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Protein Domain : DDHD domain

Primary Identifier  IPR004177 Type  Domain
Short Name  DDHD_dom
description  The Nir/rdgB (N-terminal domain-interacting receptor/Drosophila retinaldegeneration B proteins) family has been identified in a variety of eukaryoticorganisms, ranging from worms to mammals. Members of this family areimplicated in regulation of lipid trafficking, metabolism, and signaling. TheNir/rdgB proteins contain a 180 amino-acids-long conserved region in thecentral part of the protein. This domain contains four conserved residues,DDHD, which may form a metal-binding site. This domain is named DDHD afterthese four residues. This pattern of conservation of metal-binding residues isoften seen in phosphoesterase domains [].The DDHD domain is found in the central part of Nir/rdgB proteins, as well asthe C-terminal part of the phosphatidic acid-preferring phospholipase A1. TheDDHD domain function is not currently known but it may be implicated inphospholipid metabolism, membrane turnover, or intracellular trafficking [].

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77 Protein Domain Regions