Experiment: 3QWC

Thrombin Inhibition by Pyridin Derivatives

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1H8D

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	277.15	15% PEG8000, 20mM sodium phosphate, 175mM sodium chloride, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277.15K

Crystal Properties
Matthews coefficient	Solvent content
2.54	51.53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 70.6	α = 90
b = 71.5	β = 100.6
c = 72.7	γ = 90

Symmetry
Space Group	C 1 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	RAYONIX MX-225	Collimating mirror	2008-04-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.2	0.91841	BESSY	14.2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.75	30	96.1	0.055	14.7	2.2	34739	34739

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.75	1.78	98.4		0.407	2.5	2.1	1776

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	Free R	1H8D	1.75	24.899	34550	32908	1642	91.67	0.1556	0.1556	0.1543	0.1518	0.179	0.1772	Random	25.0303

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]
2.7368		-3.5226	-2.9661		0.2293

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	17.25
f_angle_d	1.07
f_chiral_restr	0.075
f_bond_d	0.01
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2348
Nucleic Acid Atoms
Solvent Atoms	259
Heterogen Atoms	50

Software

Software
Software Name	Purpose
MAR345dtb	data collection
PHASER	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling