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A member asked:
What is the amino acid substitution in sickle cell anemia?
3 doctors weighed in across 2 answers
Valine for Glutamic: Sickle cell anemia is caused by a point mutation in the β-globin chain of hemoglobin, causing valine to replace glutamic acid (sixth position), found on chromosome 11.
Answered 8/24/2018
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See below: The normal glutamic acid is replaced by valine at position 6 of the beta globin chain.
Answered 10/2/2012
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