This domain family is found in eukaryotes, and is approximately 30 amino acids in length, and the family is found in association with pfam00666. CAP18 is a protein which is derived from rabbit granulocytes. It has two domains, an N terminal DUF and a C terminal Gram negative LPS binding domain. This domain is the C terminal domain.
Jiyao W et al.(2023). "The conserved domain database in 2023.",