Protein Domain : B3 DNA binding domain IPR003340

Type  Domain
Description  Two DNA binding proteins, RAV1 and RAV2 from Arabidopsis thaliana contain two distinct amino acid sequence domains found only in higher plant species. The N-terminal regions of RAV1 and RAV2 are homologous to the AP2 DNA-binding domain (see ) present in a family of transcription factors, while the C-terminal region exhibits homology to the highly conserved C-terminal domain, designated B3, of VP1/ABI3 transcription factors [ ]. The AP2 and B3-like domains of RAV1 bind autonomously to the CAACA and CACCTG motifs, respectively, and together achieve a high affinity and specificity of binding. It has been suggested that the AP2 and B3-like domains of RAV1 are connected by a highly flexible structure enabling the two domains to bind to the CAACA and CACCTG motifs in various spacings and orientations [].This entry represents the B3 DNA binding domain. Its DNA binding activity has been demonstrated [ ]. The B3 domain can be found in one or more copies.
Short Name  B3_DNA-bd

0 Child Features

0 Gene Families

6740 Genes

1 Ontology Annotations

0 Parent Features

13 Publications

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