4X4X

Retrofitting antibodies with stabilizing mutations. Herceptin scFv mutant.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.5	293	3.5 M sodium formate, 100 mM sodium acetate (pH 4.5)

Crystal Properties
Matthews coefficient	Solvent content
2.74	55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.19	α = 90
b = 91.19	β = 90
c = 114.35	γ = 120

Symmetry
Space Group	P 31 2 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 315r			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX2	0.954	Australian Synchrotron	MX2

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	2.25	35.65	99.9	0.104	8.5	5		26621			40.6

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	2.25	2.37	100		0.86	1.8	4.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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		THROUGHOUT	2.25	35.65	25257	1329	99.82	0.2283	0.22618	0.26906	RANDOM	44.337

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]
0.63	0.32		0.63		-2.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.619
r_dihedral_angle_4_deg	17.783
r_dihedral_angle_3_deg	16.11
r_dihedral_angle_1_deg	6.842
r_long_range_B_refined	4.271
r_long_range_B_other	4.271
r_mcangle_it	2.707
r_mcangle_other	2.706
r_scangle_other	2.653
r_scbond_it	1.718
r_scbond_other	1.717
r_mcbond_it	1.663
r_mcbond_other	1.663
r_angle_refined_deg	1.451
r_angle_other_deg	0.788
r_chiral_restr	0.083
r_bond_refined_d	0.011
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001
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_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3137
Nucleic Acid Atoms
Solvent Atoms	12
Heterogen Atoms

Software

Software
Software Name	Purpose
Blu-Ice	data collection
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing
REFMAC	refinement