SPOCK1 is a symbol for the gene, Sparc/osteonectin, cwcv and kazal-like domains proteoglycan (testican) 1, in humans. Other names include: Testican-1; Protein SPOCK; SPOCK; TESTICAN; TIC1. The encoded protein has an amino acid length of 439 and a mass of 49.1 kDa. Other isoforms may exist. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Chicken.