SGD Paper 
Rao H and Stillman B (1995) The origin recognition complex interacts with a bipartite DNA binding site within yeast replicators. Proc Natl Acad Sci U S A 92(6):2224-8
Abstract: Replicators are genetically defined elements within chromosomes that determine the location of origins of DNA replication. In the yeast Saccharomyces cerevisiae, the ARS1 replicator contains multiple functional DNA elements: an essential A element and three important B elements--B1, B2, and B3. Functionally similar A, B1, and B2 elements are also present in the ARS307 replicator. The B3 element binds a replication and transcription enhancer protein Abf1p, whereas the A element is required for binding the origin recognition complex (ORC). The function of the B1 and B2 elements remains to be defined. We have used a gel-based DNA binding assay to study the interaction between replicators and the putative initiator protein ORC. In addition to the established requirements for ATP and the A element for ORC-DNA interaction, the new data demonstrate that sequences in the B1 element are also important for ORC-DNA association. This conclusion is supported by DNase I footprint analyses and demonstrates that ORC binds to a bipartitite recognition element within the DNA. Furthermore, mutation of nucleotides in the B1 element suggests that this element has other functions in the initiation of DNA replication besides participating in the ORC-DNA interaction.
| Status: Published | Type: Journal Article | PubMed ID: 7892251 |
Topics addressed in this paper
Number of different genes curated to this paper: 3
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