6EJG

CRYSTAL STRUCTURE OF HUMAN CD81 LARGE EXTRACELLULAR LOOP IN COMPLEX WITH SINGLE CHAIN FV FRAGMENT 4

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5	295	100 mM sodium citrate, 20% PEG 6000

Crystal Properties
Matthews coefficient	Solvent content
4.19	70.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.635	α = 90
b = 170.905	β = 90
c = 185.96	γ = 90

Symmetry
Space Group	C 2 2 21

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 325 mm CCD		2009-05-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.97946	SSRL	BL9-2

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	2.82	46.83	88.3	0.17	9.7	6.3		27051

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	2.82	2.92	37.2		0.494	1.5	2.1

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	2.82	46.83	25664	1348	88.16	0.22874	0.22702	0.26272	RANDOM	40.385

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]
0.6			-0.49		-0.11

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.855
r_dihedral_angle_4_deg	16.939
r_dihedral_angle_3_deg	15.939
r_dihedral_angle_1_deg	6.105
r_angle_refined_deg	0.99
r_angle_other_deg	0.76
r_scangle_it	0.589
r_scbond_it	0.354
r_mcangle_it	0.341
r_mcbond_it	0.312
r_symmetry_vdw_refined	0.29
r_nbd_refined	0.187
r_nbd_other	0.176
r_nbtor_refined	0.174
r_symmetry_hbond_refined	0.164
r_symmetry_vdw_other	0.145
r_xyhbond_nbd_refined	0.114
r_nbtor_other	0.083
r_chiral_restr	0.059
r_xyhbond_nbd_other	0.025
r_mcbond_other	0.024
r_bond_refined_d	0.005
r_gen_planes_refined	0.002
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4902
Nucleic Acid Atoms
Solvent Atoms	57
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALEPACK	data scaling
DENZO	data reduction
PHASER	phasing