Ready-to-use ELISA kits are available for the detection of SLD3, an alias of the protein, TOPBP1 interacting checkpoint and replication regulator. The official gene symbol is TICRR. The protein, with a mass of 210.9 kDa and length of 1910 residues, is reported to be nuclear. It is a member of the Treslin family and may be known by other names, including: Treslin, SLD3, C15orf42, and topBP1-interacting replication-stimulating protein.