CYANA Function: ifira: Difference between revisions
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== Synopsis == | |||
'''ifira(''integer'') = ''integer''''' | |||
== Description == | |||
The function returns the index of the first atom that belongs to the | The function returns the index of the first atom that belongs to the | ||
Latest revision as of 14:51, 12 August 2009
Synopsis
ifira(integer) = integer
Description
The function returns the index of the first atom that belongs to the residue with the given index, or the special value ifira(nr+1) = na+1.
This function is useful, for instance, to construct a loop over all atoms of a given residue, i:
do j ifira(i) ifira(i+1)-1 print "Atom $anam(j) of residue $rnam(i) $rnum(i)" end do