... The β sheet
(also β-pleated sheet
) is a commonly occurring form of regular ... from the amino acid residues found in a β sheet
structure may also be arranged such that many of ...
... bonded turn (3, 4 or 5 turn)
E = beta sheet
in parallel and/or anti-parallel sheet
conformation (extended strand). Min length 2 ... C (coil) or L (loop). The helices (G,H and I) and sheet
conformations are all required to have a ...
... 30-31). The natural reservoir for Ebola is still unknown today (Fact sheet
Another case was the death of a nightclub owner in Nzara ... and Prevention. 18 October 2002 . 3 September 2003 .
Number 103 Ebola Hemorrhagic Fever . World Health Organization. December ...
... together with beta sheets .
The peptide backbone of an α helix has 3.6 amino acids per turn.
See also : tertiary structure -- β sheet
-- collagen helix
David Eisenberg, "The discovery of the α-helix and β-sheet, the principal structural features ...
Can disrupt protein folding structures like α helix or β sheet
... region of primary ossification
the end regions of the bone; regions of secondary ossification
the thin sheet
of bone marking the fusion of epiphyses to the diaphysis (adults only)
the proximal articular end of the bone
... is harder than alpha-keratin. Structurally alpha-keratin have alpha-helical coiled coil structure while beta-keratin have twisted beta sheet
In humans, the keratin family of proteins is divided into the soft epithelial keratins or cytokeratins and the hard hair keratins ....
... a model of two conformations of PrP; on the left is the normal, alpha helical form, while on the right is the prion form. Note the increased sheet
content (green arrows) in the prion version of the molecule. These sheets create an electric dipole and can lead to amyloid aggregation.
Primary structure : the amino acid sequence
Secondary structure : highly patterned sub-structures— alpha helix and beta sheet
—or segments of chain that assume no stable shape . Secondary structures are locally defined, meaning that there can be many different ...