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TitleStructure of native glycolipoprotein filaments in honeybee royal jelly.
Journal, issue, pagesNat Commun, Vol. 11, Issue 1, Page 6267, Year 2020
Publish dateDec 8, 2020
AuthorsSimone Mattei / Arvid Ban / Armin Picenoni / Marc Leibundgut / Rudi Glockshuber / Daniel Boehringer /
PubMed AbstractRoyal jelly (RJ) is produced by honeybees (Apis mellifera) as nutrition during larval development. The high viscosity of RJ originates from high concentrations of long lipoprotein filaments that ...Royal jelly (RJ) is produced by honeybees (Apis mellifera) as nutrition during larval development. The high viscosity of RJ originates from high concentrations of long lipoprotein filaments that include the glycosylated major royal jelly protein 1 (MRJP1), the small protein apisimin and insect lipids. Using cryo-electron microscopy we reveal the architecture and the composition of RJ filaments, in which the MRJP1 forms the outer shell of the assembly, surrounding stacked apisimin tetramers harbouring tightly packed lipids in the centre. The structural data rationalize the pH-dependent disassembly of RJ filaments in the gut of the larvae.
External linksNat Commun / PubMed:33293513 / PubMed Central
MethodsEM (helical sym.) / EM (tomography)
Resolution3.5 Å
Structure data

11892

7asd

EMDB-11892, PDB-7asd:
Structure of native royal jelly filaments
Method: EM (helical sym.) / Resolution: 3.5 Å

EMDB-11898:
Tomographic reconstruction of native glycolipoprotein filaments in honeybee royal jelly
Method: EM (tomography)

Chemicals

ChemComp-94R:
(3beta,14beta,17alpha)-ergosta-5,24(28)-dien-3-ol

ChemComp-NAG:
2-acetamido-2-deoxy-beta-D-glucopyranose / N-Acetylglucosamine

ChemComp-SO4:
SULFATE ION / Sulfate

Source
  • apis mellifera (honey bee)
  • Honeybee (honey bee)
KeywordsPROTEIN FIBRIL / protein filament / lipoprotein / glycosylation / royal jelly / major royal jelly protein / honeybee

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