7ASD image
Deposition Date 2020-10-27
Release Date 2020-12-30
Last Version Date 2024-11-13
Entry Detail
PDB ID:
7ASD
Keywords:
PROTEIN FIBRIL
Title:
Structure of native royal jelly filaments
Biological Source:
Source Organism:
Apis mellifera (Taxon ID: 7460)
Method Details:
Experimental Method:
ELECTRON MICROSCOPY
Resolution:
3.50 Å
Aggregation State:
FILAMENT
Reconstruction Method:
HELICAL
7ASD validation report
Macromolecular Entities
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Major royal jelly protein 1
Gene (Uniprot):Mrjp1
Chain IDs:A (auth: AA), C (auth: BA), E (auth: CA), G (auth: DA), I (auth: EA), K (auth: FA), M (auth: GA), O (auth: HA)
Chain Length:432
Number of Molecules:8
Biological Source:Apis mellifera
UniProt ID:O18330 Pfam ID:PF03022
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Apisimin
Chain IDs:B (auth: AB), D (auth: BB), F (auth: CB), H (auth: DB), J (auth: EB), L (auth: FB), N (auth: GB), P (auth: HB)
Chain Length:78
Number of Molecules:8
Biological Source:Apis mellifera
UniProt ID:Q8ISL8
Ligand Molecules
94R
NAG
SO4
Primary Citation
Structure of native glycolipoprotein filaments in honeybee royal jelly.
Nat Commun 11 6267 6267 (2020)
PMID: 33293513 DOI: 10.1038/s41467-020-20135-x

Abstact

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.

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Chemical

Disease

Primary Citation of related structures
5YYL