Obtaining well-ordered crystals remains a significant challenge in protein X-ray crystallography. Carrier-driven crystallization can facilitate crystal formation and structure solution of difficult target proteins. We obtained crystals of the small and highly flexible SPX domain from the yeast vacuolar transporter chaperone 4 (Vtc4) when fused to a C-terminal, non-cleavable macro tag derived from human histone macroH2A1.1. Initial crystals diffracted to 3.3 Å resolution. Reductive protein methylation of the fusion protein yielded a new crystal form diffracting to 2.1 Å. The structures were solved by molecular replacement, using isolated macro domain structures as search models. Our findings suggest that macro domain tags can be employed in recombinant protein expression in E. coli, and in carrier-driven crystallization.
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| Evidence ID | Analyze ID | Gene/Complex | Systematic Name/Complex Accession | Qualifier | Gene Ontology Term ID | Gene Ontology Term | Aspect | Annotation Extension | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Phenotype | Experiment Type | Experiment Type Category | Mutant Information | Strain Background | Chemical | Details | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Disease Ontology Term | Disease Ontology Term ID | Qualifier | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Regulator | Regulator Systematic Name | Target | Target Systematic Name | Direction | Regulation of | Happens During | Regulator Type | Direction | Regulation Of | Happens During | Method | Evidence | Strain Background | Reference |
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| Site | Modification | Modifier | Source | Reference |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Allele | Assay | Annotation | Action | Phenotype | SGA score | P-value | Source | Reference | Note |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Assay | Annotation | Action | Modification | Source | Reference | Note |
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| Complement ID | Locus ID | Gene | Species | Gene ID | Strain background | Direction | Details | Source | Reference |
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| Evidence ID | Analyze ID | Dataset | Description | Keywords | Number of Conditions | Reference |
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