Find PDB structures and Computed Structure Models (CSM) by combining queries from tools in this suite: Attribute Search, Sequence Similarity, Sequence Motif, 3D Similarity, and 3D Motif with 'AND' logic.
REF is a family of P1-like phage RecA-dependent nucleases. It does not appear to act as a positive RecA regulator. It is a new kind of enzyme, a RecA-dependent nuclease [1].