Hemoglobin Flashcards
Hemoglobin Synthesis
Chromosome 16: 4 alpha alleles, 2 zeta
Chromosome 11: 2 beta alleles, 4 gammas (G and A), 2 deltas, 2 epsilon
Embryonic
Gower 1, Gower 2, Portland
Fetal
Hgb F
Adult
Hgb A, Hgb A2
Hgb A
Alpha and beta chains
Hgb A2
Alpha and gamma chains
Hgd C
Mutation of the 6th amino acid in the beta chain
Glutamate to lysine
Hgb D
Mutation of amino acid 121 on the beta chain
Glutamate to glycine
Hgb E
Mutation of amino acid 26 in the beta chain
Glutamate to lysine
Hgb F
Fetal hgb
Alpha and gamma chains
Hgb H
Beta chains
Hgb S
Mutation in the 6th amino acid in the beta chain
Glutamate to valine
Gower I
Zeta and epsilon chains
Gower II
Alpha and epsilon chains
Portland Hgb
Zeta and gamma chains
Seen in Alpha thalassemia/Hydrops fetalis