spherocytosis, hereditary, type 4(redirected from hereditary spherocytosis type 4)
spherocytosis, hereditary, type 4An autosomal haematologic disorder (OMIM:612653) characterised by numerous abnormally shaped, generally spheroid erythrocytes accompanied by chronic haemolytic anaemia.
Caused by defects of SLC4A1, which encodes a protein with an N-terminal 40kDa domain that is located in the cytoplasm and acts as an attachment site for the red cell skeleton by binding ankyrin.
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