3S35

Structural basis for the function of two anti-VEGF receptor antibodies

X-RAY DIFFRACTION

---

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1VL5	PDB ENTRY 1VL5

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6	298	100 mM CdCl2, 100 mM Na acetate, pH 4.6, 30% PEG 400, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.84	56.76

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.937	α = 90
b = 112.13	β = 90
c = 156.971	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	100	CCD	ADSC QUANTUM 4		2009-08-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID	1.00	APS	31-ID

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	2.2	40	98.2	0.124	13.7	7.2	35617	34976		-3

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	2.2	2.32	97.7		0.619	3.2	7.3

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1VL5	2.2	33.79	35710	33185	1790	97.94	0.20623	0.20338	0.25943	RANDOM	22.485

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]
0.31			0.67		-0.99

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.143
r_dihedral_angle_3_deg	16.53
r_dihedral_angle_4_deg	16.229
r_dihedral_angle_1_deg	6.973
r_scangle_it	2.614
r_scbond_it	1.705
r_angle_refined_deg	1.495
r_mcangle_it	1.024
r_mcbond_it	0.655
r_metal_ion_refined	0.542
r_nbtor_refined	0.297
r_symmetry_vdw_refined	0.251
r_symmetry_hbond_refined	0.235
r_nbd_refined	0.198
r_xyhbond_nbd_refined	0.181
r_symmetry_metal_ion_refined	0.093
r_chiral_restr	0.092
r_bond_refined_d	0.013
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4187
Nucleic Acid Atoms
Solvent Atoms	375
Heterogen Atoms	48

Software

Software
Software Name	Purpose
APS	data collection
PHASER	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling