1AQN

SUBTILISIN MUTANT 8324

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8.7		CRYSTAL WERE GROWN BY VAPOR DIFFUSION OF 10 MG/ML PROTEIN IN 100 MM TRIS-HCL PH 8.7, 40 MM CACL2 AGAINST 20% 2-PROPANOL., vapor diffusion

Crystal Properties
Matthews coefficient	Solvent content
2.04	39.61

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	1987-05-20	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	1.73	99	79.8	0.0634	17.3	2.7		18552		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)
	1.73	1.84	41.4		0.3174	2.9	2.33

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	16735	16735

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	29.5
p_special_tor	13.3
p_staggered_tor	12.2
p_planar_tor	3.5
p_scangle_it	2.579
p_scbond_it	1.797
p_mcangle_it	0.982
p_mcbond_it	0.6
p_chiral_restr	0.217
p_singtor_nbd	0.161
p_xyhbond_nbd	0.141
p_multtor_nbd	0.138
p_planar_d	0.039
p_angle_d	0.029
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	1947
Nucleic Acid Atoms
Solvent Atoms	206
Heterogen Atoms	4

Software

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