2ITF

Crystal structure IsdA NEAT domain from Staphylococcus aureus with heme bound

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	293	30% PEG 6000, 0.2M Ammonium Sulphate, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.73	54.99

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 56.089	α = 90
b = 58.533	β = 93.28
c = 95.584	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	100	CCD	ADSC QUANTUM 315		2006-02-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL1-5		SSRL	BL1-5

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	1.9	50	98.4	0.09	10.7	5.5		48634

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)
	1.9	1.97	96		0.291		3	4721

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.9	50	48138	2428	98.25	0.173	0.171	0.213	RANDOM	19.536

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]
0.29		0.68	-0.61		0.4

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.678
r_dihedral_angle_4_deg	16.826
r_dihedral_angle_3_deg	13.908
r_dihedral_angle_1_deg	6.398
r_scangle_it	3.396
r_scbond_it	2.264
r_angle_refined_deg	1.571
r_mcangle_it	1.483
r_mcbond_it	0.95
r_nbtor_refined	0.3
r_symmetry_hbond_refined	0.253
r_nbd_refined	0.203
r_xyhbond_nbd_refined	0.162
r_symmetry_vdw_refined	0.161
r_chiral_restr	0.1
r_bond_refined_d	0.013
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3975
Nucleic Acid Atoms
Solvent Atoms	498
Heterogen Atoms	340

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction
O	model building