gln His Ser Asn Ala Glu Asp Arg
IV (IV) Asn Asp Tyr Leu Arg Thr Thr Ala Glu Asp Arg
a

Numbering according to Seif et al., 1979