A temperature-sensitive mutant of the zyg gene. zyg-1(oj7), zyg-1(b1), zyg-1(it4), zyg-1(it37) are alleles of zyg-1 gene, each one resulting in temperature sensitive mutations. C. elegans II, p.1046
A linear polymer of amino acids linked together in a specific sequence and usually containing more than 50 residues. Proteins form the key structural elements in cells and participate in nearly all cellular activities.