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Structura Biotechnology Profile
Structura Biotechnology

@structurabio

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Algorithms, Software and Systems for Cryo-EM. Makers of CryoSPARC.

Toronto, Ontario
Joined May 2016
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@structurabio
Structura Biotechnology
5 months
#CryoSPARC v4.7 is out! 🚀 .Featuring a new automatic Micrograph Junk Detector that labels and rejects contaminants, new tools for curating subsets of particles, performance and stability fixes, and more! .Full changelog: #cryoEM
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@structurabio
Structura Biotechnology
2 days
RT @OliBClarke: New story - a joint effort with the Vallese lab at ASRC - in which we solve the #cryoem structures of endogenous RBC stoma….
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@structurabio
Structura Biotechnology
16 days
RT @nchembio: Disulfide-based dimerization of modified nanobody scaffolds enables higher-order assembly for high-resolution cryo-EM structu….
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nature.com
Nature Chemical Biology - Disulfide-based dimerization of modified identical and heterologous nanobody scaffolds enables higher-order assembly for high-resolution cryo-electron microscopy structure...
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@structurabio
Structura Biotechnology
19 days
RT @generate_biomed: We’re scaling structure as a core capability in AI-native drug design. #TeamGenerate is searching for an Executive Di….
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@structurabio
Structura Biotechnology
29 days
Flexibility can be frustrating when processing a #cryoEM dataset. If your target has a wobbly domain, check out our new case study on FaNaC1 for continuous heterogeneity tips in #CryoSPARC!.
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@structurabio
Structura Biotechnology
1 month
RT @edward_eng: Looking forward to seeing everyone tomorrow at #MM2025 PMCX61: Transformative. High-Resolution Cryo-Electron Microscopy (3D….
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@structurabio
Structura Biotechnology
1 month
When particles have orientation bias, the resulting maps are often streaked along the missing directions. In this case study, we cover why orientation bias produces anisotropic #cryoEM maps and how you may be able to recover from it!.
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@structurabio
Structura Biotechnology
2 months
Link here!
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guide.cryosparc.com
Processing EMPIAR-10256 with a focus on handling pseudosymmetry and 3D Classification parameter choices.
@structurabio
Structura Biotechnology
2 months
Working with symmetric or pseudosymmetric particles in #cryoEM? . This TRPV5 and CaM case study includes practical considerations for using symmetry relaxation and 3D classification when analyzing a pseudosymmetric particle in #CryoSPARC!
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@structurabio
Structura Biotechnology
2 months
Working with symmetric or pseudosymmetric particles in #cryoEM? . This TRPV5 and CaM case study includes practical considerations for using symmetry relaxation and 3D classification when analyzing a pseudosymmetric particle in #CryoSPARC!
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@structurabio
Structura Biotechnology
2 months
Looking for a deep dive into 2D classification in #cryoEM?. These recent guide pages cover practical aspects & parameter choices when running these jobs in #CryoSPARC, along with the theory behind expectation maximization: and
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@structurabio
Structura Biotechnology
3 months
RT @OliBClarke: New story - the structure of the Vault cap at 2.3 Å! Fantastic work by Huan Li (@huanli00). For more details, read the prep….
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@structurabio
Structura Biotechnology
3 months
RT @edward_eng: Save the date! October 9-10, 2025 @asrc_gc SBI & @NYSBC_Science will host our 3rd NYC Integrative Structural Biology sympos….
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@structurabio
Structura Biotechnology
4 months
Grappling with poorly-resolved ligand binding sites in #cryoEM maps?.Check out our new case study on a peptide ligand-bound GPCR showing how practical tips and features in #CryoSPARC v4.7 improve locally refined map quality & reveal clearer ligand density!.
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@structurabio
Structura Biotechnology
5 months
Are you new to #CryoEM, or looking for a review of the basics? .You might enjoy our TRPV1 case study! It covers preprocessing, particle curation, refinement, and more! You can also test your skills with the advanced exercises at the end of the study.
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@structurabio
Structura Biotechnology
9 months
8/ A huge thanks to S2C2 for organizing and recording the workshop, and to all participants for your engagement! .Check out other talks on S2C2’s website: @S2CryoEMCenter @SLAClab.
s2c2.slac.stanford.edu
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@structurabio
Structura Biotechnology
9 months
7/ The final video discusses two ways of working with continuous heterogeneity in #CryoSPARC (3D Variability Analysis & 3D Flexible Refinement), and covers both theoretical workings and practical considerations for inputs and parameter choices.
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@structurabio
Structura Biotechnology
9 months
6/ The fifth video presents the benefits and drawbacks of various methods of handling discrete heterogeneity, using a FaNaC1 dataset as an example.
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@structurabio
Structura Biotechnology
9 months
5/ In the fourth video, we discuss how we processed an Encapsulated Ferritin sample with non-point-group symmetry to high resolution, including using several different jobs to perform a “custom symmetry expansion”.
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@structurabio
Structura Biotechnology
9 months
4/ The third video covers important considerations and potential pitfalls when working with symmetric samples, using the TRPV5 ion channel as an example.
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@structurabio
Structura Biotechnology
9 months
3/ The second video presents a “standard workflow” using TRPV1, meant to be a useful starting workflow for most single-particle datasets. Of course, there are many alternate workflows which will be just as effective!.
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