SNM1A is an alias for the gene, DNA cross-link repair 1A, in humans. Other names include: DNA cross-link repair 1A protein; SNM1 homolog A; hSNM1; hSNM1A; PSO2; SNM1. The encoded protein has an amino acid length of 1040 and a mass of 116.4 kDa. Other isoforms may exist. SNM1A is a member of the DNA repair metallo-beta-lactamase (DRMBL) family. This gene shares homology with other species, including: Fly, Yeast, Arabidopsis.