4M7G

Streptomyces Erythraeus Trypsin

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.9	298	10 mM calcium chloride, 100 mM HEPES pH 7.0, 2.72 M ammonium sulfate, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.26	45.62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.958	α = 90
b = 61.249	β = 90
c = 74.149	γ = 90

Symmetry
Space Group	P 21 21 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	PIXEL	DECTRIS PILATUS 6M		2012-11-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C		APS	24-ID-C

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	0.79	61.38	99.8				234158

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	0.79	0.83	96.9			5.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	1SGT	0.81	47.22	220874	11678	99.5	0.112	0.109	0.12	RANDOM	12.61

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]
-0.44			0.45		-0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.127
r_sphericity_free	20.091
r_dihedral_angle_3_deg	12.202
r_dihedral_angle_4_deg	10.924
r_sphericity_bonded	9.897
r_dihedral_angle_1_deg	6.671
r_rigid_bond_restr	5.712
r_angle_other_deg	3.099
r_long_range_B_refined	2.983
r_long_range_B_other	2.446
r_scbond_it	2.131
r_scangle_other	2.066
r_angle_refined_deg	2.032
r_scbond_other	1.709
r_mcangle_other	1.513
r_mcangle_it	1.265
r_mcbond_it	1.011
r_mcbond_other	0.94
r_chiral_restr	0.124
r_bond_refined_d	0.02
r_gen_planes_refined	0.011
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1613
Nucleic Acid Atoms
Solvent Atoms	353
Heterogen Atoms

Software

Software
Software Name	Purpose
XDS	data scaling
ARP/wARP	model building
REFMAC	refinement
XDS	data reduction
Aimless	data scaling