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Reach

an N-acyl-(4R)-4-hydroxysphinganine

362,296 routes · scope human · up to 3 steps · built 5 October 2026 · Reactions · API

Inferred

Every route here is a hypothesis drawn from reference reactions (Rhea and Human-GEM), not a finding. Currency species such as water, ATP and NAD(H) never form a step. Evidence key

366 compounds within 3 steps: 6 in 1, 47 in 2, 313 in 3

Does it reach a compound?

Two steps

N-dodecanoyl-(4R)-hydroxysphinganineReach from here →
1. Phytoceramide amidohydrolase
2. N-dodecanoyl-(4R)-hydroxysphinganine + H2O = (4R)-hydroxysphinganine + dodecanoate
Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 1 morecytosol
(5Z,8Z,11Z)-eicosatrienoateReach from here →
1. Phytoceramide amidohydrolase
2. (10Z)-heptadecenoic acid formation
Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 1 morecytosol, extracellular spaceOne of 12 routes
tricosanoateReach from here →
1. Phytoceramide amidohydrolase
2. (10Z)-heptadecenoic acid formation
Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 1 morecytosol, extracellular spaceOne of 12 routes

Three steps

(S)-carnitineReach from here →
Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 1 morecytosol, extracellular space, endoplasmic reticulumOne of 260 routes
CHEBI:12947Reach from here →

Page 2 of 8

Catalysed by SGMS2, SAMD8, SGMS1, UGT8cytosolOne of 5 routes

AReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(5Z,8Z,11Z,14Z)-eicosatetraenoate + AH2 + 2 O2 = prostaglandin H2 + A + H2O

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 3 morecytosol, extracellular spaceOne of 11 routes

(14S,15R)-epoxy-(5Z,8Z,11Z)-eicosatrienoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(5Z,8Z,11Z,14Z)-eicosatetraenoate + reduced [NADPH--hemoprotein reductase] + O2 = (14S,15R)-epoxy-(5Z,8Z,11Z)-eicosatrienoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 9 morecytosol, extracellular space

(14R,15S)-epoxy-(5Z,8Z,11Z)-eicosatrienoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(5Z,8Z,11Z,14Z)-eicosatetraenoate + reduced [NADPH--hemoprotein reductase] + O2 = (14R,15S)-epoxy-(5Z,8Z,11Z)-eicosatrienoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 9 morecytosol, extracellular space

(11S,12R)-epoxy-(5Z,8Z,14Z)-eicosatrienoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(5Z,8Z,11Z,14Z)-eicosatetraenoate + reduced [NADPH--hemoprotein reductase] + O2 = (11S,12R)-epoxy-(5Z,8Z,14Z)-eicosatrienoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 6 morecytosol, extracellular space

(11R,12S)-epoxy-(5Z,8Z,14Z)-eicosatrienoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(5Z,8Z,11Z,14Z)-eicosatetraenoate + reduced [NADPH--hemoprotein reductase] + O2 = (11R,12S)-epoxy-(5Z,8Z,14Z)-eicosatrienoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 8 morecytosol, extracellular space

(8S,9R)-epoxy-(5Z,11Z,14Z)-eicosatrienoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(5Z,8Z,11Z,14Z)-eicosatetraenoate + reduced [NADPH--hemoprotein reductase] + O2 = (8S,9R)-epoxy-(5Z,11Z,14Z)-eicosatrienoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 3 morecytosol, extracellular space

(8R,9S)-epoxy-(5Z,11Z,14Z)-eicosatrienoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(5Z,8Z,11Z,14Z)-eicosatetraenoate + reduced [NADPH--hemoprotein reductase] + O2 = (8R,9S)-epoxy-(5Z,11Z,14Z)-eicosatrienoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 7 morecytosol, extracellular space

5,6-epoxy-(8Z,11Z,14Z)-eicosatrienoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
unspecific monooxygenase (arachidonate)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 27 morecytosol, extracellular spaceOne of 4 routes

