1A0H

THE X-RAY CRYSTAL STRUCTURE OF PPACK-MEIZOTHROMBIN DESF1: KRINGLE/THROMBIN AND CARBOHYDRATE/KRINGLE/THROMBIN INTERACTIONS AND LOCATION OF THE LINKER CHAIN

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		Thrombin

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8		17 MG/ML PROTEIN, 2% PEG4000, .25 M AMMONIUM PHOSPHATE, PH 8.0, 33% SATURATED AMMONIUM SULFATE

Crystal Properties
Matthews coefficient	Solvent content
5.4	76

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 186.15	α = 90
b = 186.15	β = 90
c = 120.29	γ = 90

Symmetry
Space Group	P 41 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	273	AREA DETECTOR	SIEMENS	0.3 MM COLLIMATOR	1996-03-01	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)	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	3.2	42.3	88	0.12	0.12	5.7			31648		0.5

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	3.2	3.3	60		0.19	0.19	1.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	MOLECULAR REPLACEMENT	THROUGHOUT	THROMBIN	3.2	7	1	30519		84	0.205	0.205	0.242	RANDOM

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]

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6698
Nucleic Acid Atoms
Solvent Atoms	87
Heterogen Atoms	116

Software

Software
Software Name	Purpose
XENGEN	data collection
SCALEK	data reduction
X-PLOR	model building
X-PLOR	refinement
XENGEN	data reduction
SCALEK	data scaling
X-PLOR	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.