CYANA Function: idr

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idr(integer) = integer


This function returns the residue index of the dihedral angle with the given dihedral angle index.

The residues are indexed from 1 to nr according to the sequence declared in the sequence file. The (external) residue number that is used to identify a residue in the input files can be different from the (internal) residue index. The function rnum can be used to obtain the external residue number of from the residue index.

Optionally, the integer dihedral angle index can be replaced by a string consisting of the dihedral angle name and the residue number, separated by a blank or a period, ..