1WU1

Factor Xa in complex with the inhibitor 4-[(5-chloroindol-2-yl)sulfonyl]-2-(2-methylpropyl)-1-[[5-(pyridin-4-yl) pyrimidin-2-yl]carbonyl]piperazine

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5	293	PEG6000, NaAcetate, pH 5.00, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.2	44.21

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 56.569	α = 90
b = 72.487	β = 90
c = 79.02	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	293	IMAGE PLATE	RIGAKU RAXIS IIC		1999-04-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200	1.542

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	2.3	39.51	90.6	0.064	0.338	11.7	2.9		13656

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.3	2.38	84.3		0.338	0.338	2.89	2.89

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	RIGID BODY REFINEMENT	THROUGHOUT	1FAX	2.3	25	12933	697	100	0.1913	0.18871	0.23535	RANDOM	45.3

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]
0.31			-1.7		1.39

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.164
r_dihedral_angle_4_deg	30.158
r_dihedral_angle_3_deg	18.214
r_dihedral_angle_1_deg	7.279
r_scangle_it	3.961
r_mcangle_it	3.175
r_scbond_it	2.648
r_angle_refined_deg	2.116
r_mcbond_it	1.93
r_nbtor_refined	0.328
r_nbd_refined	0.25
r_metal_ion_refined	0.215
r_symmetry_vdw_refined	0.211
r_xyhbond_nbd_refined	0.183
r_symmetry_hbond_refined	0.149
r_chiral_restr	0.13
r_bond_refined_d	0.022
r_gen_planes_refined	0.008
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_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2155
Nucleic Acid Atoms
Solvent Atoms	76
Heterogen Atoms	35

Software

Software
Software Name	Purpose
d*TREK	data scaling
d*TREK	data reduction
REFMAC	refinement