Ready-to-use ELISA kits are available for the detection of SLD5, an alias of the protein, GINS complex subunit 4. The official gene symbol is GINS4. The protein, with a mass of 26 kDa and length of 223 residues, is reported to be cytoplasmic and nuclear. It is a member of the GINS4/SLD5 family and may be known by other names, including: SLD5, SLD5 homolog, and DNA replication complex GINS protein SLD5.