Article
A novel cis-AB allele derived from the A transferase gene by nucleotide substitution C796A.
Annals of clinical and laboratory science - 1 Jan 2004
Chen Ding-Ping, Tseng Ching-Ping, Wang Wei-Ting, Wang Mei-Chia, Tsao Kuo-Chien, Wu Tsu-Lan, Sun Chien-Feng
Abstract excerpt
The cis-AB is a very rare phenotype in the ABO blood group system. It corresponds to a special ABO allele encoding a glycosyltransferase that is capable of synthesizing both A and B antigens. Until now, gene sequences of only 3 cis-AB alleles were characterized. One was the A(1v) allele with a nucleotide substitution G803C at codon 268; the second was the B allele with a nucleotide substitution A796C at codon...
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