Monday, April 16, 2007

topics read : Types of hemoglobins in humans


Types of hemoglobins in humans

In the embryo:
  • Gower 1 (ξ2ε2)
  • Gower 2 (α2ε2) ( PDB 1A9W)
  • Hemoglobin Portland (ξ2γ2)

In the fetus:

In adults:

  • Hemoglobin A (α2β2) (PDB 1BZ0) - The most common type.
  • Hemaglobin A22δ2) - δ chain synthesis begins late in the third trimester and in adults, it has a normal level of 2.5%
  • Hemoglobin F2γ2) - In adults Hemoglobin F is restricted to a limited population of red cells called F cells.
  • Hemoglobin S - The globular makeup of a sickle-celled hemoglobin.

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