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- Title
Reflectins: the unusual proteins of squid reflective tissues.
- Authors
Crookes, Wendy J; Ding, Lin-Lin; Huang, Qing Ling; Kimbell, Jennifer R; Horwitz, Joseph; McFall-Ngai, Margaret J
- Abstract
A family of unusual proteins is deposited in flat, structural platelets in reflective tissues of the squid Euprymna scolopes. These proteins, which we have named reflectins, are encoded by at least six genes in three subfamilies and have no reported homologs outside of squids. Reflectins possess five repeating domains, which are highly conserved among members of the family. The proteins have a very unusual composition, with four relatively rare residues (tyrosine, methionine, arginine, and tryptophan) comprising approximately 57% of a reflectin, and several common residues (alanine, isoleucine, leucine, and lysine) occurring in none of the family members. These protein-based reflectors in squids provide a marked example of nanofabrication in animal systems.
- Publication
Science (New York, N.Y.), 2004, Vol 303, Issue 5655, p235
- ISSN
1095-9203
- Publication type
Journal Article
- DOI
10.1126/science.1091288