1SMO

Crystal Structure of Human Triggering Receptor Expressed on Myeloid Cells 1 (TREM-1) at 1.47 .

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.3	277	PEG 4000, Sodium Tartrate, pH 6.3, VAPOR DIFFUSION, SITTING DROP, temperature 277K, pH 6.30

Crystal Properties
Matthews coefficient	Solvent content
3.24	61.74

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 110.937	α = 90
b = 110.937	β = 90
c = 46.835	γ = 120

Symmetry
Space Group	P 61

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	118	CCD	ADSC QUANTUM 4	SINGLE CRYSTAL, CYLINDRICALLY BENT, SI(220), A FRONT END, VERTICALLY COLLIMATING PREMIRROR, DOUBLE-CRYSTAL SILICON (111) MONOCHROMATOR WITH A FIXED-HEIGHT EXIT BEAM, TOROIDAL FOCUSING MIRROR	2003-06-07	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.1	1.0000, 0.9795, 0.9797, 0.9537	ALS	5.0.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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
1,2	1.47	22.03	96.7	0.057	46.3	4.2		55408		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1,2	1.47	1.51			0.452	3	2.9

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-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.47	22.03	52572	2798		0.193	0.206	RANDOM	18.5

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]
-0.18	-0.09		-0.18		0.27

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.414
r_scangle_it	3.748
r_scbond_it	2.324
r_mcangle_it	1.552
r_angle_refined_deg	1.545
r_mcbond_it	0.824
r_angle_other_deg	0.812
r_symmetry_vdw_other	0.333
r_nbd_other	0.25
r_symmetry_vdw_refined	0.217
r_nbd_refined	0.213
r_xyhbond_nbd_refined	0.125
r_chiral_restr	0.098
r_symmetry_hbond_refined	0.081
r_nbtor_other	0.08
r_bond_refined_d	0.011
r_gen_planes_refined	0.006
r_gen_planes_other	0.004
r_bond_other_d	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1824
Nucleic Acid Atoms
Solvent Atoms	175
Heterogen Atoms	10

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SOLVE	phasing
RESOLVE	phasing