3HC3

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

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3HC0	PDB entry 3HC0

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
3.14	60.77

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.463	α = 90
b = 127.608	β = 90
c = 123.253	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	1.72	50	99.5	0.076				62526	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)
	1.72	1.76	94.3		0.483

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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 3HC0	1.72	24.36	2	62526	59353	3171	99.51	0.15964	0.15807	0.19033	RANDOM	19.787

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]
-0.16			-0.37		0.54

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.906
r_dihedral_angle_4_deg	21.966
r_dihedral_angle_3_deg	12.407
r_dihedral_angle_1_deg	6.427
r_sphericity_free	5.389
r_scangle_it	2.999
r_scbond_it	2.18
r_sphericity_bonded	1.707
r_mcangle_it	1.545
r_angle_refined_deg	1.348
r_rigid_bond_restr	1.082
r_mcbond_it	1.068
r_angle_other_deg	0.832
r_symmetry_hbond_refined	0.515
r_mcbond_other	0.323
r_nbd_refined	0.215
r_nbd_other	0.196
r_symmetry_vdw_other	0.192
r_nbtor_refined	0.175
r_xyhbond_nbd_refined	0.172
r_symmetry_vdw_refined	0.158
r_chiral_restr	0.084
r_nbtor_other	0.084
r_metal_ion_refined	0.084
r_bond_refined_d	0.011
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3346
Nucleic Acid Atoms
Solvent Atoms	423
Heterogen Atoms	14

Software

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