1SH7

Crystal structure of a cold adapted subtilisin-like serine proteinase

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	293	PEC 4000, isopropanol, HEPES, pH 8, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.96	36.78

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.212	α = 90
b = 36.881	β = 97.8
c = 140.488	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	200	CCD	MAR CCD 165 mm		2004-01-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE BW7A	1.0092	EMBL/DESY, Hamburg	BW7A

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	1.81	40		0.067	12	3.6	37883	37883

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	1.81	1.87	100		0.496			2031

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.84	30	34113	3767	97.18	0.16	0.14632	0.14082	0.19659	RANDOM	11.925

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]
0.73		0.56	-0.1		-0.48

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.859
r_scangle_it	3.346
r_scbond_it	2.235
r_angle_refined_deg	1.521
r_angle_other_deg	1.294
r_mcangle_it	1.27
r_mcbond_it	0.761
r_nbd_other	0.252
r_symmetry_vdw_other	0.222
r_nbd_refined	0.216
r_symmetry_hbond_refined	0.191
r_symmetry_vdw_refined	0.161
r_xyhbond_nbd_refined	0.158
r_chiral_restr	0.105
r_nbtor_other	0.087
r_metal_ion_refined	0.082
r_bond_refined_d	0.014
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3990
Nucleic Acid Atoms
Solvent Atoms	593
Heterogen Atoms	26

Software

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