1J3M

Crystal structure of the conserved hypothetical protein TT1751 from Thermus thermophilus HB8

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	Microbatch Crystallization	5.6	293	PEGMME 5000, Ammonium Sulfate, pH 5.6, Microbatch Crystallization, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.34	47.51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.603	α = 90
b = 78.811	β = 116.64
c = 44.688	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	MARRESEARCH	monochromator	2002-02-04	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL44B2	0.9804, 0.9808, 0.9825, 0.9720	SPring-8	BL44B2

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	50	97.9	0.036	16.8	4.1		16980		70405

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)
	2	2.07	83.8		0.138

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	20	15778	819	100	0.19694	0.19365	0.25884	RANDOM	29.423

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]
0.19		1.97	-0.56		2.13

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	6.12
r_dihedral_angle_1_deg	5.711
r_scbond_it	3.8
r_mcangle_it	2.247
r_angle_refined_deg	2.15
r_mcbond_it	1.27
r_symmetry_vdw_refined	0.297
r_nbd_refined	0.235
r_symmetry_hbond_refined	0.224
r_xyhbond_nbd_refined	0.208
r_chiral_restr	0.171
r_bond_refined_d	0.024
r_gen_planes_refined	0.009
r_bond_other_d
r_angle_other_deg
r_dihedral_angle_2_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1924
Nucleic Acid Atoms
Solvent Atoms	112
Heterogen Atoms	4

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SOLVE	phasing