4WTZ

Human CEACAM6-CEACAM8 N-domain heterodimer complex

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	295	PEG 2000 MME, NiSO4, Tris-HCl

Crystal Properties
Matthews coefficient	Solvent content
2.65	53.53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 109.146	α = 90
b = 113.582	β = 90
c = 123.151	γ = 90

Symmetry
Space Group	P 21 21 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 315r		2014-04-14	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	2.52	83.49	100	17.8	6.7		52367

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	4WHC	2.52	83.49	50295	1998	99.92	0.2064	0.2053	0.2341	RANDOM	29.103

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]
0.04			-0.41		0.37

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.639
r_dihedral_angle_4_deg	22.671
r_dihedral_angle_3_deg	15.542
r_dihedral_angle_1_deg	7.295
r_angle_other_deg	2.254
r_angle_refined_deg	2.046
r_mcangle_it	1.441
r_mcbond_it	0.863
r_mcbond_other	0.863
r_chiral_restr	0.128

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.639
r_dihedral_angle_4_deg	22.671
r_dihedral_angle_3_deg	15.542
r_dihedral_angle_1_deg	7.295
r_angle_other_deg	2.254
r_angle_refined_deg	2.046
r_mcangle_it	1.441
r_mcbond_it	0.863
r_mcbond_other	0.863
r_chiral_restr	0.128
r_bond_refined_d	0.017
r_bond_other_d	0.013
r_gen_planes_refined	0.011
r_gen_planes_other	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10178
Nucleic Acid Atoms
Solvent Atoms	194
Heterogen Atoms	3

Software

Software
Software Name	Purpose
REFMAC	refinement
d*TREK	data reduction
PDB_EXTRACT	data extraction
DENZO	data reduction
SCALEPACK	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.