id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	blockedby	blocking	notify_on_close	platform	project
971	nucleotides error showing slabs for 5cd4	Elaine Meng	Greg Couch	"open 5cd4
hide protein
nuc slab

(nuc ladder works if you haven't tried slab, but slab and tube/slab both cause the error)

nucleotides slab
Error processing trigger ""new frame""
Traceback (most recent call last):
File ""/Users/meng/Desktop/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/chimerax/core/triggerset.py"", line 126, in invoke
return self._func(self._name, data)
File ""/Users/meng/Desktop/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/chimerax/nucleotides/_data.py"", line 565, in _rebuild
_rebuild_molecule('internal', mol)
File ""/Users/meng/Desktop/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/chimerax/nucleotides/_data.py"", line 626, in _rebuild_molecule
hide_residues = make_slab(nd, residues, nuc_info)
File ""/Users/meng/Desktop/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/chimerax/nucleotides/_data.py"", line 1045, in make_slab
if not draw_slab(nd, r, rds[r]['name'], **params):
File ""/Users/meng/Desktop/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/chimerax/nucleotides/_data.py"", line 751, in draw_slab
standard = standard_bases[name]
KeyError: 'X'"	defect	closed	major		Depiction		fixed						all	ChimeraX