17-hydroxy-(5Z,8Z,11Z,14Z)-eicosatetraenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
unspecific monooxygenase (arachidonate)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 27 morecytosol, extracellular spaceOne of 2 routes

16-hydroxy-(5Z,8Z,11Z,14Z)-eicosatetraenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(5Z,8Z,11Z,14Z)-eicosatetraenoate + reduced [NADPH--hemoprotein reductase] + O2 = 16-hydroxy-(5Z,8Z,11Z,14Z)-eicosatetraenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 morecytosol, extracellular space

21-hydroxy-(4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
DHA[r] + O2[r] + FMNH2[r] = FMN[r] + H2O[r] + 21-hydroxy-(4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoate[r]

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 morecytosol, extracellular space, endoplasmic reticulumOne of 3 routes

13-hydroxytetradecanoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
myristic acid[r] + O2[r] + FMNH2[r] = FMN[r] + H2O[r] + 13-hydroxytetradecanoate[r]

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 morecytosol, extracellular space, endoplasmic reticulumOne of 3 routes

(18S)-hydroxy-(5Z,8Z,11Z,14Z,16E)-eicosapentaenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(5Z,8Z,11Z,14Z,17Z)-eicosapentaenoate + AH2 + O2 = (18S)-hydroxy-(5Z,8Z,11Z,14Z,16E)-eicosapentaenoate + A + H2O

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 morecytosol, extracellular space

(15S)-hydroxy-(5Z,8Z,11Z,13E,17Z)-eicosapentaenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(5Z,8Z,11Z,14Z,17Z)-eicosapentaenoate + AH2 + O2 = (15S)-hydroxy-(5Z,8Z,11Z,13E,17Z)-eicosapentaenoate + A + H2O

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 morecytosol, extracellular space

prostaglandin G1Reach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(8Z,11Z,14Z)-eicosatrienoate + 2 O2 = prostaglandin G1

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 morecytosol, extracellular space

prostaglandin G3Reach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(5Z,8Z,11Z,14Z,17Z)-eicosapentaenoate + 2 O2 = prostaglandin G3

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 morecytosol, extracellular space

10-hydroxy-(5Z,8Z,11Z,14Z)-eicosatetraenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(5Z,8Z,11Z,14Z)-eicosatetraenoate + reduced [NADPH--hemoprotein reductase] + O2 = 10-hydroxy-(5Z,8Z,11Z,14Z)-eicosatetraenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 3 morecytosol, extracellular space

(17S)-hydroperoxy-(4Z,7Z,10Z,13Z,15E,19Z)-docosahexaenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoate + O2 = (17S)-hydroperoxy-(4Z,7Z,10Z,13Z,15E,19Z)-docosahexaenoate

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 3 morecytosol, extracellular space

14-hydroperoxy-(7Z,10Z,12E,16Z,19Z)-docosapentaenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(7Z,10Z,13Z,16Z,19Z)-docosapentaenoate + O2 = 14-hydroperoxy-(7Z,10Z,12E,16Z,19Z)-docosapentaenoate

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 morecytosol, extracellular space

(8S,15S)-dihydroperoxy-(5Z,9E,11Z,13E)-eicosatetraenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(5Z,8Z,11Z,14Z)-eicosatetraenoate + 2 O2 = (8S,15S)-dihydroperoxy-(5Z,9E,11Z,13E)-eicosatetraenoate

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 morecytosol, extracellular space

(14R,15S)-dihydroperoxy-(5Z,8Z,10E,12E)-eicosatetraenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(5Z,8Z,11Z,14Z)-eicosatetraenoate + 2 O2 = (14R,15S)-dihydroperoxy-(5Z,8Z,10E,12E)-eicosatetraenoate

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 morecytosol, extracellular space

19,20-epoxy-(4Z,7Z,10Z,13Z,16Z)-docosapentaenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoate + reduced [NADPH--hemoprotein reductase] + O2 = 19,20-epoxy-(4Z,7Z,10Z,13Z,16Z)-docosapentaenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 3 morecytosol, extracellular space

