4WHD

Human CEACAM1 N-domain homodimer

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.2	295	PEG 3000, NaCl, Phosphate-Citrate

Crystal Properties
Matthews coefficient	Solvent content
3.86	68.17

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 107.573	α = 90
b = 107.573	β = 90
c = 63.96	γ = 90

Symmetry
Space Group	P 4 21 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	CCD	ADSC QUANTUM 315r		2011-08-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	1.0	APS	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.5	76.07	99	18.63	1.8		13472

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	2.5	76.07	11450	1264	94.21	0.1872	0.1828	0.2259	RANDOM	18.888

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]
-0.47			-0.47		0.94

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.427
r_dihedral_angle_3_deg	16.128
r_dihedral_angle_4_deg	11.743
r_dihedral_angle_1_deg	6.637
r_mcangle_it	2.195
r_angle_refined_deg	1.647
r_angle_other_deg	1.449
r_mcbond_it	1.432
r_mcbond_other	1.422
r_chiral_restr	0.209
r_bond_refined_d	0.011
r_gen_planes_refined	0.006
r_bond_other_d	0.004
r_gen_planes_other	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1691
Nucleic Acid Atoms
Solvent Atoms	137
Heterogen Atoms	147

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction