3NFS

Crystal structure the Fab fragment of therapeutic antibody daclizumab

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	0.1M HEPES, 0.1M ammonium sulfate, 2% PEG 400, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.56	52.03

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.866	α = 90
b = 67.866	β = 90
c = 205.607	γ = 90

Symmetry
Space Group	P 41 21 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	IMAGE PLATE	RIGAKU RAXIS IV		2008-12-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	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	20	98.3	0.14	3.8	11.4		15582

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	2.6	2.69	98.3		0.341	1.9	10.7	1490

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	PDB ENTRY 3GIZ	2.6	20	15305	777	98.22	0.227	0.225	0.275	RANDOM	48.78

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]
-0.82			-0.82		1.65

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.558
r_dihedral_angle_4_deg	22.388
r_dihedral_angle_3_deg	18.208
r_dihedral_angle_1_deg	6.351
r_scangle_it	3.202
r_scbond_it	2.258
r_mcangle_it	2.21
r_rigid_bond_restr	2.138
r_sphericity_free	1.993
r_mcbond_it	1.299
r_angle_refined_deg	1.242
r_sphericity_bonded	0.877
r_nbtor_refined	0.3
r_symmetry_vdw_refined	0.244
r_nbd_refined	0.212
r_xyhbond_nbd_refined	0.137
r_chiral_restr	0.081
r_symmetry_hbond_refined	0.075
r_bond_refined_d	0.008
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3203
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
CrystalClear	data collection
CrystalClear	data reduction
CrystalClear	data scaling
CNS	phasing