Table 1. Sequence variations in common... | American Society of Hematology

Table 1.

Sequence variations in common ABO alleles (base changes shown with reference to the A¹ allele)

Exon	3	4		5	6		7
PCR Fragment^*					F1		F2											F3
Nucleotide	106	188	189	220	261	297	467	526	646	657	681	703	771	796	802	803	829	930	10591061	1096
A¹	G	G	C	C	G	A	C	C	T	C	G	G	C	C	G	G	G	G	C	G
A^1v							T
A²							T												—
B						G		G		T		A		A		C		A		A
O¹					—
O^1v	T	A	T	T	—	G			A		A		T				A
O²						G		G							A					A

Exon	3	4		5	6		7
PCR Fragment^*					F1		F2											F3
Nucleotide	106	188	189	220	261	297	467	526	646	657	681	703	771	796	802	803	829	930	10591061	1096
A¹	G	G	C	C	G	A	C	C	T	C	G	G	C	C	G	G	G	G	C	G
A^1v							T
A²							T												—
B						G		G		T		A		A		C		A		A
O¹					—
O^1v	T	A	T	T	—	G			A		A		T				A
O²						G		G							A					A

F1, F2, and F3 are the 3 PCR fragments used to assay the known single nucleotide polymorphisms. Note that deletions are denoted by dashes.