2PVV

Structure of human glutamate carboxypeptidase II (GCPII) in complex with L-serine-O-sulfate

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	293	33% (v/v) pentaerythritol propoxylate PO/OH 5/4, 1 3% (w/v) PEG 3350, 100 mM Tris-HCl, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.29	62.62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 101.617	α = 90
b = 130.22	β = 90
c = 158.975	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	100	IMAGE PLATE	MAR scanner 345 mm plate		2006-12-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200

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	2.1	30	98.9	0.097	15.4	4.8	60304	60304		-3

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	2.1	2.18	98.4		0.505	3.7	4.8	5928

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	Difference Fourier	THROUGHOUT	2OOT	2.11	30	57236	3061	98.56	0.17622	0.17424	0.21214	RANDOM	29.73

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]
1.47			-2.21		0.74

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.892
r_dihedral_angle_4_deg	16.406
r_dihedral_angle_3_deg	14.712
r_dihedral_angle_1_deg	6.431
r_scangle_it	4.06
r_scbond_it	2.808
r_angle_refined_deg	1.803
r_mcangle_it	1.769
r_mcbond_it	1.127
r_nbtor_refined	0.316
r_symmetry_vdw_refined	0.242
r_nbd_refined	0.212
r_xyhbond_nbd_refined	0.167
r_symmetry_hbond_refined	0.161
r_chiral_restr	0.125
r_metal_ion_refined	0.105
r_bond_refined_d	0.021
r_gen_planes_refined	0.009
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5529
Nucleic Acid Atoms
Solvent Atoms	510
Heterogen Atoms	191

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345dtb	data collection
HKL-2000	data reduction
HKL-2000	data scaling