2C6G

Membrane-bound glutamate carboxypeptidase II (GCPII) with bound glutamate

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.25		20 MM HEPES PH 7.25, 200 MM NACL, 5% (W/V) PEG 400 AND 15% (W/V) PEG 1500

Crystal Properties
Matthews coefficient	Solvent content
3.42	63.75

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 102.435	α = 90
b = 130.428	β = 90
c = 159.775	γ = 90

Symmetry
Space Group	I 2 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	261	CCD	MARRESEARCH		2003-12-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X13		EMBL/DESY, HAMBURG	X13

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	2.2	50	96	0.08	13.4	3.8		51874		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.2	2.28	85.6		2.33

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.2	100	50549	1324	95.6	0.187	0.186	0.228	RANDOM	35.67

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]
1.13			-2.37		1.24

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	11.59
r_scangle_it	4.2
r_scbond_it	2.628
r_mcangle_it	1.82
r_angle_refined_deg	1.812
r_mcbond_it	0.996
r_angle_other_deg	0.923
r_symmetry_vdw_refined	0.367
r_symmetry_hbond_refined	0.315
r_symmetry_vdw_other	0.252
r_nbd_other	0.242
r_nbd_refined	0.211
r_xyhbond_nbd_refined	0.159
r_chiral_restr	0.107
r_nbtor_other	0.091
r_bond_refined_d	0.02
r_gen_planes_refined	0.01
r_gen_planes_other	0.01
r_bond_other_d	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5266
Nucleic Acid Atoms
Solvent Atoms	143
Heterogen Atoms	162

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling