In sickle cell anaemia, the sequence of ...

In sickle cell anaemia, the sequence of amino acid from first to seventh position of `beta`-chain of haemoglobin S (HbS) is

His, Leu, Thr, Pro, Glu, Val, Val

Val, His, Leu, Thr,Pro,Glu, Glu

Thr, His Pro, Val, Pro, Val, Glu

Glu, His, Leu, Pro, Val, Glu, Glu

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