3HC4

BHA10 IgG1 Fab quadruple mutant variant - antibody directed at human LTBR

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	298	20% PEG 4000, 200 mM calcium acetate 10 mM zinc chloride and 100 mM Tris at pH 8, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.97	58.64

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 73.605	α = 90
b = 118.233	β = 90
c = 126.452	γ = 90

Symmetry
Space Group	I 2 2 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	MAR CCD 165 mm		2008-02-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID	1.000	APS	31-ID

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	1.62	50	99.5	0.089				66764	2	2

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)
	1.62	1.66	93.4		0.479

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	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 3HC0	1.62	20	2	2	66764	3546	99.45	0.16202	0.16102	0.18048	RANDOM	16.133

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]
-0.32			0.57		-0.25

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.99
r_dihedral_angle_4_deg	19.782
r_dihedral_angle_3_deg	12.813
r_dihedral_angle_1_deg	6.534
r_sphericity_free	5.591
r_scangle_it	2.737
r_scbond_it	1.973
r_sphericity_bonded	1.491
r_mcangle_it	1.361
r_angle_refined_deg	1.311
r_mcbond_it	0.942
r_rigid_bond_restr	0.932
r_angle_other_deg	0.813
r_mcbond_other	0.278
r_symmetry_vdw_other	0.227
r_symmetry_vdw_refined	0.211
r_nbd_refined	0.205
r_nbd_other	0.198
r_nbtor_refined	0.174
r_symmetry_hbond_refined	0.168
r_xyhbond_nbd_refined	0.119
r_nbtor_other	0.084
r_chiral_restr	0.081
r_metal_ion_refined	0.059
r_symmetry_metal_ion_refined	0.031
r_bond_refined_d	0.009
r_gen_planes_refined	0.005
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3440
Nucleic Acid Atoms
Solvent Atoms	385
Heterogen Atoms	14

Software

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