2ZBC

Crystal structure of STS042, a stand-alone RAM module protein, from hyperthermophilic archaeon Sulfolobus tokodaii strain7.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP			VAPOR DIFFUSION, SITTING DROP

Crystal Properties
Matthews coefficient	Solvent content
2.27	45.74

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.367	α = 90
b = 61.785	β = 94.47
c = 90.487	γ = 90

Symmetry
Space Group	P 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		CCD	ADSC QUANTUM 315			M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-5A	0.9792, 0.9793, 0.9641	Photon Factory	BL-5A

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	20	98.6	0.104	9.3	3.3		52841

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	1.9	1.97	96.6		0.244		3	5163

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	1.9	20	52841	2694	97.95	0.172	0.17	0.219	RANDOM	18.425

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]
-0.48		-2.26	-0.69		0.82

RMS Deviations
Key	Refinement Restraint Deviation
TORSION ANGLES, PERIOD I (DEGREES)	6.926
r_scangle_it	5.172
r_scbond_it	3.381
r_angle_refined_deg	2.081
r_mcangle_it	1.956
r_mcbond_it	1.182
r_angle_other_deg	0.946
r_symmetry_vdw_other	0.301
r_nbd_other	0.251
r_symmetry_hbond_refined	0.243
r_nbd_refined	0.215
r_symmetry_vdw_refined	0.193
r_xyhbond_nbd_refined	0.154
r_chiral_restr	0.125
r_nbtor_other	0.088
r_bond_refined_d	0.027
r_gen_planes_refined	0.009
r_gen_planes_other	0.005
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5016
Nucleic Acid Atoms
Solvent Atoms	406
Heterogen Atoms	72

Software

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