6AW1

Crystal structure of CEACAM3

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	298	1.0M Ammonium Sulphate, 1% PEG 3350, 0.1M Bis Tris pH 5.5

Crystal Properties
Matthews coefficient	Solvent content
3.56	65.41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 94.433	α = 90
b = 94.433	β = 90
c = 153.707	γ = 90

Symmetry
Space Group	I 41 2 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	PIXEL	DECTRIS PILATUS 6M	Flat Si Rh coated M0	2015-01-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL12-2	0.979500	SSRL	BL12-2

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	2.1	80.46	98.9	0.057	0.041	16.7	5		20361

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	2.1	2.16	99.3		1.022	0.748	1.8	5.1	1645

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	2QSQ	2.1	80.46	19328	1020	98.39	0.20622	0.20529	0.22302	RANDOM	54.236

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]
1.26			1.26		-2.51

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.181
r_dihedral_angle_3_deg	15.339
r_dihedral_angle_4_deg	11.58
r_dihedral_angle_1_deg	6.629
r_long_range_B_refined	4.953
r_long_range_B_other	4.952
r_angle_refined_deg	1.521
r_mcangle_it	1.163
r_mcangle_other	1.162
r_scangle_other	1.114
r_angle_other_deg	0.916
r_mcbond_it	0.687
r_mcbond_other	0.687
r_scbond_it	0.681
r_scbond_other	0.681
r_chiral_restr	0.084
r_bond_refined_d	0.012
r_gen_planes_refined	0.006
r_bond_other_d	0.002
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	1684
Nucleic Acid Atoms
Solvent Atoms	66
Heterogen Atoms	37

Software

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