Presented below are ELISA kits for measuring Family with Sequence Similarity 157, Member B, another term for Family with sequence similarity 157 member B. Other names may also include: family with sequence similarity 157, member B. In humans this protein is encoded by the gene, FAM157B. It has a reported sequence size of 384 amino acids and a mass of 43.1 kilodaltons. It has been designated as a member of the FAM157 family.