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Piet Gros Lab

Bijvoet Centre for Biomolecular Research
Department of Chemistry, Faculty of Science
Utrecht University

email: p.grosuu.nl



Research Areas

Overview

Complement System

Plasma & Membrane Proteins

Crystallographic Method Development

Major Techniques

X-ray Crystallography

Cryo-Electron Microscopy

Biophysical Characterisation



Research Highlights


Tetraspanin CD9/EWI-F
CD9::EWI-F

Cryo-EM structure of CD9 in complex with EWI-F; implications for Tetraspanin-enriched microdomain formation .

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More STEAPs
STEAP1

Structural and biochemical studies of STEAP1 suggest a role as modulator of iron(III) reduction.

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Oligomeric Properdin
FP-multi

Complement enhancement by oligomeric properdin explained by crystal structures of properdin and properdin/C3b-CTC complexes.

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Caught in the act
IgM-C1

Structures of IgM-C1-C4b complexes on liposomes revealed by cryo-EM tomography.

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Metal Homeostasis
STEAP4

Cryo-EM structures of human STEAP4 reveal mechanism of iron(III) reduction.

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C1-IgG1 complex
C1q

C1 binds heterogeneously to IgG1-Fc hexamer complexes.

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Complement Regulation
C3b-Factor H-Factor I

Ternary complex C3b-FH-FI reveals molecular mechanisms underlying co-factor activity and complement-immune processing

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Complement Lysis
MAC vesicle

Heterogeneous MAC initiator and pore structures in a lipid bilayer by phase-plate cryo-electron tomography.

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Complement Regulation
C3b regulator complexes

Regulators of complement activity mediate inhibitory mechanisms through common C3b-binding mode

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Complement Activation
IgG-C1 complex

Complement is activated by IgG hexamers assembled at the cell surface.

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Stem Cells
LGR5-Rspo1 dimer

Stem cell growth factor R-spondin 1 in complex with the ectodomain of its receptor LGR5

Stem Cells
ZRNF3-Rspo1 complex

Structures of Wnt-antagonist ZNRF3 and its complex with stem cell growth factor R-spondin 1; implications for signaling

Ensemble Refinement
ensemble model of 3K0N

Modelling dynamics in protein crystal structures by ensemble refinement.

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Videos & Lectures


For more videos see our Protein structure videos gallery

Links & Miscellaneous