1.0 2011-09-21 01:30:52 UTC 2015-07-21 06:59:15 UTC FDB027847 Ceramide (t18:0/16:0) Cer(t18:0/16:0)belongs to the class of phytoceramides (N-Acyl-4-hydroxysphinganine), which are involved in sphingolipid metabolism. Phytoceramides are generated from dihydroceramides via the enzyme C4-hydroxylase [EC:1.14.-.-, and are then converted to phytosphingosine via the enzyme N-acylsphingosine amidohydrolase [EC:3.5.1.23]. [HMDB] Cer(t18:0/16:0) C34H69NO4 555.916 555.522659701 N-[(2S,3S)-1,3,4-trihydroxyoctadecan-2-yl]hexadecanamide N-[(2S,3S)-1,3,4-trihydroxyoctadecan-2-yl]hexadecanamide [H][C@@](O)(C(O)CCCCCCCCCCCCCC)[C@]([H])(CO)NC(=O)CCCCCCCCCCCCCCC InChI=1S/C34H69NO4/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-33(38)35-31(30-36)34(39)32(37)28-26-24-22-20-18-16-14-12-10-8-6-4-2/h31-32,34,36-37,39H,3-30H2,1-2H3,(H,35,38)/t31-,32?,34-/m0/s1 IVBULNXGVIHEKN-AUOMWKRBSA-N belongs to the class of organic compounds known as phytoceramides. These are n-acylated 4-hydroxysphinganine. Phytoceramides Organic compounds Lipids and lipid-like molecules Sphingolipids Ceramides Aliphatic acyclic compounds Carbonyl compounds Hydrocarbon derivatives N-acyl amines Organic oxides Organonitrogen compounds Organopnictogen compounds Polyols Primary alcohols Secondary alcohols Secondary carboxylic acid amides Alcohol Aliphatic acyclic compound Carbonyl group Carboxamide group Carboxylic acid derivative Fatty acyl Fatty amide Hydrocarbon derivative N-acyl-4-hydroxysphinganine N-acyl-amine Organic nitrogen compound Organic oxide Organic oxygen compound Organonitrogen compound Organooxygen compound Organopnictogen compound Polyol Primary alcohol Secondary alcohol Secondary carboxylic acid amide Solid logp 8.76 ALOGPS logs -6.64 ALOGPS solubility 1.29e-04 g/l ALOGPS logp 10 ChemAxon pka_strongest_acidic 13.26 ChemAxon pka_strongest_basic -1 ChemAxon iupac N-[(2S,3S)-1,3,4-trihydroxyoctadecan-2-yl]hexadecanamide ChemAxon average_mass 555.916 ChemAxon mono_mass 555.522659701 ChemAxon smiles [H][C@@](O)(C(O)CCCCCCCCCCCCCC)[C@]([H])(CO)NC(=O)CCCCCCCCCCCCCCC ChemAxon formula C34H69NO4 ChemAxon inchi InChI=1S/C34H69NO4/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-33(38)35-31(30-36)34(39)32(37)28-26-24-22-20-18-16-14-12-10-8-6-4-2/h31-32,34,36-37,39H,3-30H2,1-2H3,(H,35,38)/t31-,32?,34-/m0/s1 ChemAxon inchikey IVBULNXGVIHEKN-AUOMWKRBSA-N ChemAxon polar_surface_area 89.79 ChemAxon refractivity 166.17 ChemAxon polarizability 74.93 ChemAxon rotatable_bond_count 31 ChemAxon acceptor_count 4 ChemAxon donor_count 4 ChemAxon physiological_charge 0 ChemAxon formal_charge 0 ChemAxon Specdb::MsMs 2829595 Specdb::MsMs 2829596 Specdb::MsMs 2829597 Specdb::MsMs 2852404 Specdb::MsMs 2852405 Specdb::MsMs 2852406 Specdb::CMs 39520 Specdb::CMs 