Syntax

RESTraints PLANar { $<$restraints-planar-statement$>$ } END

is invoked from the main level of X-PLOR.

$<$restraints-planar-statement$>$:==

GROUp

{ $<$restraints-plane-group-statement$>$ } END adds a new group to the planar restraints database. More than three atoms per group need to be defined (default: (NOT ALL)).

INITialize

erases the current planar restraints database.

$<$restraints-plane-group-statement$>$:==

SELEction=$<$selection$>$

defines the group of atoms that are restrained to form a plane (default: ( NOT ALL)).

WEIGht=$<$real$>$

specifies a weight $w_{plan}$ for the planarity restraint in kcal mole$^{-1}$ Å$^{-2}$ (default: 300.0 kcal mole$^{-1}$ Å$^{-2}$).