2Z9T

Crystal structure of the human beta-2 microglobulin mutant W60G

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	293	0.1M MES, PEG 4000, Ammonium acetate, glycerol, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.32	46.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.678	α = 90
b = 29.014	β = 125.26
c = 59.16	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	neutron	110	CCD	MARMOSAIC 225 mm CCD		2007-02-06	L	LAUE

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-2	0.873	ESRF	ID23-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	1.8	19.2	93.2	0.068	14.9	2.9	9273	9273			13.3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.8	1.9	95.9		0.112	8	2.8	1375

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Number Reflections (All)	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 ENTRY 1PY4	1.8	19.16	2	9273	9273	489	93.2	0.17594	0.17382	0.21424	RANDOM	7.56

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]
-0.57		-0.21	0.03		0.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.015
r_dihedral_angle_3_deg	13.617
r_dihedral_angle_4_deg	12.118
r_dihedral_angle_1_deg	6.118
r_scangle_it	1.512
r_angle_refined_deg	1.241
r_scbond_it	1.09
r_angle_other_deg	0.807
r_mcangle_it	0.614
r_mcbond_it	0.487
r_symmetry_vdw_refined	0.31
r_symmetry_vdw_other	0.244
r_nbd_refined	0.233
r_nbd_other	0.196
r_xyhbond_nbd_refined	0.176
r_nbtor_refined	0.172
r_symmetry_hbond_refined	0.141
r_mcbond_other	0.096
r_chiral_restr	0.085
r_nbtor_other	0.081
r_bond_refined_d	0.008
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	827
Nucleic Acid Atoms
Solvent Atoms	99
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
DNA	data collection
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing