1SYT

Crystal structure of signalling protein from goat SPG-40 in the presense of N,N',N''-triacetyl-chitotriose at 2.6A resolution

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1QZO

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.8	298	25mM Tris-HCl, 50mM NACl, 19% ethanol, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
2.8	56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.111	α = 90
b = 66.036	β = 90
c = 107.626	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	298	IMAGE PLATE	MARRESEARCH	MIRROR	2004-01-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU300	1.5414

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	2.6	20	96.1	0.074	11.5	8.7	13563	13563

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	2.6	2.7	98.4		0.376	3.1

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	1QZO	2.6	19.8	13563	12892	671	100	0.18212	0.18143	0.17962	0.21703	RANDOM	35.73

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]
-0.27			-0.02		0.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	19.652
r_scangle_it	4.85
r_scbond_it	2.971
r_dihedral_angle_1_deg	2.605
r_mcangle_it	2.538
r_angle_refined_deg	1.725
r_mcbond_it	1.353
r_angle_other_deg	1.256
r_symmetry_vdw_other	0.26
r_nbd_refined	0.252
r_nbd_other	0.243
r_xyhbond_nbd_other	0.177
r_nbtor_other	0.157
r_xyhbond_nbd_refined	0.143
r_chiral_restr	0.129
r_symmetry_vdw_refined	0.121
r_symmetry_hbond_refined	0.115
r_bond_refined_d	0.019
r_gen_planes_refined	0.007
r_gen_planes_other	0.005
r_bond_other_d	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2874
Nucleic Acid Atoms
Solvent Atoms	204
Heterogen Atoms	39

Software

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