DPH3P1 is a symbol for the gene, Diphthamide biosynthesis 3 pseudogene 1, in humans. Other names include: Putative DPH3 homolog B; CSL-type zinc finger-containing protein 1; C20orf143; DPH3B; ZCSL1. The encoded protein has an amino acid length of 78 and a mass of 8.7 kDa. DPH3P1 is a member of the DPH3 family.