WATER-MOLECULES HYDROGEN-BONDING TO AROMATIC ACCEPTORS OF AMINO-ACIDS- THE STRUCTURE OF TYR-TYR-PHE DIHYDRATE AND A CRYSTALLOGRAPHIC DATABASE STUDY ON PEPTIDES
T. Steiner et al., WATER-MOLECULES HYDROGEN-BONDING TO AROMATIC ACCEPTORS OF AMINO-ACIDS- THE STRUCTURE OF TYR-TYR-PHE DIHYDRATE AND A CRYSTALLOGRAPHIC DATABASE STUDY ON PEPTIDES, Acta crystallographica. Section D, Biological crystallography, 54, 1998, pp. 25-31
Citations number
34
Categorie Soggetti
Crystallography,"Biochemical Research Methods",Biophysics
The crystal structure of Tyr-Tyr-Phe dihydrate contains a hydrogen bon
d formed between a water molecule and the Phe side chain. The geometry
is centered with a distance of 3.26 Angstrom between the water O atom
and the aromatic centroid. In a database study on hydrated peptides,
four related examples are found which exhibit a wide variability of hy
drogen-bond geometries. The intermolecular surroundings of the water m
olecules are inspected, showing that they are typically involved in co
mplex networks of conventional and non-conventional hydrogen bonds. Po
ssible relevance for protein hydration is given.