5MU0

ACC1 Fab fragment in complex with citrullinated C1 epitope of CII (IA03)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	293	16% (w/v) PEG 8000, 0.1 M Hepes pH 7.0

Crystal Properties
Matthews coefficient	Solvent content
2.43	49

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 87.147	α = 92.75
b = 93.052	β = 106.45
c = 121.751	γ = 104.37

Symmetry
Space Group	P 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 PILATUS 6M		2013-08-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I03	0.9763	Diamond	I03

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	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	2.7	78.15	90.6	0.077	0.077	20.1	2.9		87706			39.4

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.7	2.75	89.7		0.553	0.553	6.1	2.6

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	2OR9	2.7	78.15	82058	4339	89.23	0.25347	0.25212	0.27877	RANDOM	72.461

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]
2.61	-1.02	-0.95	-1.8	2.33	-0.37

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.268
r_dihedral_angle_4_deg	18.636
r_dihedral_angle_3_deg	14.747
r_dihedral_angle_1_deg	6.438
r_long_range_B_refined	3.093
r_long_range_B_other	3.093
r_mcangle_it	1.994
r_mcangle_other	1.994
r_angle_other_deg	1.702
r_scangle_other	1.491
r_angle_refined_deg	1.482
r_mcbond_it	1.138
r_mcbond_other	1.138
r_scbond_it	0.847
r_scbond_other	0.847
r_chiral_restr	0.099
r_bond_refined_d	0.01
r_gen_planes_refined	0.005
r_bond_other_d	0.003
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	26700
Nucleic Acid Atoms
Solvent Atoms	80
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing