5BPK

Varying binding modes of inhibitors and structural differences in the binding pockets of different gamma-glutamyltranspeptidases

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION		293	PEG3350, 0.1M TRIS

Crystal Properties
Matthews coefficient	Solvent content
2.82	56.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.777	α = 90
b = 112.006	β = 90.79
c = 91.854	γ = 90

Symmetry
Space Group	P 1 21 1

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	MARRESEARCH		2010-04-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	1.000	SLS	X10SA

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	1.49	91.84	99.2	0.07	16.6	3.7		176874

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	1.49	1.55	98.5		0.51		3.7

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	2NQO	1.49	91.8	170766	4718	99.21	0.1449	0.1438	0.1837	RANDOM	13.238

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]
-0.49		0.53	0.84		-0.33

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.078
r_dihedral_angle_4_deg	16.768
r_dihedral_angle_3_deg	12.107
r_sphericity_free	8.961
r_dihedral_angle_1_deg	6.192
r_scangle_it	5.766
r_sphericity_bonded	4.463
r_scbond_it	4.219
r_mcangle_it	3.114
r_mcbond_it	2.289
r_rigid_bond_restr	2.009
r_angle_refined_deg	1.221
r_mcbond_other	1.211
r_angle_other_deg	0.871
r_chiral_restr	0.071
r_bond_refined_d	0.008
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8142
Nucleic Acid Atoms
Solvent Atoms	961
Heterogen Atoms	192

Software

Software
Software Name	Purpose
REFMAC	refinement
MOLREP	phasing
XDS	data reduction
XSCALE	data scaling