2PW8

Crystal structure of sulfo-hirudin complexed to thrombin

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	298	0.1M Tris, 20% PEG2K, 0.01M Nickel Chloride. , pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.44	49.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.074	α = 90
b = 103.567	β = 90
c = 139.184	γ = 90

Symmetry
Space Group	C 2 2 21

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	ADSC QUANTUM 4		2007-04-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.1	1.00	ALS	5.0.1

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	1.84	47.95	95.75	0.099	282	4.6	34309	32851		5

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)
	1.84	1.91	94.6		0.645	10.5	3.5	3165

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	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	4HTC	1.84	47.95	2	34309	32851	1649	95.75	0.177	0.175	0.233	RANDOM	34.397

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]
0.03			-0.43		0.4

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.292
r_dihedral_angle_4_deg	17.902
r_dihedral_angle_3_deg	17.347
r_dihedral_angle_1_deg	6.194
r_scangle_it	5.146
r_scbond_it	3.857
r_mcangle_it	2.443
r_angle_refined_deg	1.643
r_mcbond_it	1.615
r_nbtor_refined	0.316
r_xyhbond_nbd_refined	0.237
r_nbd_refined	0.219
r_symmetry_vdw_refined	0.187
r_chiral_restr	0.151
r_symmetry_hbond_refined	0.133
r_metal_ion_refined	0.023
r_bond_refined_d	0.016
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2779
Nucleic Acid Atoms
Solvent Atoms	221
Heterogen Atoms	2

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
HKL-2000	data reduction
SCALEPACK	data scaling
AMoRE	phasing