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FLASH GENE

Symbol

DDHD2

contributors: mct/shn - updated : 17-03-2021

HGNC name	DDHD domain containing 2
HGNC id	29106

FLASH GENE DNA RNA EXPRESSION PROTEIN DISORDER ANIMAL & CELL MODELS

PROTEIN

PHYSICAL PROPERTIES

STRUCTURE

motifs/domains	a WWE, lipase,
	a RIDYXL motif
	a SAM and a C-terminal DDHD domain that contain a minimal region for phosphatidylinositol 4-phosphate (Pl(4)P)-binding

HOMOLOGY

interspecies	ortholog to Ddhd2, Mus musculus
	ortholog to Ddhd2, Rattus norvegicus
	ortholog to DDHD2, Pan troglodytes
	ortholog to ddhd2, Danio rerio

Homologene

FAMILY

phosphatidic acid-preferring phospholipase A(1) protein family

CATEGORY

enzyme , regulatory

SUBCELLULAR LOCALIZATION	intracellular
	intracellular,cytoplasm,organelle,membrane
	intracellular,cytoplasm,organelle,endoplasmic reticulum
	intracellular,cytoplasm,organelle,Golgi
	intracellular,cytoplasm,cytosolic
	intracellular,cytoplasm,cytoskeleton,microtubule,centrosome
text	cis-Golgi and also to the endoplasmic-reticulum (ER)-Golgi intermediate compartment

basic FUNCTION	having a phospholipase A(1) activity preferentially for phosphatidic acid
	playing a role in morphology of organelles
	contributes to efficient membrane trafficking from the Golgi apparatus to the plasma membrane, but is not involved in brefeldin A-induced Golgi-to-endoplasmic reticulum retrograde transport
	required for efficient membrane trafficking from the Golgi apparatus to the plasma membrane
	an essential role in synaptic organization and transmission
	an essential role in lipid metabolism in the central nervous system
	phosphoinositide-binding and phospholipase activity depending on SAM and DDHD domains
	is a principal brain triglyceride lipase
	is a principal triglyceride hydrolase in the central nervous system
	importance of triglyceride metabolism for normal CNS function and the key role of DDHD2 in this process

CELLULAR PROCESS

cell organization/biogenesis

PHYSIOLOGICAL PROCESS

text	a phosphoinositide-binding protein with a phospholipase activity

PATHWAY

metabolism

signaling

a component

INTERACTION

DNA

RNA

small molecule

metal binding,

protein

cell & other

membranes

REGULATION

ASSOCIATED DISORDERS

corresponding disease(s)

SPG54

Other morbid association(s)

Type Gene Modification Chromosome rearrangement Protein expression Protein Function constitutional     --over   causes disorganization of the ER and Golgi

Susceptibility

Variant & Polymorphism

Candidate gene

Marker

Therapy target

ANIMAL & CELL MODELS

	Knockdown of Ddhd2 Drosophila ortholog resulted in a mild but highly significant decrease in active-zone number per synaptic terminal
	genetic deletion of this enzyme in mice leads to ectopic lipid droplet (LD) accumulation in neurons throughout the brain