3GOQ

Crystal structure of the Tyr13Met variant of Bacillus subtilis ferrochelatase

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.4	298	25-30 % PEG 2000, 0.2 M MgCl2, 0.1 M TRIS-HCL, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.01	38.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.33	α = 90
b = 49.9	β = 90
c = 118.05	γ = 90

Symmetry
Space Group	P 21 21 21

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	MARMOSAIC 225 mm CCD	mirrors	2005-11-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I911-5	0.97935	MAX II	I911-5

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	1.6	25	97.7	0.102	0.107	13	7.1	37676	37676

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)
	1.6	1.69	93.7		0.418	0.236	4.6	7.3	5739

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	PDB ENTRY 1DOZ	1.6	24.17	35770	35770	1883	100	0.19953	0.19953	0.19775	0.23246	RANDOM	10.409

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]
-0.42			-0.26		0.67

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.564
r_dihedral_angle_4_deg	20.919
r_dihedral_angle_3_deg	12.33
r_dihedral_angle_1_deg	5.071
r_scangle_it	4.229
r_scbond_it	2.559
r_mcangle_it	1.459
r_angle_refined_deg	1.374
r_angle_other_deg	0.889
r_mcbond_it	0.756
r_mcbond_other	0.217
r_chiral_restr	0.081
r_bond_refined_d	0.012
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2464
Nucleic Acid Atoms
Solvent Atoms	172
Heterogen Atoms	2

Software

Software
Software Name	Purpose
REFMAC	refinement
CNS	refinement
MAR345dtb	data collection
XDS	data reduction
XSCALE	data scaling
CNS	phasing