6RPJ

A Non-blocking anti-CTLA-4 Nanobody complexed with CTLA-4

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	PEG400

Crystal Properties
Matthews coefficient	Solvent content
4.61	73.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 309.977	α = 90
b = 75.708	β = 100.05
c = 83.047	γ = 90

Symmetry
Space Group	C 1 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	PIXEL	DECTRIS PILATUS3 R 300K		2016-11-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL18U1	0.97915	SSRF	BL18U1

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	3.25	50	100	0.146	8	4.7		30159

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	3.25	3.37	99.9		0.718	3	4.5

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	MOLECULAR REPLACEMENT	THROUGHOUT	3.25	47.57	27487	1455	95.28	0.2495	0.24889	0.26155	RANDOM	89.735

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]
-3.74		-3.42	1.28		3.46

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	27.687
r_dihedral_angle_1_deg	15.711
r_dihedral_angle_3_deg	13.364
r_dihedral_angle_4_deg	10.112
r_long_range_B_refined	3.422
r_long_range_B_other	3.421
r_mcangle_it	2.138
r_mcangle_other	2.137
r_scangle_other	1.431
r_angle_refined_deg	1.197
r_mcbond_it	1.119
r_mcbond_other	1.119
r_angle_other_deg	1.05
r_scbond_it	0.696
r_scbond_other	0.696
r_chiral_restr	0.028
r_bond_refined_d	0.002
r_gen_planes_refined	0.002
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	7271
Nucleic Acid Atoms
Solvent Atoms	2
Heterogen Atoms	130

Software

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