2J4I

CRYSTAL STRUCTURE OF A HUMAN FACTOR XA INHIBITOR COMPLEX

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.85		18% PEG6K, 50MM MES PH 5.85, 5MM CACL2, 50MM NACL

Crystal Properties
Matthews coefficient	Solvent content
2.35	47.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 56.862	α = 90
b = 72.862	β = 90
c = 78.142	γ = 90

Symmetry
Space Group	P 21 21 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	ADSC CCD	MIRRORS	2002-07-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4		ESRF	ID14-4

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	1.8	25	99.8	0.06	26	4.8		147052

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	1.8	1.83	99.3		0.29	4.6

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	FOURIER SYNTHESIS	THROUGHOUT	PDB ENTRY 1EZQ	1.8	20	29094	1546	100	0.192	0.189	0.234	RANDOM	31.55

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]
-0.39			-1.31		1.7

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	28.891
r_dihedral_angle_4_deg	17.156
r_dihedral_angle_3_deg	11.131
r_scangle_it	6.119
r_dihedral_angle_1_deg	4.595
r_scbond_it	4.205
r_mcangle_it	2.998
r_mcbond_it	1.889
r_angle_refined_deg	1.627
r_nbtor_refined	0.312
r_nbd_refined	0.2
r_symmetry_vdw_refined	0.194
r_xyhbond_nbd_refined	0.169
r_chiral_restr	0.122
r_symmetry_hbond_refined	0.11
r_bond_refined_d	0.016
r_gen_planes_refined	0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_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	2213
Nucleic Acid Atoms
Solvent Atoms	207
Heterogen Atoms	37

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling