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| PR:Q54N41 | pre-mRNA-splicing factor ISY1 homolog (Dictyostelium discoideum) | | |  | | |
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| PR:Q9ULR0 | pre-mRNA-splicing factor ISY1 homolog (human) | | |  | | |
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| PR:Q9ULR0-2 | pre-mRNA-splicing factor ISY1 homolog isoform 1 (human) | | |  | | |
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| PR:Q9ULR0-3 | pre-mRNA-splicing factor ISY1 homolog isoform 3 (human) | | |  | | |
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| PR:Q69ZQ2 | pre-mRNA-splicing factor ISY1 homolog (mouse) | | |  | | |
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| PR:Q69ZQ2-1 | pre-mRNA-splicing factor ISY1 homolog isoform 1 (mouse) | | |  | | |
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| PR:Q6AYB3 | pre-mRNA-splicing factor ISY1 homolog (rat) | | |  | | |
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| PR:Q69ZQ2-1 | pre-mRNA-splicing factor ISY1 homolog isoform 1 (mouse) | | |  | | |
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| PR:Q9ULR0-3 | pre-mRNA-splicing factor ISY1 homolog isoform 3 (human) | | |  | | |
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