2FTS

Crystal structure of the glycine receptor-gephyrin complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	311	0.1M Tris-HCl (pH 7.5), 0.1-0.2 M KSCN, 25-30% PEG 4000, vapor diffusion, hanging drop, temperature 311K

Crystal Properties
Matthews coefficient	Solvent content
2.6	52.77

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.298	α = 90
b = 123.541	β = 90
c = 155.047	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	ADSC QUANTUM 4		2005-02-03		SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X26C	1.1	NSLS	X26C

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	2.38	50	89.6	0.096	10.6	4.8		18221

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	2.38	2.47		75.3	0.563		4.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.41	20	18182	934	93.2	0.196	0.192	0.272	RANDOM	40.44

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]
-0.13			2.46		-2.33

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.085
r_dihedral_angle_4_deg	17.261
r_dihedral_angle_3_deg	15.037
r_dihedral_angle_1_deg	5.027
r_scangle_it	2.113
r_angle_refined_deg	1.619
r_scbond_it	1.378
r_mcangle_it	0.902
r_angle_other_deg	0.839
r_mcbond_it	0.793
r_symmetry_hbond_refined	0.301
r_xyhbond_nbd_refined	0.208
r_nbd_refined	0.207
r_symmetry_vdw_other	0.206
r_nbd_other	0.187
r_symmetry_vdw_refined	0.182
r_nbtor_refined	0.174
r_mcbond_other	0.108
r_chiral_restr	0.101
r_nbtor_other	0.085
r_bond_refined_d	0.019
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3298
Nucleic Acid Atoms
Solvent Atoms	150
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction