3KHQ

Crystal structure of murine Ig-beta (CD79b) in the monomeric form

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	5	298	20% Peg 750 MME, 0.2M MgCl2, 100mM Na Citrate, pH 5.0, VAPOR DIFFUSION, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
1.62	23.89

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 35.63	α = 90
b = 79.72	β = 90
c = 34.32	γ = 90

Symmetry
Space Group	P 21 21 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	CCD	MARMOSAIC 300 mm CCD	mirrors		M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	1.000	APS	22-ID

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	1.7	50		0.065	21.5	5.5		10471		-3	20.6

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	1.7	1.74			0.317	2.6	2.3

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	MOLECULAR REPLACEMENT	THROUGHOUT	1.7	39.87	10071	515	93.75	0.18758	0.187	0.197	RANDOM	31.694

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]
-0.96			1.54		-0.58

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.963
r_dihedral_angle_4_deg	18.123
r_scangle_it	16.397
r_scbond_it	13.477
r_dihedral_angle_3_deg	11.74
r_mcbond_it	10.383
r_mcangle_it	10
r_dihedral_angle_1_deg	4.724
r_angle_other_deg	2.53
r_mcbond_other	2.428
r_angle_refined_deg	1.183
r_nbd_other	0.277
r_nbd_refined	0.261
r_symmetry_vdw_other	0.255
r_chiral_restr	0.246
r_xyhbond_nbd_refined	0.225
r_symmetry_vdw_refined	0.22
r_nbtor_refined	0.192
r_symmetry_hbond_refined	0.132
r_nbtor_other	0.091
r_bond_refined_d	0.006
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001
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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	752
Nucleic Acid Atoms
Solvent Atoms	58
Heterogen Atoms	34

Software

Software
Software Name	Purpose
REFMAC	refinement
CNS	refinement
HKL-2000	data reduction
HKL-2000	data scaling
CNS	phasing