1AD8

COMPLEX OF THROMBIN WITH AND INHIBITOR CONTAINING A NOVEL P1 MOIETY

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
other		THROMBIN-HIRUGEN-PEPTIDE 1A COMPLEX (UNPUBLISHED)

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.3		A DROP WITH 1.62 MG/ML PROTEIN, 0.375 M NACL, 0.09 M PHOSPHATE BUFFER (PH 7.3), 0.5 MM AZIDE, 4.9 MM INHIBITOR AND 15% (W/V) PEG8000 WAS EQUILIBRATED AGAINST 30% (W/V)PEG8000 IN 0.08 M PHOSPHATE BUFFER (PH 7.3), USING A HANGING DROP SETUP., vapor diffusion - hanging drop

Crystal Properties
Matthews coefficient	Solvent content
2.5	51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 70.55	α = 90
b = 72.05	β = 101
c = 73	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	277	IMAGE PLATE	RIGAKU		1995-07-11	M

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

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	2	1000	95.8	0.049	22	2.65		23326

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	2	2.1	94.5		0.315	3.7	2.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROMBIN-HIRUGEN-PEPTIDE 1A COMPLEX (UNPUBLISHED)	2	8	20795		86.8	0.205	0.205		37.1

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
x_dihedral_angle_d	25.4
x_angle_deg	1.8
x_improper_angle_d	1.43
x_bond_d	0.012
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2344
Nucleic Acid Atoms
Solvent Atoms	195
Heterogen Atoms	41

Software

Software
Software Name	Purpose
XDS	data scaling
XSCALE	data scaling
X-PLOR	model building
X-PLOR	refinement
XDS	data reduction
X-PLOR	phasing