1XTL

Crystal structure of P104H mutant of SOD-like protein from Bacillus subtilis.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6	298	0.1M Na Acetate, 20% PEG4000, 0.1M Ammonium Sulphate, 10mM ZnCl2, pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.4	47

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.147	α = 78.24
b = 56.586	β = 89.91
c = 59.118	γ = 85.47

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARRESEARCH	Double crystal focussing mono chromator	2004-01-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE BW7A	1.37110	EMBL/DESY, HAMBURG	BW7A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2	38.958	94.2	0.067	0.067	6.9	3	41966	41966			28.733

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.11	92.2		0.244	0.244	2.5	3	5985

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	1S4I	2	38.92	38482	38482	3477	100	0.23739	0.23739	0.23186	0.29919	RANDOM	26.755

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]
-0.39	0.02	-0.96	3.01	-0.76	-2.31

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.144
r_dihedral_angle_3_deg	20.703
r_dihedral_angle_4_deg	19.316
r_sphericity_free	11.2
r_dihedral_angle_1_deg	10.658
r_scangle_it	4.975
r_scbond_it	3.592
r_angle_refined_deg	2.725
r_mcangle_it	2.062
r_mcbond_it	1.407
r_nbtor_refined	0.304
r_symmetry_hbond_refined	0.286
r_symmetry_vdw_refined	0.285
r_nbd_refined	0.232
r_chiral_restr	0.213
r_xyhbond_nbd_refined	0.202
r_metal_ion_refined	0.124
r_bond_refined_d	0.03
r_gen_planes_refined	0.012

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4544
Nucleic Acid Atoms
Solvent Atoms	307
Heterogen Atoms	14

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling
MOLREP	phasing