2CMO

The structure of a mixed glur2 ligand-binding core dimer in complex with (s)-glutamate and the antagonist (s)-ns1209

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1FTL	PDB ENTRIES 1FTL AND 1FTJ
experimental model	PDB	1FTJ	PDB ENTRIES 1FTL AND 1FTJ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		pH 6.50

Crystal Properties
Matthews coefficient	Solvent content
2.4	48.73

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.554	α = 90
b = 92.953	β = 90
c = 96.454	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	120	CCD	MARRESEARCH		2002-09-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.65	24.06	88.8	0.1	6			15865		-3	26.4

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.65	2.74	87.8		0.35	2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRIES 1FTL AND 1FTJ	2.65	24.06	15865	775	88.8	0.215	0.215	0.281	RANDOM	23.5

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
1.93			-1.28		-0.65

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	20.9
c_scangle_it	1.44
c_mcangle_it	1.14
c_angle_deg	1
c_scbond_it	0.89
c_improper_angle_d	0.69
c_mcbond_it	0.64
c_bond_d	0.006
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4018
Nucleic Acid Atoms
Solvent Atoms	230
Heterogen Atoms	66

Software

Software
Software Name	Purpose
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing