1A4W

CRYSTAL STRUCTURES OF THROMBIN WITH THIAZOLE-CONTAINING INHIBITORS: PROBES OF THE S1' BINDING SITE

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	vapor diffusion - hanging drop and macroseeding	7.3		0.1 M SODIUM PHOSPHATE BUFFER AT PH 7.3, 27-28% PEG 8000; HANGING DROPS WITH MACROSEEDING, vapor diffusion - hanging drop and macroseeding

Crystal Properties
Matthews coefficient	Solvent content
2.4	51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 71.47	α = 90
b = 72	β = 101.13
c = 73.39	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	298	IMAGE PLATE	RIGAKU RAXIS II	COLLIMATOR	1994-03-15	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

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	44.2	69.5	0.052	12	2.2		23968		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)
1	1.8	2	48		0.165	2.61

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	PREVIOUS STRUCTURE	PDB ENTRY 1FPC	1.8	7	4	19906		65	0.155		26

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]

RMS Deviations
Key	Refinement Restraint Deviation
p_transverse_tor	30
p_staggered_tor	20
p_scangle_it	4.1
p_planar_tor	4
p_scbond_it	2.8
p_mcangle_it	1.8
p_mcbond_it	1.1
p_xyhbond_nbd	0.25
p_chiral_restr	0.21
p_multtor_nbd	0.21
p_singtor_nbd	0.19
p_planar_d	0.051
p_angle_d	0.042
p_plane_restr	0.032
p_bond_d	0.016
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2238
Nucleic Acid Atoms
Solvent Atoms	157
Heterogen Atoms	44

Software

Software
Software Name	Purpose
R-AXIS	data collection
R-AXIS	data reduction
PROFFT	refinement
R-AXIS	data scaling