2UUX

Structure of the tryptase inhibitor TdPI from a tick

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				2.4 M AMMONIUM SULFATE 0.1 M TRIS-HCL, PH 8 20% MPD

Crystal Properties
Matthews coefficient	Solvent content
1.58	35.56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.676	α = 90
b = 28.594	β = 90
c = 30.11	γ = 90

Symmetry
Space Group	P 21 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	100	CCD	MARRESEARCH			M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14		ESRF	BM14

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	1.4	20	91	0.03	21	8.8		10942		1.5

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	1.4	1.5	72		0.62	1.6	4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	MAD	THROUGHOUT	1.4	19.57	8454	451	96.8	0.171	0.168	0.224	RANDOM	13.35

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]
-0.47			-0.05		0.53

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.288
r_dihedral_angle_3_deg	12.756
r_dihedral_angle_4_deg	10.337
r_dihedral_angle_1_deg	6.58
r_scangle_it	3.898
r_scbond_it	3.568
r_mcangle_it	2.611
r_mcbond_it	2.124
r_angle_refined_deg	1.671
r_angle_other_deg	0.947
r_symmetry_vdw_refined	0.273
r_symmetry_vdw_other	0.263
r_nbd_refined	0.232
r_nbtor_refined	0.199
r_nbd_other	0.197
r_symmetry_hbond_refined	0.159
r_xyhbond_nbd_refined	0.158
r_chiral_restr	0.096
r_nbtor_other	0.082
r_bond_refined_d	0.017
r_gen_planes_refined	0.007
r_bond_other_d	0.003
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	415
Nucleic Acid Atoms
Solvent Atoms	78
Heterogen Atoms	10

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
SHELX	phasing