Table 1.

Entries superimposed based on non-hydrogen atoms of Glu with GlyGlu and their RMS (Å) values.

Entry	Polymorph		Torsion/Dihedral Angle (°)			Compound (Complex)	RMS (Å)
		NCαCβCγ	CαCβCγCδ	CβCγCδOε(1)	CβCγCδOε(2)
2090883	alpha	−58.15	176.61	−1.73	179.14	Glycyl-L-glutamic acid	0.0
LGLUAC02	alpha	178.43	68.83	−104.92	73.99	L-Glutamic acid	0.137
Si2005	alpha	−69.92	−171.72	−166.60	14.87	L-Glutamic acid Hydrochloride	0.137
ARGGLU10		−56.83	−172.05	179.91	−2.58	L-Arginine L-glutamate monohydrate	0.138
BELCUQa		(C)−57.83 (N)60.31	−131.06 −174.55	36.02 174.20	−145.50 −4.20	α-L-Glutamyl-L-glutamic acid	0.523
BOFZOL		59.05	171.15	−139.23	37.55	α-L-Leucyl-L-glutamic acid	0.634
CIJGUX		178.46	174.31	−179.62	0.30	L-Valyl-L-glutamic acid	0.773
LGLUAC11	beta	−51.79	−73.10	−160.70	18.80	L-Glutamic acid	0.859
DIYZIU		−171.14	−179.19	119.71	−59.71	L-Arginyl-L-glutamic acid monohydrate	1.031
LGLUAC12		−52.12	−73.15	−160.72	19.34	L-Glutamic acid	1.053
LGLUAC01	beta	−50.98	−74.16	−160.14	20.30	L-Glutamic acid	1.130
BUDXUT		−170.26	70.26	175.00	−5.67	L-Prolyl-L-glutamic acid dihydrate	1.131

^a-C terminal residue 1, N terminal residue 2