5KVL

Humanized 10G4 anti-leukotriene C4 antibody Fab fragment in complex with leukotriene C4

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	293	0.15 M zinc acetate dihydrate; 20% PEG 3350; microseeds (grown in 0.2 M ammonium sulfate; 0.1 M sodium cacodylate trihydrate pH 6.5; 30% PEG 8000)

Crystal Properties
Matthews coefficient	Solvent content
2.1	41.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.88	α = 90
b = 41.631	β = 104.69
c = 93.126	γ = 90

Symmetry
Space Group	P 1 21 1

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	ADSC QUANTUM 315		2015-03-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.2	0.97940	ALS	5.0.2

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	1.74	100	99.9	0.067	17.8	3.7		39552

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.75	1.78	99.5		0.105	0.985	10.9	3.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	3I9G	1.74	90.08	37557	1983	99.62	0.19169	0.19015	0.22037	RANDOM	18.65

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]
-1.03		-0.31	-0.19		1.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.912
r_dihedral_angle_3_deg	11.921
r_dihedral_angle_4_deg	11.912
r_dihedral_angle_1_deg	6.229
r_scangle_it	1.778
r_angle_refined_deg	1.069
r_scbond_it	1.023
r_mcangle_it	0.721
r_mcbond_it	0.367
r_chiral_restr	0.063
r_bond_refined_d	0.006
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_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	3255
Nucleic Acid Atoms
Solvent Atoms	363
Heterogen Atoms	68

Software

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