8C53 image
Entry Detail
PDB ID:
8C53
Keywords:
Title:
Trypanosoma brucei IMP dehydrogenase (ori) crystallized in High Five cells reveals native ligands ATP, GDP and phosphate. Diffraction data collection at 100 K in cellulo; CrystFEL processing
Biological Source:
Source Organism:
Host Organism:
PDB Version:
Deposition Date:
2023-01-06
Release Date:
2024-01-17
Method Details:
Experimental Method:
Resolution:
2.30 Å
R-Value Free:
0.24
R-Value Work:
0.20
R-Value Observed:
0.20
Space Group:
P 4 21 2
Macromolecular Entities
Polymer Type:polypeptide(L)
Description:Inosine-5'-monophosphate dehydrogenase
Mutations:T488S
Chain IDs:A, B
Chain Length:512
Number of Molecules:2
Biological Source:Trypanosoma brucei
Primary Citation
A streamlined approach to structure elucidation using in cellulo crystallized recombinant proteins, InCellCryst.
Nat Commun 15 1709 1709 (2024)
PMID: 38402242 DOI: 10.1038/s41467-024-45985-7

Abstact

With the advent of serial X-ray crystallography on microfocus beamlines at free-electron laser and synchrotron facilities, the demand for protein microcrystals has significantly risen in recent years. However, by in vitro crystallization extensive efforts are usually required to purify proteins and produce sufficiently homogeneous microcrystals. Here, we present InCellCryst, an advanced pipeline for producing homogeneous microcrystals directly within living insect cells. Our baculovirus-based cloning system enables the production of crystals from completely native proteins as well as the screening of different cellular compartments to maximize chances for protein crystallization. By optimizing cloning procedures, recombinant virus production, crystallization and crystal detection, X-ray diffraction data can be collected 24 days after the start of target gene cloning. Furthermore, improved strategies for serial synchrotron diffraction data collection directly from crystals within living cells abolish the need to purify the recombinant protein or the associated microcrystals.

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Primary Citation of related structures