2HRL

Siglec-7 in complex with GT1b

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	200mM sodium acetate, 100mM sodium cacodylate, 30 % w/v PEG 8000, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.22	44.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.021	α = 90
b = 46.021	β = 90
c = 106.474	γ = 120

Symmetry
Space Group	P 32 2 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	CCD	ADSC QUANTUM 4		2004-04-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.9756	ESRF	ID14-4

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	1.85	15	98.3	0.073	25.5	3.6		11626	2	2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.85	1.92	98.4		0.52	2.3	2.3	11626

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1O7V	1.85	15	11626	11045	551	99.35	0.196	0.19678	0.19505	0.23447	RANDOM	24.459

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]
-0.96	-0.48		-0.96		1.43

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.613
r_scangle_it	2.573
r_mcangle_it	2.112
r_scbond_it	2.057
r_angle_refined_deg	1.486
r_mcbond_it	1.331
r_symmetry_hbond_refined	0.192
r_symmetry_vdw_refined	0.191
r_nbd_refined	0.189
r_xyhbond_nbd_refined	0.173
r_chiral_restr	0.093
r_bond_refined_d	0.011
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	933
Nucleic Acid Atoms
Solvent Atoms	60
Heterogen Atoms	96

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing