subroutine char SEGMENTS !if ( AUTO_SEL .eq. "HISTORY" ) key XX_KEY sele history end if ( AUTO_SEL .eq. "HISTORY" ) return if ( AUTO_SEL .eq. "ACTIVE" ) key XX_KEY sele active end if ( AUTO_SEL .eq. "WORK" ) key XX_KEY sele segm name SEGMENTS end dele atom sele segm name NEW end key PASS_KEY sele by bond XX_KEY end ! set temp sele PASS_KEY end = 0 set vari ITEST = 0 if ( nhistory .gt. 0 ) set vari ITEST int local atom sele atom numb $1 end image col 128 sele PASS_KEY end bond find chain sele PASS_KEY end sele segm name TARG end lev 8 test ITEST !rena segm ORIG sele XX_KEY end !dele atom sele XX_KEY end !dele atom sele segm name NEW end !rena segm HELP sele segm name NEW end !dele bond sele segm name ORIG HELP .and. bond range 4.0 1000.0 end