3L7F

Structure of IL-13 antibody H2L6, A humanized variant OF C836

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	0.1 M MES PH 6.5, 5% PEG 4K, 38% MPD; CRYO CONDITIONS: 0.1 M MES PH 6.5, 5% PEG 4K, 40% MPD, 15% GLYCEROL, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.26	62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 69.64	α = 90
b = 228.16	β = 90
c = 234	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	120	CCD	RIGAKU SATURN 944	VARIMAX HF	2008-01-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.5418

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	2.6	66.6	97.1	0.087	9.6	7	56212	56212		-3	56.8

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)
	2.6	2.69	92.8		0.42	2.3	4.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3L5X	2.6	15	53577	53577	2269	93	0.20667	0.20667	0.20514	0.24264	RANDOM	52.7

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]
-0.03			0.05		-0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.114
r_dihedral_angle_4_deg	22.683
r_scangle_it	19.22
r_scbond_it	18.788
r_dihedral_angle_3_deg	18.076
r_dihedral_angle_1_deg	6.823
r_mcangle_it	5.156
r_mcbond_it	2.933
r_angle_refined_deg	1.352
r_nbtor_refined	0.305
r_symmetry_hbond_refined	0.221
r_symmetry_vdw_refined	0.217
r_nbd_refined	0.213
r_xyhbond_nbd_refined	0.143
r_chiral_restr	0.087
r_bond_refined_d	0.01
r_gen_planes_refined

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9959
Nucleic Acid Atoms
Solvent Atoms	223
Heterogen Atoms	16

Software

Software
Software Name	Purpose
CrystalClear	data collection
MOLREP	phasing
REFMAC	refinement
d*TREK	data reduction
d*TREK	data scaling