1X99

X-ray crystal structure of Xerocomus chrysenteron lectin XCL at 1.4 Angstroms resolution, mutated at Q46M, V54M, L58M

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.8	295	ammonium sulfate, MES, zinc chloride, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.3	47

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.153	α = 90
b = 59.153	β = 90
c = 149.663	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	MARRESEARCH		2003-12-05	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA	0.9184, 0.9791	SLS	X06SA

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	1.4	51.3	99.97	0.077	15.6	15.6	60727	60727	2	2	14.2

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	1.4	1.45	100		0.265	7.3	12.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	MAD	THROUGHOUT	1.4	51.3	2	57615	57615	3075	99.97	0.17447	0.17447	0.17378	0.18743	RANDOM	12.845

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]
0.12	0.06		0.12		-0.18

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.237
r_dihedral_angle_4_deg	14.101
r_dihedral_angle_3_deg	13.133
r_dihedral_angle_1_deg	6.07
r_sphericity_free	4.165
r_scangle_it	2.45
r_scbond_it	1.968
r_angle_other_deg	1.736
r_sphericity_bonded	1.591
r_mcangle_it	1.36
r_angle_refined_deg	1.272
r_mcbond_it	1.08
r_rigid_bond_restr	0.932
r_mcbond_other	0.356
r_symmetry_vdw_other	0.2
r_symmetry_hbond_refined	0.198
r_nbd_other	0.185
r_nbd_refined	0.176
r_nbtor_refined	0.173
r_symmetry_vdw_refined	0.169
r_chiral_restr	0.11
r_xyhbond_nbd_refined	0.096
r_nbtor_other	0.085
r_bond_refined_d	0.01
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2218
Nucleic Acid Atoms
Solvent Atoms	164
Heterogen Atoms	37

Software

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