16,17-epoxy-(4Z,7Z,10Z,13Z,19Z)-docosapentaenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoate + reduced [NADPH--hemoprotein reductase] + O2 = 16,17-epoxy-(4Z,7Z,10Z,13Z,19Z)-docosapentaenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 3 morecytosol, extracellular space

13,14-epoxy-(4Z,7Z,10Z,16Z,19Z)-docosapentaenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoate + reduced [NADPH--hemoprotein reductase] + O2 = 13,14-epoxy-(4Z,7Z,10Z,16Z,19Z)-docosapentaenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 3 morecytosol, extracellular space

10,11-epoxy-(4Z,7Z,13Z,16Z,19Z)-docosapentaenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoate + reduced [NADPH--hemoprotein reductase] + O2 = 10,11-epoxy-(4Z,7Z,13Z,16Z,19Z)-docosapentaenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 3 morecytosol, extracellular space

19,20-epoxy-(7Z,10Z,13Z,16Z)-docosatetraenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(7Z,10Z,13Z,16Z,19Z)-docosapentaenoate + reduced [NADPH--hemoprotein reductase] + O2 = 19,20-epoxy-(7Z,10Z,13Z,16Z)-docosatetraenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 3 morecytosol, extracellular space

16,17-epoxy-(7Z,10Z,13Z,19Z)-docosatetraenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(7Z,10Z,13Z,16Z,19Z)-docosapentaenoate + reduced [NADPH--hemoprotein reductase] + O2 = 16,17-epoxy-(7Z,10Z,13Z,19Z)-docosatetraenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 3 morecytosol, extracellular space

13,14-epoxy-(7Z,10Z,16Z,19Z)-docosatetraenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(7Z,10Z,13Z,16Z,19Z)-docosapentaenoate + reduced [NADPH--hemoprotein reductase] + O2 = 13,14-epoxy-(7Z,10Z,16Z,19Z)-docosatetraenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 3 morecytosol, extracellular space

10,11-epoxy-(7Z,13Z,16Z,19Z)-docosatetraenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(7Z,10Z,13Z,16Z,19Z)-docosapentaenoate + reduced [NADPH--hemoprotein reductase] + O2 = 10,11-epoxy-(7Z,13Z,16Z,19Z)-docosatetraenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 3 morecytosol, extracellular space

2,4-dinitrophenyl-S-glutathioneReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
transport of arachidonate (cytosol to extracellular)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 morecytosol, extracellular spaceOne of 2 routes

N-(9Z-octadecenoyl)-L-phenylalanineReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
L-phenylalanine + (9Z)-octadecenoate = N-(9Z-octadecenoyl)-L-phenylalanine + H2O

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 morecytosol, extracellular space

N-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-L-phenylalanineReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(5Z,8Z,11Z,14Z)-eicosatetraenoate + L-phenylalanine = N-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-L-phenylalanine + H2O

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 morecytosol, extracellular space

N-(9Z-octadecenoyl)-L-leucineReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
N-(9Z-octadecenoyl)-L-leucine + H2O = L-leucine + (9Z)-octadecenoate

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 morecytosol, extracellular space

(19R,20S)-epoxy-(4Z,7Z,10Z,13Z,16Z)-docosapentaenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoate + reduced [NADPH--hemoprotein reductase] + O2 = (19R,20S)-epoxy-(4Z,7Z,10Z,13Z,16Z)-docosapentaenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 8 morecytosol, extracellular space

(19S,20R)-epoxy-(4Z,7Z,10Z,13Z,16Z)-docosapentaenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoate + reduced [NADPH--hemoprotein reductase] + O2 = (19S,20R)-epoxy-(4Z,7Z,10Z,13Z,16Z)-docosapentaenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 7 morecytosol, extracellular space

8,9-epoxy-(5Z,11Z,14Z,17Z)-eicosatetraenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(5Z,8Z,11Z,14Z,17Z)-eicosapentaenoate + reduced [NADPH--hemoprotein reductase] + O2 = 8,9-epoxy-(5Z,11Z,14Z,17Z)-eicosatetraenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 morecytosol, extracellular space

