3CM1

Crystal structure of SsgA-like sporulation-specific cell division protein (YP_290167.1) from Thermobifida fusca YX-ER1 at 2.60 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.5	277	NANODROP, 40.0% 1,2-propanediol, 0.1M Acetate pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.97	58.56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64.84	α = 90
b = 64.84	β = 90
c = 130.6	γ = 90

Symmetry
Space Group	P 41

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	MARMOSAIC 325 mm CCD	Flat mirror (vertical focusing)	2007-05-13	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.91837, 0.97929, 0.97898	SSRL	BL11-1

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	2.6	46.029	99.4	0.046	15.84			16529		-3	79.297

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	2.6	2.69	98.9		0.793	1.8

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	2.6	46.029	16493	846	99.44	0.232	0.23	0.27	RANDOM	63.264

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]
2.08			2.08		-4.15

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.738
r_dihedral_angle_4_deg	21.95
r_dihedral_angle_3_deg	16.165
r_scangle_it	6.667
r_dihedral_angle_1_deg	4.67
r_scbond_it	4.446
r_mcangle_it	2.408
r_angle_refined_deg	1.414
r_mcbond_it	1.396
r_angle_other_deg	1.012
r_symmetry_vdw_other	0.248
r_nbd_refined	0.206
r_mcbond_other	0.203
r_symmetry_vdw_refined	0.182
r_nbtor_refined	0.179
r_nbd_other	0.175
r_xyhbond_nbd_refined	0.127
r_chiral_restr	0.092
r_nbtor_other	0.087
r_symmetry_hbond_refined	0.07
r_bond_refined_d	0.011
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2892
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHELX	phasing
MolProbity	model building
XSCALE	data scaling
PDB_EXTRACT	data extraction
MAR345	data collection
XDS	data reduction
SHELXD	phasing
autoSHARP	phasing