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Natural resistance-associated macrophage proteins (Nramps), also known as metal ion (Mn2+-iron) transporters (TC# 2.A.55), are a family of metal transport proteins found throughout all domains of life. Taking on an eleven-helix LeuT fold, the Nramp family is a member of the large APC Superfamily of secondary carriers. They transport a variety of transition metals such as manganese, cadmium, and manganese using an alternating access mechanism characteristic of secondary transporters.

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  • Natural resistance-associated macrophage proteins (Nramps), also known as metal ion (Mn2+-iron) transporters (TC# 2.A.55), are a family of metal transport proteins found throughout all domains of life. Taking on an eleven-helix LeuT fold, the Nramp family is a member of the large APC Superfamily of secondary carriers. They transport a variety of transition metals such as manganese, cadmium, and manganese using an alternating access mechanism characteristic of secondary transporters. The name "natural resistance-associated" macrophage proteins arises from the role in resistance of intracellular bacterial pathogens played by some animal homologs. Several human pathologies may result from defects in Nramp-dependent Fe2+ or Mn2+ transport, including iron overload, neurodegenerative diseases and innate susceptibility to infectious diseases. (en)
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dbp:authors(s)_
  • Saier Lab (en)
dbp:date
  • 2016-02-02 (xsd:date)
dbp:name
  • NRAMP family (en)
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  • 64 (xsd:integer)
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  • 4 (xsd:integer)
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  • 6 (xsd:integer)
dbp:pfam
  • PF01566 (en)
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  • http://www.tcdb.org/search/result.php?tc=2.A.55|sourcearticle=2.A.55 The Metal Ion Transporter Family (en)
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  • Natural resistance-associated macrophage proteins (Nramps), also known as metal ion (Mn2+-iron) transporters (TC# 2.A.55), are a family of metal transport proteins found throughout all domains of life. Taking on an eleven-helix LeuT fold, the Nramp family is a member of the large APC Superfamily of secondary carriers. They transport a variety of transition metals such as manganese, cadmium, and manganese using an alternating access mechanism characteristic of secondary transporters. (en)
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  • Natural resistance-associated macrophage protein (en)
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