The WW domain is a protein module with two highly conserved tryptophans that binds proline-rich peptide motifs in vitro.

1: The WW domain: a signalling site in dystrophin? Bork P, Sudol M Trends Biochem Sci 1994;19:531-533. PMID:7846762

2: Structure of the WW domain of a kinase-associated protein complexed with a proline-rich peptide. Macias MJ, Hyvonen M, Baraldi E, Schultz J, Sudol M, Saraste M, Oschkinat H; Nature 1996;382:646-649. PMID:8757138

3: Substrate proteolysis is inhibited by dominant-negative Nedd4 and Rsp5 mutants harboring alterations in WW domain 1. Shcherbik N, Kumar S, Haines DS; J Cell Sci 2002;115:1041-1048. PMID:11870222

4: Solution structure of a Nedd4 WW domain-ENaC peptide complex. Kanelis V, Rotin D, Forman-Kay JD; Nat Struct Biol 2001;8:407-412. PMID:11323714

5: Converging on proline: the mechanism of WW domain peptide recognition. Zarrinpar A, Lim WA; Nat Struct Biol 2000;7:611-613. PMID:10932238

6: A novel pro-Arg motif recognized by WW domains. Bedford MT, Sarbassova D, Xu J, Leder P, Yaffe MB; J Biol Chem 2000;275:10359-10369. PMID:10744724

7: Function of WW domains as phosphoserine- or phosphothreonine-binding modules. Lu PJ, Zhou XZ, Shen M, Lu KP; Science 1999;283:1325-1328. PMID:10037602

8: The WW domain of neural protein FE65 interacts with proline-rich motifs in\tMena, the mammalian homolog of Drosophila enabled. Ermekova KS, Zambrano N, Linn H, Minopoli G, Gertler F, Russo T, Sudol M; J Biol Chem 1998;272:32869-32877. PMID:9407065

9: Towards prediction of cognate complexes between the WW domain and proline-rich ligands. Einbond A, Sudol M; FEBS Lett 1996;384:1-8. PMID:8797792

10: The WW domain of Yes-associated protein binds a proline-rich ligand that differs from the consensus established for Src homology 3-binding modules. Chen HI, Sudol M; Proc Natl Acad Sci U S A 1995;92:7819-7823. PMID:7644498

11: Characterization of a novel protein-binding module--the WW domain. Sudol M, Chen HI, Bougeret C, Einbond A, Bork P; FEBS Lett 1995;369:67-71. PMID:7641887