4FC3

Crystal Structure of Human Methaemoglobin Complexed with the Second NEAT Domain of IsdH from Staphylococcus aureus

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	0.2M Sodium formate, 0.1M bis-tris propane, 20% PEG3350, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.17	43.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.041	α = 90
b = 149.581	β = 90
c = 86.265	γ = 90

Symmetry
Space Group	C 2 2 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	ADSC QUANTUM 315r		2011-07-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX2	0.95370	Australian Synchrotron	MX2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.26	50	94.3	0.122	12.5	3.8	19451	19451

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.26	2.3	97		0.573		3.5	984

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3szk	2.26	49.9	19351	19351	993	93.22	0.2209	0.219	0.2561	RANDOM	34.361

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]
0.47			-0.95		0.48

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.394
r_dihedral_angle_3_deg	10.73
r_dihedral_angle_4_deg	7.87
r_dihedral_angle_1_deg	4.394
r_scangle_it	3.033
r_scbond_it	1.855
r_mcangle_it	1.232
r_angle_refined_deg	0.76
r_angle_other_deg	0.738
r_mcbond_it	0.636

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.394
r_dihedral_angle_3_deg	10.73
r_dihedral_angle_4_deg	7.87
r_dihedral_angle_1_deg	4.394
r_scangle_it	3.033
r_scbond_it	1.855
r_mcangle_it	1.232
r_angle_refined_deg	0.76
r_angle_other_deg	0.738
r_mcbond_it	0.636
r_mcbond_other	0.119
r_chiral_restr	0.045
r_bond_refined_d	0.005
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3292
Nucleic Acid Atoms
Solvent Atoms	30
Heterogen Atoms	86

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
Blu-Ice	data collection

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.