1AK9

SUBTILISIN MUTANT 8321

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	9		CRYSTAL WERE GROWN BY VAPOR DIFFUSION OF 10 MG/ML PROTEIN IN 50 MM GLYCINE PH 9.0 (1 MM EDTA, 25 MM CACL2 OF 50 MM KCL) AGAINST 2-PROPANOL OR ACETONE., vapor diffusion

Crystal Properties
Matthews coefficient	Solvent content
2.03	39.56

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	HUBER MONOCHROMATOR	1987-04-22	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)	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	1.75	10	78.6	0.0548	16.9	2.7		17227		2

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)
	1.75	1.86	55.9		0.3234	1.4

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	31520	14232			0.148

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	29.4
p_staggered_tor	12.4
p_planar_tor	3.5
p_scangle_it	2.551
p_scbond_it	1.757
p_mcangle_it	1.009
p_mcbond_it	0.615
p_chiral_restr	0.203
p_singtor_nbd	0.162
p_xyhbond_nbd	0.145
p_multtor_nbd	0.134
p_planar_d	0.04
p_angle_d	0.03
p_bond_d	0.02
p_plane_restr	0.02
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1950
Nucleic Acid Atoms
Solvent Atoms	198
Heterogen Atoms	11

Software

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