4MJ4

Human iduronidase apo structure P21 form

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	298	0.2 M magnesium chloride, 0.1 M HEPES, pH 7.5, 25% PEG3350, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.07	40.46

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.335	α = 90
b = 70.507	β = 92.1
c = 67.303	γ = 90

Symmetry
Space Group	P 1 21 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	RAYONIX MX-300	vertical focusing mirror: ultra-low expansion titanium silicate flat mirror with Pt, uncoated, and Pd strips	2013-02-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CLSI BEAMLINE 08ID-1	0.97949	CLSI	08ID-1

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	2.172	48.71	97.7	0.123	8.35	3.5	29807	28850		-3

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	2.172	2.26	88.9		0.718	1.71	2.8

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 4MJ2	2.172	48.71	29807	28850	1536	96.79	0.20345	0.20345	0.20144	0.23952	RANDOM	37.707

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]
2.08		1.36	-1.68		-0.45

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.464
r_dihedral_angle_4_deg	17.083
r_dihedral_angle_3_deg	14.093
r_dihedral_angle_1_deg	5.537
r_long_range_B_refined	3.483
r_angle_refined_deg	1.005
r_mcangle_it	0.803
r_scbond_it	0.601
r_mcbond_it	0.449
r_chiral_restr	0.064
r_bond_refined_d	0.005
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4790
Nucleic Acid Atoms
Solvent Atoms	116
Heterogen Atoms	108

Software

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