3LOW | pdb_00003low

Crystal structure of Beta 2 Microglobulin domain-swapped dimer

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.46	50.01

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.721	α = 90
b = 29.162	β = 97.49
c = 67.715	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						M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.97166	APS	24-ID-C

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	2.19	67.14	99.3	0.057	18.3	3.6		12176

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	2.19	2.23	99.1		0.205		3.4	635

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.3	50	10581	516	99.23	0.222	0.219	0.2225	0.266	0.2691	RANDOM	47.794

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]
		-0.56	-3.39		3.24

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.963
r_dihedral_angle_4_deg	22.994
r_dihedral_angle_3_deg	20.163
r_dihedral_angle_1_deg	7.315
r_scangle_it	3.832
r_scbond_it	2.363
r_mcangle_it	1.75
r_angle_refined_deg	1.595
r_mcbond_it	0.915
r_angle_other_deg	0.903
r_mcbond_other	0.159
r_chiral_restr	0.115
r_bond_refined_d	0.016
r_gen_planes_refined	0.007
r_bond_other_d	0.003
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1604
Nucleic Acid Atoms
Solvent Atoms	33
Heterogen Atoms	18

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALEPACK	data scaling
CNS	refinement
DENZO	data reduction
PDB_EXTRACT	data extraction
CNS	phasing