1VJX

Crystal structure of a putative ferritin-like diiron-carboxylate protein (tm1526) from thermotoga maritima at 2.30 A resolution

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION,SITTING DROP,NANODROP	4.2	277	Phosphate Citrate pH 4.2, 10% 2-propanol, 0.2M Li2SO4 , VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.8	55.78

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 82.333	α = 90
b = 82.333	β = 90
c = 121.641	γ = 90

Symmetry
Space Group	I 41 2 2

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	APS-1	water cooled; sagitally focusing 2nd crystal, Rosenbaum-Rock vertical focusing mirror	2004-02-20	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-BM	0.979292, 0.964063, 0.979127	APS	19-BM

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	2.3	50	94.75	0.077	22.69	8.82		9150			51.21

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	2.3	2.38	95.43		0.681	3.45	7.4	897

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.3	42.06	8537	596	94.7	0.21979	0.21727	0.25652	RANDOM	44.678

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]
1.79			1.79		-3.58

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.034
r_dihedral_angle_4_deg	22.784
r_dihedral_angle_3_deg	17.398
r_dihedral_angle_1_deg	6.743
r_scangle_it	3.216
r_scbond_it	2.072
r_angle_refined_deg	1.469
r_mcangle_it	1.234
r_mcbond_it	0.966
r_angle_other_deg	0.829
r_symmetry_vdw_other	0.281
r_nbd_refined	0.223
r_symmetry_hbond_refined	0.202
r_mcbond_other	0.186
r_symmetry_vdw_refined	0.176
r_nbd_other	0.175
r_xyhbond_nbd_refined	0.151
r_nbtor_other	0.089
r_chiral_restr	0.082
r_bond_refined_d	0.017
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1242
Nucleic Acid Atoms
Solvent Atoms	60
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing
SHARP	phasing
REFMAC	refinement