2R1Q

Crystal Structure of Iodinated Human Saposin D in Space Group C2221

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.9	291	100 mM BisTris, 2.3 M ammonium sulfate, 100 mM urea, pH 5.9, vapor diffusion, hanging drop, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.59	52.45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 40.465	α = 90
b = 74.879	β = 90
c = 66.791	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	MAR CCD 165 mm	mirrors	2004-04-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1	1.12714	BESSY	14.1

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	2.5	20	98.7	0.104	12.3			3670

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)
	2.5	2.59	97.7		0.546			342

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	2.5	19.35	3657	162	98.7	0.25	0.248	0.278	RANDOM	50.44

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]
0.26			-0.26

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	44.037
r_dihedral_angle_4_deg	39.701
r_dihedral_angle_3_deg	19.006
r_dihedral_angle_1_deg	5.373
r_scangle_it	2.138
r_scbond_it	1.446
r_angle_refined_deg	1.389
r_mcangle_it	0.86
r_mcbond_it	0.447
r_nbtor_refined	0.313
r_symmetry_hbond_refined	0.306
r_symmetry_vdw_refined	0.257
r_nbd_refined	0.243
r_xyhbond_nbd_refined	0.122
r_chiral_restr	0.1
r_bond_refined_d	0.011
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	609
Nucleic Acid Atoms
Solvent Atoms	8
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345dtb	data collection
AMoRE	phasing