2VDK

Re-refinement of Integrin AlphaIIbBeta3 Headpiece

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	277	11% PEG 3350, 0.7 M MAGNESIUM ACETATE, 0.1 M SODIUM CACODYLATE, PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K

Crystal Properties
Matthews coefficient	Solvent content
3.7	66.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 148.869	α = 90
b = 148.869	β = 90
c = 176.137	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	100	CCD	CUSTOM (SBC2 3K)	MIRROR	2003-08-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID		APS	19-ID

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	2.8	50	99.9	0.13	14	7.5		55875

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	2.8	2.9	99.9		0.68	3.1

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 ENTRY 1TXV	2.8	42.64	50725	2713	95.5	0.164	0.161	0.205	RANDOM	17.09

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]
1.21	0.61		1.21		-1.82

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.211
r_dihedral_angle_4_deg	13.472
r_dihedral_angle_3_deg	11.618
r_dihedral_angle_1_deg	5.264
r_mcangle_it	2.222
r_scangle_it	2.093
r_mcbond_it	1.391
r_scbond_it	1.293
r_angle_refined_deg	0.936
r_angle_other_deg	0.758
r_nbd_refined	0.179
r_nbd_other	0.171
r_nbtor_refined	0.171
r_symmetry_vdw_other	0.152
r_symmetry_hbond_refined	0.135
r_xyhbond_nbd_refined	0.124
r_symmetry_vdw_refined	0.112
r_nbtor_other	0.078
r_chiral_restr	0.058
r_bond_refined_d	0.005
r_gen_planes_refined	0.002
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10285
Nucleic Acid Atoms
Solvent Atoms	612
Heterogen Atoms	210

Software

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