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- PDB-6fey: Crystal structure of Drosophila neural ectodermal development fac... -
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Basic information
Entry | Database: PDB / ID: 6fey | ||||||
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Title | Crystal structure of Drosophila neural ectodermal development factor Imp-L2 with Drosophila DILP5 insulin | ||||||
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![]() | PEPTIDE BINDING PROTEIN / insulin / insulin binding protein / Drosophila / imaginal morphogenesis | ||||||
Function / homology | ![]() negative regulation of entry into reproductive diapause / positive regulation of entry into reproductive diapause / Insulin signaling pathway / female mating behavior / carbohydrate homeostasis / dendrite self-avoidance / cell-cell adhesion mediator activity / sleep / insulin binding / homophilic cell adhesion via plasma membrane adhesion molecules ...negative regulation of entry into reproductive diapause / positive regulation of entry into reproductive diapause / Insulin signaling pathway / female mating behavior / carbohydrate homeostasis / dendrite self-avoidance / cell-cell adhesion mediator activity / sleep / insulin binding / homophilic cell adhesion via plasma membrane adhesion molecules / response to starvation / negative regulation of lipid storage / positive regulation of insulin receptor signaling pathway / negative regulation of insulin receptor signaling pathway / locomotory behavior / axon guidance / determination of adult lifespan / insulin receptor binding / hormone activity / insulin receptor signaling pathway / receptor ligand activity / axon / extracellular space / extracellular region / plasma membrane Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Brzozowski, A.M. / Kulahin, N. / Kristensen, O. / Schluckebier, G. / Meyts, P.D. | ||||||
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![]() | ![]() Title: Structures of insect Imp-L2 suggest an alternative strategy for regulating the bioavailability of insulin-like hormones. Authors: Nikolaj Kulahin Roed / Cristina M Viola / Ole Kristensen / Gerd Schluckebier / Mathias Norrman / Waseem Sajid / John D Wade / Asser Sloth Andersen / Claus Kristensen / Timothy R Ganderton / ...Authors: Nikolaj Kulahin Roed / Cristina M Viola / Ole Kristensen / Gerd Schluckebier / Mathias Norrman / Waseem Sajid / John D Wade / Asser Sloth Andersen / Claus Kristensen / Timothy R Ganderton / Johan P Turkenburg / Pierre De Meyts / Andrzej M Brzozowski / ![]() ![]() ![]() ![]() Abstract: The insulin/insulin-like growth factor signalling axis is an evolutionary ancient and highly conserved hormonal system involved in the regulation of metabolism, growth and lifespan in animals. Human ...The insulin/insulin-like growth factor signalling axis is an evolutionary ancient and highly conserved hormonal system involved in the regulation of metabolism, growth and lifespan in animals. Human insulin is stored in the pancreas, while insulin-like growth factor-1 (IGF-1) is maintained in blood in complexes with IGF-binding proteins (IGFBP1-6). Insect insulin-like polypeptide binding proteins (IBPs) have been considered as IGFBP-like structural and functional homologues. Here, we report structures of the Drosophila IBP Imp-L2 in its free form and bound to Drosophila insulin-like peptide 5 and human IGF-1. Imp-L2 contains two immunoglobulin-like fold domains and its architecture is unrelated to human IGFBPs, suggesting a distinct strategy for bioavailability regulation of insulin-like hormones. Similar hormone binding modes may exist in other insect vectors, as the IBP sequences are highly conserved. Therefore, these findings may open research routes towards a rational interference of transmission of diseases such as malaria, dengue and yellow fevers. | ||||||
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-Validation report
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-Related structure data
Related structure data | ![]() 6ff3C ![]() 4cbpS S: Starting model for refinement C: citing same article ( |
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Similar structure data |
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Assembly
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Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments: Component-ID: _ / Refine code: _
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