281931 Specdb::CMs 339998 Specdb::CMs 339999 Specdb::CMs 340000 Specdb::CMs 340001 Specdb::CMs 340002 Specdb::CMs 340003 Specdb::CMs 340004 Specdb::CMs 340005 Specdb::CMs 340006 Specdb::CMs 340007 Specdb::CMs 340008 Specdb::CMs 340009 Specdb::CMs 340010 Specdb::CMs 340011 Specdb::CMs 340012 Specdb::CMs 340013 Specdb::CMs 340014 Specdb::CMs 340015 Specdb::CMs 340016 Specdb::CMs 340017 Specdb::CMs 340018 Specdb::CMs 340019 Specdb::CMs 340020 HMDB10697 2-hydroxyacylsphingosine 1-beta-galactosyltransferase Q16880 UGT8 Acid ceramidase Q13510 ASAH1 Alkaline ceramidase 1 Q8TDN7 ACER1 Alkaline ceramidase 2 Q5QJU3 ACER2 Antigen-presenting glycoprotein CD1d P15813 CD1D Beta-1,3-galactosyltransferase 5 Q9Y2C3 B3GALT5 Ceramide glucosyltransferase Q16739 UGCG Ceramide synthase 1 P27544 CERS1 Collagen type IV alpha-3-binding protein Q9Y5P4 COL4A3BP Epididymal secretory protein E1 P61916 NPC2 Galactocerebrosidase P54803 GALC Ganglioside GM2 activator P17900 GM2A Glucosylceramidase P04062 GBA GPI ethanolamine phosphate transferase 1 O95427 PIGN GPI ethanolamine phosphate transferase 2 Q5H8A4 PIGG GPI ethanolamine phosphate transferase 3 Q8TEQ8 PIGO GPI mannosyltransferase 1 Q9H3S5 PIGM GPI mannosyltransferase 2 Q9NUD9 PIGV GPI mannosyltransferase 3 Q92521 PIGB GPI mannosyltransferase 4 Q86VD9 PIGZ GPI transamidase component PIG-S Q96S52 PIGS GPI transamidase component PIG-T Q969N2 PIGT GPI-anchor transamidase Q92643 PIGK Lactosylceramide 1,3-N-acetyl-beta-D-glucosaminyltransferase Q9BYG0 B3GNT5 N-acetylglucosaminyl-phosphatidylinositol de-N-acetylase Q9Y2B2 PIGL Neutral ceramidase Q9NR71 ASAH2 Non-lysosomal glucosylceramidase Q9HCG7 GBA2 Phosphatidylcholine:ceramide cholinephosphotransferase 1 Q86VZ5 SGMS1 Phosphatidylcholine:ceramide cholinephosphotransferase 2 Q8NHU3 SGMS2 Phosphatidylinositol glycan anchor biosynthesis class U protein Q9H490 PIGU Phosphatidylinositol N-acetylglucosaminyltransferase subunit A P37287 PIGA Phosphatidylinositol N-acetylglucosaminyltransferase subunit C Q92535 PIGC Phosphatidylinositol N-acetylglucosaminyltransferase subunit H Q14442 PIGH Phosphatidylinositol N-acetylglucosaminyltransferase subunit P P57054 PIGP Phosphatidylinositol N-acetylglucosaminyltransferase subunit Q Q9BRB3 PIGQ Phosphatidylinositol N-acetylglucosaminyltransferase subunit Y Q3MUY2 PIGY Phosphatidylinositol-glycan biosynthesis class F protein Q07326 PIGF Phosphatidylinositol-glycan biosynthesis class W protein Q7Z7B1 PIGW Phosphatidylinositol-glycan biosynthesis class X protein Q8TBF5 PIGX Protein FAN Q92636 NSMAF Putative neutral ceramidase C P0C7U2 ASAH2C Sphingomyelin phosphodiesterase P17405 SMPD1 Sphingosine-1-phosphate lyase 1 O95470 SGPL1 T-cell surface glycoprotein CD1e, membrane-associated P15812 CD1E