1ZTK

Crystal Structure of the Catalytic Domain of Coagulation Factor XI in Complex with 2-(5-Amino-6-oxo-2-m-tolyl-6H-pyrimidin-1-yl)-N-[4-guanidino-1-(thiazole-2-carbonyl)-butyl]-acetamide

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	283	ammonium sulfate, Tris-HCl, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 283K

Crystal Properties
Matthews coefficient	Solvent content
2.4	48.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 121.791	α = 90
b = 121.791	β = 90
c = 121.791	γ = 90

Symmetry
Space Group	I 2 3

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	123	IMAGE PLATE	RIGAKU RAXIS IV++	Blue Osmic Mirrors	2004-06-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH3R	1.5418

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	2.5	28.71	99.9	0.077	20.9	3.1	10544	10544			35.1

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)
	2.5	2.59	100		0.358	4.9		1044

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-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	PDB entry 1ZHR	2.5	28.71	10325	1066	97.9	0.215	0.24	RANDOM	32.8

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		0.89

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	24.7
c_scangle_it	2.78
c_mcangle_it	2.13
c_scbond_it	1.84
c_angle_deg	1.3
c_mcbond_it	1.25
c_improper_angle_d	0.65
c_bond_d	0.007
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1879
Nucleic Acid Atoms
Solvent Atoms	58
Heterogen Atoms	44

Software

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