MRJP1 oligomer showing the H-like complex structure that contains four MRJP1 (green or cyan), four apisimin (yellow or wheat), and eight 24-methylenecholesterol (blue, purple, orange, or lime sticks) molecules
Identifiers
Organism
Apis mellifera (honey bee)
Symbol
Mrjp1
Entrez
406090
RefSeq (mRNA)
NM_001011579.1
RefSeq (Prot)
NP_001011579.1
UniProt
O18330
Other data
Chromosome
LG11: 2.57 - 2.57 Mb
Search for
Structures
Swiss-model
Domains
InterPro
Major royal jelly proteins (MRJPs) are a family of proteins secreted by honey bees. The family consists of nine proteins, of which MRJP1 (also called royalactin), MRJP2, MRJP3, MRJP4, and MRJP5 are present in the royal jelly secreted by worker bees. MRJP1 is the most abundant, and largest in volume. The five proteins constitute 82–90% of the total proteins in royal jelly.[1][2] Royal jelly is a nutrient-rich mixture of vitamins, sugars, fats, proteins, and enzymes. It is used for feeding larvae.[1] Royal jelly has been used in traditional medicine since ancient times, and the MRJPs are shown to be the main medicinal components. They are synthesised by a family of nine genes (mrjp genes), which are in turn members of the yellow family of genes, such as in the fruitfly (Drosophila) and bacteria. They are involved in the differential development of queen larva and worker larvae, thus establishing division of labour in the bee colony.[1]
^ abcButtstedt A, Moritz RF, Erler S (May 2014). "Origin and function of the major royal jelly proteins of the honeybee (Apis mellifera) as members of the yellow gene family". Biological Reviews of the Cambridge Philosophical Society. 89 (2): 255–69. doi:10.1111/brv.12052. PMID 23855350. S2CID 29361726.
^Albert S, Bhattacharya D, Klaudiny J, Schmitzová J, Simúth J (August 1999). "The family of major royal jelly proteins and its evolution". Journal of Molecular Evolution. 49 (2): 290–7. Bibcode:1999JMolE..49..290A. doi:10.1007/PL00006551. PMID 10441680. S2CID 27316541.
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