1A2Q

SUBTILISIN BPN' MUTANT 7186

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	6.5		CRYSTAL WERE GROWN BY VAPOR DIFFUSION OF 10 MG/ML PROTEIN IN 50 MM MES PH 6.5, 25 MM CACL2 AGAINST 55% ACETONE., vapor diffusion

Crystal Properties
Matthews coefficient	Solvent content
2.02	39.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.64	α = 90
b = 79.45	β = 114.53
c = 37.26	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	290	AREA DETECTOR	SIEMENS	COLLIMATOR	1987-01-31	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ELLIOTT GX-21

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	1.75						14470

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	DIFFERENCE MAP	1.8	10	2	14470	13002			0.145

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
p_transverse_tor	31.5
p_special_tor	13.2
p_staggered_tor	11.8
p_planar_tor	3.4
p_scangle_it	2.019
p_scbond_it	1.309
p_mcangle_it	1.087
p_mcbond_it	0.646
p_chiral_restr	0.191
p_singtor_nbd	0.16
p_multtor_nbd	0.127
p_xyhbond_nbd	0.127
p_planar_d	0.036
p_angle_d	0.03
p_bond_d	0.019
p_plane_restr	0.019
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1937
Nucleic Acid Atoms
Solvent Atoms	200
Heterogen Atoms	10

Software

Software
Software Name	Purpose
XENGEN	data collection
XENGEN	data reduction
PROLSQ/PROFFT	model building
PROFFT	refinement
PROLSQ	refinement
XENGEN	data scaling