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| PR:Q13905 | Rap guanine nucleotide exchange factor 1 (human) | | |  | | |
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| PR:Q13905-1 | Rap guanine nucleotide exchange factor 1 isoform Long (human) | | |  | | |
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| PR:Q13905-2 | Rap guanine nucleotide exchange factor 1 isoform Short (human) | | |  | | |
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| PR:Q13905-3 | Rap guanine nucleotide exchange factor 1 isoform h3 (human) | | |  | | |
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| PR:Q13905-4 | Rap guanine nucleotide exchange factor 1 isoform h4 (human) | | |  | | |
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| PR:000085701 | Rap guanine nucleotide exchange factor 1 methylated 1 (human) | | |  | | |
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| PR:000045924 | Rap guanine nucleotide exchange factor 1 phosphorylated 1 (human) | | |  | | |
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| PR:000067696 | Rap guanine nucleotide exchange factor 1 phosphorylated 2 (human) | | |  | | |
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| PR:000083389 | Rap guanine nucleotide exchange factor 1 phosphorylated 3 (human) | | |  | | |
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| PR:Q3UHC1 | Rap guanine nucleotide exchange factor 1 (mouse) | | |  | | |
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| PR:Q3UHC1-1 | Rap guanine nucleotide exchange factor 1 isoform 1 (mouse) | | |  | | |
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| PR:Q3UGX8 | Rap guanine nucleotide exchange factor 1 isoform 2 (mouse) | | |  | | |
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| PR:Q91ZZ2 | Rap guanine nucleotide exchange factor 1 isoform 3 (mouse) | | |  | | |