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.gov website belongs to an official
government organization in the United States.
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Regulatory hierarchy. A part of the hierarchy formed from combinations of cis-regulatory descriptors that are subsets of the combination MCM1-SFF' FKH1-SFF' FKH2-SFF' FKH2-SFF. Note that the hierarchical structure of the combinations are matched by a hierarchical structure of the corresponding class labels (i.e. the classes from which each combination was induced).
