1SHU

Crystal Structure of the von Willebrand factor A domain of human capillary morphogenesis protein 2: an anthrax toxin receptor

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1SHT

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	PEG3350, magnesium chloride, bis-tris, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.35	47.22

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.419	α = 90
b = 57.419	β = 90
c = 111.459	γ = 90

Symmetry
Space Group	P 41 21 2

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 4		2003-10-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CHESS BEAMLINE F1	0.9186	CHESS	F1

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	1.5	28.75	98.2	0.045	33.3	7.1	30193	30193			16.4

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)
	1.5	1.55	90.5		0.174	7.7	4.2	2728

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	1SHT	1.5	28.75	28635	28635	1492	100	0.1881	0.1881	0.18668	0.21549	RANDOM	16.871

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]
0.44			0.44		-0.87

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.073
r_sphericity_free	4.153
r_scangle_it	3.944
r_sphericity_bonded	2.984
r_scbond_it	2.543
r_mcangle_it	2.174
r_rigid_bond_restr	1.514
r_angle_refined_deg	1.465
r_mcbond_it	1.378
r_angle_other_deg	0.846
r_symmetry_vdw_other	0.349
r_nbd_other	0.244
r_nbd_refined	0.207
r_symmetry_vdw_refined	0.19
r_symmetry_hbond_refined	0.145
r_xyhbond_nbd_refined	0.123
r_chiral_restr	0.086
r_nbtor_other	0.079
r_gen_planes_other	0.015
r_bond_refined_d	0.014
r_gen_planes_refined	0.011
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1396
Nucleic Acid Atoms
Solvent Atoms	154
Heterogen Atoms	1

Software

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