Compound

1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine

A phosphatidylcholine 34:0 in which the 1- and 2-acyl groups are specified as hexadecanoyl (palmitoyl) and octadecanoyl (stearoyl) respectively.

Definition from ChEBI (CHEBI:73000), read 2026-09-23. CC BY 4.0.

CHEBI:73000ChEBI

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Structure

2D depiction

No three-dimensional record for this entry.

Class: Organic compound
Formula: C42H84NO8P
Mass: 762.107 g/mol
Charge: 0
InChIKey: PZNPLUBHRSSFHT-RRHRGVEJSA-N
SMILES: [H][C@@](COC(=O)CCCCCCCCCCCCCCC)(COP(=O)([O-])OCC[N+](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCC
Look it up: ChEBI By InChIKey

Identity from ChEBI. Not evidence.

What it touches on the way

Mechanistic reach

3 entities

3 entities reached.

0 reported hops3 assembled from the scaffold

What the reference databases state

Chemical structure

1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine has the functional parent hexadecanoic acidCompoundChEBI CHEBI:73000Inferred only

Statements

4 statements

4 statements · 1 reference database · Subject: 1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine · Sources: Rhea

Order

1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine is a substrate of LPCAT3ProteinRhea RHEA:35987Inferred only
1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine is a substrate of PLA2G4EProteinRhea RHEA:55252Inferred only
1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine is a substrate of PLAAT3ProteinRhea RHEA:56432Inferred only
1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine is a substrate of PLAAT3ProteinRhea RHEA:56436Inferred only

Reactions

5 reactions

octadecanoyl-CoA+1-hexadecanoyl-sn-glycero-3-phosphocholine1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine+coenzyme A(4-)
Catalysed by LPCAT3
Reaction pageLeft to rightBalance undeterminable
Rhea RHEA:35987CC BY 4.0Reference data
CHEBI:83718+1-hexadecanoyl-sn-glycero-3-phosphocholine1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine+1-octadecanoyl-sn-glycero-3-phosphocholine
Reaction pageDirection not assertedBalance undeterminable
Rhea RHEA:43812CC BY 4.0Reference data
1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine+1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine2-octadecanoyl-sn-glycero-3-phosphocholine+N-hexadecanoyl-1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine+hydron
Catalysed by PLA2G4E
Reaction pageLeft to rightBalance undeterminable
Rhea RHEA:55252CC BY 4.0Reference data
1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine+wateroctadecanoate+1-hexadecanoyl-sn-glycero-3-phosphocholine+hydron
Catalysed by PLAAT3
Reaction pageLeft to rightBalance undeterminable
Rhea RHEA:56432CC BY 4.0Reference data
1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine+water2-octadecanoyl-sn-glycero-3-phosphocholine+hexadecanoate+hydron
Catalysed by PLAAT3
Reaction pageLeft to rightBalance undeterminable
Rhea RHEA:56436CC BY 4.0Reference data

Other names

17 names

Resolves to: 1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine

Also called: (2R)-3-(palmitoyloxy)-2-(stearoyloxy)propyl 2-(trimethylammonio)ethyl phosphate1-palmitoyl-2-stearoyl-GPC1-palmitoyl-2-stearoyl-GPC (16:0/18:0)1-Palmitoyl-2-stearoyl-phosphatidylcholine1-palmitoyl-2-stearoyl-sn-glycero-3-phosphorylcholine1-palmitoyl-2-stearoylphosphatidylcholineGPC(16:0/18:0)GPCho(16:0/18:0)GPCho(34:0)PC 16:0/18:0PC 34:0PC(16:0_18:0)PC(16:0/18:0)PC(34:0)Phosphatidylcholine(16:0/18:0)Phosphatidylcholine(34:0)
Systematic name: (2R)-3-(hexadecanoyloxy)-2-(octadecanoyloxy)propyl 2-(trimethylazaniumyl)ethyl phosphate