Article
Hb Seal Rock [(alpha 2)142 term-->Glu, codon 142 TAA-->GAA]: an extended alpha chain variant associated with anemia, microcytosis, and alpha-thalassemia-2 (-3.7 Kb).
Hemoglobin - 1 Jul 1997
Merritt D, Jones R T, Head C, Thibodeau S N, Fairbanks V F, Steinberg M H, Coleman M B, Rodgers G P
Abstract excerpt
Hb Seal Rock was first reported in a young African-American women and her 2-year-old daughter (1). It is an extended alpha chain variant which, like Hb Constant Spring, is present in small quantity and is expressed as an alpha-thalassemia. The mutation, TAA-->GAA affects codon 142 of the alpha 2 gene. In this family, the index case was a compound heterozygote for Hb Seal Rock trait and for alpha-thalassemia trait...
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