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| PR:P60852 | zona pellucida sperm-binding protein 1 (human) | | |  | | |
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| PR:Q62005 | zona pellucida sperm-binding protein 1 (mouse) | | |  | | |
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| PR:O54766 | zona pellucida sperm-binding protein 1 (rat) | | |  | | |
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| PR:000021885 | zona pellucida sperm-binding protein 1 proteolytic cleavage product | | |  | | |
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| PR:000021884 | zona pellucida sperm-binding protein 1, signal peptide removed form | | |  | | |