#Image:		sheet_antipara_HB.png
pdb:
Name:		antiparallel beta sheet 
Script:		sheet.pml 
Description:	antiparallel sheet shown as sticks 
Description:	colored by atom types: (carboon_gray, nitrogen_blue, oxygen_pink, hydrogen_white)
Description:	Hydrogen bonds shown as dashed lines (yellow)
Description:	Carbonyl oxygen and hydrogen involved in hydrogen bonding shown as sphere