1SPP

THE CRYSTAL STRUCTURES OF TWO MEMBERS OF THE SPERMADHESIN FAMILY REVEAL THE FOLDING OF THE CUB DOMAIN

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		PROTEIN WAS CRYSTALLIZED FROM 30% (W/V) PEG 2000, 100 MM AMMONIUM ACETATE, PH 6.5. THE INITIAL PROTEIN CONCENTRATION WAS 15 MG/ML

Crystal Properties
Matthews coefficient	Solvent content
3.21	62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 96.37	α = 90
b = 96.37	β = 90
c = 71.32	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	285	IMAGE PLATE	MARRESEARCH		1995-11-28	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.4	28.94	97	0.057	0.08	7.1	4.1		14809		2	45.2

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)
	2.4	2.5	98.4		0.265	3	4.1

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MIR	THROUGHOUT	2.4	8	14291		97	0.2	0.2	0.19	0.259	RANDOM	31.71

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]

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	28.39
x_scangle_it	3
x_mcangle_it	2.5
x_scbond_it	2.5
x_mcbond_it	2
x_angle_deg	1.657
x_improper_angle_d	1.195
x_bond_d	0.009
x_bond_d_na
x_bond_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1688
Nucleic Acid Atoms
Solvent Atoms	79
Heterogen Atoms

Software

Software
Software Name	Purpose
MOSFLM	data reduction
ROTAVATA	data reduction
CCP4	model building
PROTEIN	model building
X-PLOR	refinement
CCP4	data scaling
CCP4	phasing
PROTEIN	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.