Lysophospholipid acyltransferase 2 (MBOAT2)
The protein contains 520 amino acids for an estimated molecular weight of 59527 Da.
Acyltransferase which catalyzes the transfert of an acyl group from an acyl-CoA to a lysophospholipid leading to the production of a phospholipid and participates in the reacylation step of the phospholipid remodeling pathway also known as the Lands cycle (PubMed:18772128). Catalyzes preferentially the acylation of lysophosphatidylethanolamine (1-acyl-sn-glycero-3-phosphoethanolamine or LPE) and lysophosphatidic acid (LPA) and to a lesser extend lysophosphatidylcholine (LPC) and lysophosphatidylserine (LPS) (PubMed:18772128). Prefers oleoyl-CoA as the acyl donor (PubMed:18772128). May be involved in chondrocyte differentiation (By similarity). (updated: Feb. 10, 2021)
Protein identification was indicated in the following studies:
- Wilson and co-workers. (2016) Comparison of the Proteome of Adult and Cord Erythroid Cells, and Changes in the Proteome Following Reticulocyte Maturation. Mol Cell Proteomics. 15(6), 1938-1946.
- Bryk and co-workers. (2017) Quantitative Analysis of Human Red Blood Cell Proteome. J Proteome Res. 16(8), 2752-2761.
- D'Alessandro and co-workers. (2017) Red blood cell proteomics update: is there more to discover? Blood Transfus. 15(2), 182-187.
- Chu and co-workers. (2018) Quantitative mass spectrometry of human reticulocytes reveal proteome-wide modifications during maturation. Br J Haematol. 180(1), 118-133.
Methods
The following articles were analysed to gather the proteome content of erythrocytes.
The gene or protein list provided in the studies were processed using the ID mapping API of Uniprot in September 2018. The number of proteins identified and mapped without ambiguity in these studies is indicated below.
Only Swiss-Prot entries (reviewed) were considered for protein evidence assignation.
| Publication | Identification 1 | Uniprot mapping 2 | Not mapped / Obsolete | TrEMBL | Swiss-Prot |
|---|---|---|---|---|---|
| Goodman (2013) | 2289 (gene list) | 2278 | 53 | 20599 | 2269 |
| Lange (2014) | 1234 | 1234 | 7 | 28 | 1224 |
| Hegedus (2015) | 2638 | 2622 | 0 | 235 | 2387 |
| Wilson (2016) | 1658 | 1528 | 170 | 291 | 1068 |
| d'Alessandro (2017) | 1826 | 1817 | 2 | 0 | 1815 |
| Bryk (2017) | 2090 | 2060 | 10 | 108 | 1942 |
| Chu (2018) | 1853 | 1804 | 55 | 362 | 1387 |
1 as available in the article and/or in supplementary material
2 uniprot mapping returns all protein isoforms as one entry
The compilation of older studies can be retrieved from the Red Blood Cell Collection database.
The data and differentiation stages presented below come from the proteomic study and analysis performed by our partners of the GReX consortium, more details are available in their published work.
This protein is predicted to be membranous by TOPCONS.
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| Variant | Description |
|---|---|
| dbSNP:rs16866827 |
No binding partner found
Biological Process
Lipid modification
Phosphatidylcholine acyl-chain remodeling
Phosphatidylethanolamine acyl-chain remodeling
Phosphatidylserine acyl-chain remodeling
Phospholipid biosynthetic process
Regulation of chondrocyte differentiation
The reference OMIM entry for this protein is 611949
Membrane-bound o-acyltransferase domain-containing 2; mboat2
Membrane-bound o-acyltransferase 2
Lysophosphatidylcholine acyltransferase 4; lpcat4
CLONING
Hishikawa et al. (2008) cloned mouse Mboat2, which they called Lpcat4. The deduced 519-amino acid protein contains 4 putative transmembrane domains. RT-PCR detected high Lpcat4 expression in epididymis, brain, testis, and ovary. Lpcat4 colocalized with an endoplasmic reticulum marker protein in transfected Chinese hamster ovary cells.GENE FUNCTION
Hishikawa et al. (2008) found that mouse Lpcat4 converted lysophosphatidylcholine and lysophosphatidylethanolamine to phosphatidylcholine and phosphatidylethanolamine, respectively, and preferred oleoyl-CoA as the acyl donor.MAPPING
The International Radiation Hybrid Mapping Consortium mapped the MBOAT2 gene to chromosome 2 (TMAP RH80026). ... More on the omim web site
Feb. 16, 2021: Protein entry updated
Automatic update: Entry updated from uniprot information.
June 30, 2020: Protein entry updated
Automatic update: OMIM entry 611949 was added.
Feb. 23, 2019: Protein entry updated
Automatic update: comparative model was added.
Feb. 23, 2019: Protein entry updated
Automatic update: model status changed
Oct. 19, 2018: Additional information
Initial protein addition to the database. This entry was referenced in Bryk and co-workers. (2017).