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| Annotation rule MF_03226 |
General rule information
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| Accession | MF_03226 |
| Dates | 19-DEC-2018 (Created) 20-NOV-2019 (Last updated, Version 4) |
| Name | YJU2 |
| Scope | Eukaryota |
| Templates | P28320 (YJU2_YEAST); Q9BW85 (YJU2_HUMAN); A8WHR3 (YJU2_DANRE); Q9P7C5 (YJU2_SCHPO): [Recover all] |
| Triggered by |
Propagated annotation
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Identifier, protein and gene names
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| Identifier |
|
| Protein name |
|
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case <OC:Saccharomycetales> or <OC:Vertebrata>
| Gene name |
|
end case
Comments
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case <OC:Saccharomycetales>
| Function | Part of the spliceosome which catalyzes two sequential transesterification reactions, first the excision of the non-coding intron from pre-mRNA and then the ligation of the coding exons to form the mature mRNA. Plays a role (via N-terminus) in stabilizing the structure of the spliceosome catalytic core and docking of the branch helix into the active site, producing 5'-exon and lariat intron-3'-intermediates. Further stabilizes spliceosome conformation for 3'-splice site docking (via C-terminus) promoting exon ligation. |
else case <OC:Vertebrata>
| Function | Part of the spliceosome which catalyzes two sequential transesterification reactions, first the excision of the non-coding intron from pre-mRNA and then the ligation of the coding exons to form the mature mRNA. Plays a role in stabilizing the structure of the spliceosome catalytic core and docking of the branch helix into the active site, producing 5'-exon and lariat intron-3'-intermediates. May protect cells from TP53-dependent apoptosis upon dsDNA break damage through association with PRP19-CD5L complex. |
else
| Function | Part of the spliceosome which catalyzes two sequential transesterification reactions, first the excision of the non-coding intron from pre-mRNA and then the ligation of the coding exons to form the mature mRNA. Plays a role in stabilizing the structure of the spliceosome catalytic core and docking of the branch helix into the active site, producing 5'-exon and lariat intron-3'-intermediates. |
end case
| Subunit | Component of the spliceosome. Present in the activated B complex, the catalytically activated B* complex which catalyzes the branching, the catalytic step 1 C complex catalyzing the exon ligation, and the postcatalytic P complex containing the ligated exons (mRNA) and the excised lariat intron. |
| Subcellular location | Nucleus. |
| Similarity | Belongs to the CWC16 family. YJU2 subfamily. |
Keywords
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case <FTGroup:1>
end case
Gene Ontology
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GO:0071006; Cellular component: U2-type catalytic step 1 spliceosome.
GO:0000349; Biological process: generation of catalytic spliceosome for first transesterification step.
GO:0000349; Biological process: generation of catalytic spliceosome for first transesterification step.
case <OC:Saccharomycetales>
GO:0071007; Cellular component: U2-type catalytic step 2 spliceosome.
GO:0000350; Biological process: generation of catalytic spliceosome for second transesterification step.
GO:0000350; Biological process: generation of catalytic spliceosome for second transesterification step.
end case
Cross-references
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| Pfam | PF04502; DUF572; 1; |
Features
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| From: YJU2_YEAST (P28320) | ||||||||||||
| Key | From | To | Description | Tag | Condition | FTGroup | ||||||
| METAL | 51 | 51 | Zinc | C | 1 | |||||||
| METAL | 54 | 54 | Zinc | C | 1 | |||||||
| METAL | 88 | 88 | Zinc | C | 1 | |||||||
| METAL | 91 | 91 | Zinc | C | 1 | |||||||
Additional information
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| Size range | 270-345 amino acids |
| Related rules | None |
| Fusion | None |