3MU3

Crystal structure of chicken MD-1 complexed with lipid IVa

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6	296	17% PEG 2000, 100mM MES pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 296K

Crystal Properties
Matthews coefficient	Solvent content
2.29	46.19

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 39.465	α = 90
b = 78.15	β = 90
c = 101.236	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	100	CCD	ADSC QUANTUM 315	KOHZU: Double Crystal Si(111)	2008-10-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.2	1.0333	ALS	8.2.2

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	2.4	20	98.2	0.044		4.4		12503

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)
	2.4	2.49			0.371	6.6	4.3	1213

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 ID, 3MTX	2.4	20	11843	612	97.6	0.23388	0.23213	0.26703	RANDOM	32.058

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]
-1.74			3.89		-2.15

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	28.897
r_dihedral_angle_3_deg	20.323
r_dihedral_angle_4_deg	18.564
r_dihedral_angle_1_deg	10.911
r_scangle_it	5.75
r_scbond_it	4.087
r_mcangle_it	2.472
r_angle_refined_deg	1.686
r_mcbond_it	1.543
r_angle_other_deg	0.992
r_mcbond_other	0.506
r_chiral_restr	0.112
r_bond_refined_d	0.017
r_gen_planes_refined	0.017
r_gen_planes_other	0.006
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2181
Nucleic Acid Atoms
Solvent Atoms	95
Heterogen Atoms	204

Software

Software
Software Name	Purpose
HKL-2000	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling