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1gg3

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Template:STRUCTURE 1gg3

Contents

CRYSTAL STRUCTURE OF THE PROTEIN 4.1R MEMBRANE BINDING DOMAIN

Template:ABSTRACT PUBMED 11017195

Disease

[41_HUMAN] Defects in EPB41 are the cause of elliptocytosis type 1 (EL1) [MIM:611804]. EL1 is a Rhesus-linked form of hereditary elliptocytosis, a genetically heterogeneous, autosomal dominant, hematologic disorder. It is characterized by variable hemolytic anemia and elliptical or oval red cell shape. Defects in EPB41 are a cause of hereditary pyropoikilocytosis (HPP) [MIM:266140]. HPP is an autosomal recessive hematologic disorder characterized by hemolytic anemia, microspherocytosis, poikilocytosis, and an unusual thermal sensitivity of red cells.

Function

[41_HUMAN] Protein 4.1 is a major structural element of the erythrocyte membrane skeleton. It plays a key role in regulating membrane physical properties of mechanical stability and deformability by stabilizing spectrin-actin interaction. Recruits DLG1 to membranes.

About this Structure

1gg3 is a 3 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

  • Han BG, Nunomura W, Takakuwa Y, Mohandas N, Jap BK. Protein 4.1R core domain structure and insights into regulation of cytoskeletal organization. Nat Struct Biol. 2000 Oct;7(10):871-5. PMID:11017195 doi:10.1038/82819

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