11,12-epoxy-(5Z,8Z,14Z,17Z)-eicosatetraenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(5Z,8Z,11Z,14Z,17Z)-eicosapentaenoate + reduced [NADPH--hemoprotein reductase] + O2 = 11,12-epoxy-(5Z,8Z,14Z,17Z)-eicosatetraenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 3 morecytosol, extracellular space

14,15-epoxy-(5Z,8Z,11Z,17Z)-eicosatetraenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(5Z,8Z,11Z,14Z,17Z)-eicosapentaenoate + reduced [NADPH--hemoprotein reductase] + O2 = 14,15-epoxy-(5Z,8Z,11Z,17Z)-eicosatetraenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 3 morecytosol, extracellular space

7-hydroxy-(5Z,8Z,11Z,14Z)-eicosatetraenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
unspecific monooxygenase (arachidonate)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 27 morecytosol, extracellular spaceOne of 2 routes

13-hydroxy-(5Z,8Z,11Z,14Z)-eicosatetraenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
unspecific monooxygenase (arachidonate)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 27 morecytosol, extracellular spaceOne of 2 routes

13(S)-hydroxy-(5Z,8Z,11Z,14Z)-eicosatetraenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
(5Z,8Z,11Z,14Z)-eicosatetraenoate + reduced [NADPH--hemoprotein reductase] + O2 = 13(S)-hydroxy-(5Z,8Z,11Z,14Z)-eicosatetraenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 morecytosol, extracellular space

16(R)-hydroxy-(5Z,8Z,11Z,14Z)-eicosatetraenoateReach from here →

Phytoceramide amidohydrolase
(10Z)-heptadecenoic acid formation
unspecific monooxygenase (arachidonate)

Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 27 morecytosol, extracellular space

an N-acyl-sphinga-4E,14Z-dienineReach from here →

an N-acyl-(4R)-4-hydroxysphinganine + a 1,2-diacyl-sn-glycero-3-phosphoethanolamine = an N-acyl-(4R)-4-hydroxysphinganine-1-phosphoethanolamine + a 1,2-diacyl-sn-glycerol
an N-acylsphing-4-enine + a 1,2-diacyl-sn-glycero-3-phosphocholine = a sphingomyelin + a 1,2-diacyl-sn-glycerol
an N-acylsphing-4-enine + 2 Fe(II)-[cytochrome b5] + O2 + 2 H(+) = an N-acyl-sphinga-4E,14Z-dienine + 2 Fe(III)-[cytochrome b5] + 2 H2O

Catalysed by SGMS2, SAMD8, SGMS1, FADS3

a 3-hydroxyacyl derivative of bacterial toxinReach from here →

an N-acyl-(4R)-4-hydroxysphinganine + H2O = (4R)-hydroxysphinganine + a fatty acid
a 3-(acyloxy)acyl derivative of bacterial toxin + H2O = a 3-hydroxyacyl derivative of bacterial toxin + a fatty acid + H(+)
a 3-(acyloxy)acyl derivative of bacterial toxin + H2O = a 3-hydroxyacyl derivative of bacterial toxin + a fatty acid + H(+)

Catalysed by ACER3, AOAH

a 2-acyl-6-alpha-D-glucosaminyl-1-(1,2-diacyl-sn-glycero-3-phospho)-1D-myo-inositolReach from here →

an N-acyl-(4R)-4-hydroxysphinganine + H2O = (4R)-hydroxysphinganine + a fatty acid
a fatty acid + ATP + CoA = a fatty acyl-CoA + AMP + diphosphate
a 6-(alpha-D-glucosaminyl)-1-(1,2-diacyl-sn-glycero-3-phospho)-1D-myo-inositol + a fatty acyl-CoA = a 2-acyl-6-alpha-D-glucosaminyl-1-(1,2-diacyl-sn-glycero-3-phospho)-1D-myo-inositol + CoA

Catalysed by ACER3, ACSL3, PIGW