ORC1A cDNA ORF clone, Arabidopsis thaliana(thale cress)

Sequence and analysis of chromosome 4 of the plant Arabidopsis thaliana.
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ORC1 functions as a transcriptional activator of a subset of genes, the promoters of which are preferentially bound by ORC1
Title: Arabidopsis ORC1 is a PHD-containing H3K4me3 effector that regulates transcription.

ORC1 and Mcm3 proteins are required for DNA replication in protein extracts from human cells
Title: DNA replication in protein extracts from human cells requires ORC and Mcm proteins.

ORC1a and ORC1b are regulated by the E2F/DP family of transcription factors and AtORC1b promoter is active exclusively in proliferating cells
Title: The genes encoding Arabidopsis ORC subunits are E2F targets and the two ORC1 genes are differently expressed in proliferating and endoreplicating cells.