3.5.1.23: ceramidase This is an abbreviated version! For detailed information about ceramidase, go to the full flat file .
Reaction
a ceramide +
H2O =
a carboxylate +
sphingosine
Synonyms (dihydro)ceramidase, AC, aCDase, ACER, ACER type 3, ACER-2, ACER1, ACER2, ACER3, acid ceramidase, acylsphingosine deacylase, adiponectin receptor, ADIPOR2, alkaline ceramidase, alkaline ceramidase 1, alkaline ceramidase 2, alkaline ceramidase 3, alkCDase, alkCDase-1, alkCDase-2, ASAH-1, ASAH1, asah1b, ASAH2, ASAH2B, ASAH3, AsahA, AtACER, AtNCER1, bwa, CBCDase, CDase, CDase II, CER2, ceramidase, Dacer, Drosophila alkaline ceramidase, glycosphingolipid ceramide deacylase, Golgi alkaline ceramidase, haCER1, intramembrane ceramidase, LsnCer, maCER1, mt-CDase, N-acylsphingosine amidohydrolase, N-acylsphingosine amidohydrolase 2, N-acylsphingosine amidohydrolase-1, N-acylsphingosine aminohydrolase, N-acylsphingosine deacylase, N-CDase, nCDase, ncer1, neutral CDase, neutral ceramidase, neutral ceramidase 2, NlnCDase, OsCDase, PaCD, PaCDase, pan-ceramidase, PHP32, phytoalkaline ceramidase, phytoCDase, Putative 32 KDA heart protein, SCDase, sphingolipid ceramide N-deacylase, Tncer, TOD1, turgor regulation defect 1, Ydc1p, yeast dihydroceramidase 1, yeast phyto-ceramidase 1, Ypc1p, znCD
ECTree
Localization
Localization on EC 3.5.1.23 - ceramidase
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ACER2 has 7 putative transmembrane domains, ACER2 membrane topology, overview. The N-terminal tail is necessary for both ACER2 activity and Golgi localization
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inactive recombinant CDase expressed in Escherichia coli BL21 without its signal peptide
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of absorptive epithelial cells of the intestine
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recombinant CDase expressed in Escherichia coli DH5alpha is most likely present in periplasm
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predominantly
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the enzyme localizes predominantly to the endoplasmic reticulum, and partially to the Golgi complex
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predominantly
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alkaline ceramidase
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maCER1 is localized to the endoplasmic reticulum and contains a Golgi to ER retrieval signal sequence
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113 kDa developing form, enzyme which is truncated at the C-terminus by four amino acids is retained in the endoplasmic reticulum and rapidly degraded without transportation to the Golgi apparatus
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Myc-tagged CDase expressed in HEK-239 cells, a 113 kDa endoplasmic reticulum-form matures into a 133 kDa CDase during processing in the Golgi apparatus
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a rat neutral CDase-GFP chimera protein, with GFP fused to the COOH terminus of the enzyme, is distributed in the ER/Golgi compartments and the plasma membrane of HEK293 cells
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the N- and C-terminal ends of Ypc1p are oriented towards the lumen and cytosol, respectively, cytosolic or lumenal loops
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CDase is distributed with late endosomes/lysosomes in hepatocytes
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the neutral ceramidase is secreted
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the neutral ceramidase is secreted
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the neutral ceramidase is exclusively secreted into the medium through a vesicular transport system when expressed in S2 cells
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the majority of the recombinant AC overexpressed in CHO cells is secreted into the culture media
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the enzyme is secreted
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acid ceramidase
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neutral ceramidase
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the neutral ceramidase is secreted
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wild-type CDase from 3-L culture, recombinant CDase expressed in Pseudomonas putida KT2440 and Pichia pastoris GS115
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the neutral ceramidase is secreted
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the enzyme localizes predominantly to the endoplasmic reticulum, and partially to the Golgi complex
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CER2
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ACER2
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alkaline ceramidase
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133 kDa mature form
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Myc-tagged CDase expressed in HEK-239 cells, a 113 kDa endoplasmic reticulum-form matures into a 133 kDa CDase during processing in the Golgi apparatus
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a rat neutral CDase-GFP chimera protein, with GFP fused to the COOH terminus of the enzyme, is distributed in the ER/Golgi compartments and the plasma membrane of HEK293 cells
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recombinant CDase expressed in Escherichia coli DH5alpha and BL21
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predominantly
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acid ceramidase
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acid ceramidase
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of hepatocytes
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CDase is distributed with late endosomes/lysosomes in hepatocytes
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membrane-bound
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the neutral ceramidase is membrane-bound, enzyme membrane topology, overview
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bound
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bound
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transmembrane protein
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the neutral ceramidase is membrane-bound, enzyme membrane topology, overview
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ACER3 is an intramembrane enzyme with a seven transmembrane domain architecture
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ADIPOR2 contains 7 transmembrane segments
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the neutral ceramidase is membrane-bound, enzyme membrane topology, overview
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membrane-bound, 112 kDa-form, mainly localized at the apical membrane of proximal tubules, distal tubules and collecting ducts of kidney, microsome, sequence contains one possible transmembrane domain
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membrane-bound, brain
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membrane topology of rat neutral CDase, overview. A rat neutral CDase-GFP chimera protein, with GFP fused to the COOH terminus of the enzyme, is distributed in the ER/Golgi compartments and the plasma membrane of HEK293 cells
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enzyme membrane topology, overview
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kidney, microsomal fraction contains a large amount of membrane-bound 112 kDa neutral CDase
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type II integral protein with its N-terminal end anchored to the plasma membrane and C-terminal end exposed to the extracellular space
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neutral ceramidase
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partially located in the extracellular space
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wild-type CDase is located at plasma membranes
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a rat neutral CDase-GFP chimera protein, with GFP fused to the COOH terminus of the enzyme, is distributed in the ER/Golgi compartments and the plasma membrane of HEK293 cells. The CDase is transported to the plasma membrane through the classical ER/Golgi pathway
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additional information
subcellular localization study, expression analysis, overview
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additional information
subcellular localization, overview
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additional information
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subcellular localization, overview
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additional information
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ACER2 C- and N-termini are oriented in the lumen of the Golgi complex and cytosol, respectively
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additional information
determination and analysis of subcellular localization of wild-type and recombinantly overexpressed immunostained nCDase
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additional information
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subcellular localization, overview
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additional information
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the enzyme has a putative signal peptide of 25 residues at the N-terminal
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additional information
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subcellular localization of wild-type and several C-terminal truncated CDases
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additional information
the cell-surface expression of CDase is strongly inhibited by brefeldin A or treatment at 5°C, neutral and alkaline enzyme membrane topology, overview
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