2WN3

Crystal structure of Discoidin I from Dictyostelium discoideum in complex with the disaccharide GalNAc beta 1-3 galactose, at 1.6 A resolution.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		100MM HEPES PH7.5, LI2SO4 1.2M, 20% GLYCEROL AS CRYOPROTECTANT

Crystal Properties
Matthews coefficient	Solvent content
2.5	50.77

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 72.58	α = 90
b = 274	β = 90
c = 85.76	γ = 90

Symmetry
Space Group	C 2 2 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 CCD		2009-04-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-2		ESRF	ID23-2

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	1.59	43.73	99.2	0.06	9.8	3.2		114648		2	15.1

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	1.59	1.67	99.1		0.28	2.6	3

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	PDB ENTRY 2W94	1.59	137	108859	5754	98.97	0.15301	0.15159	0.18023	RANDOM	10.576

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]
0.09			-0.98		0.89

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.234
r_dihedral_angle_4_deg	20.231
r_dihedral_angle_3_deg	11.136
r_dihedral_angle_1_deg	7.095
r_scangle_it	3.451
r_scbond_it	2.275
r_angle_refined_deg	1.577
r_mcangle_it	1.475
r_angle_other_deg	0.897
r_mcbond_it	0.872
r_mcbond_other	0.277
r_chiral_restr	0.102
r_bond_refined_d	0.017
r_gen_planes_refined	0.008
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5967
Nucleic Acid Atoms
Solvent Atoms	1121
Heterogen Atoms	131

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing