2RBD

CRYSTAL STRUCTURE OF A PUTATIVE SPORE COAT PROTEIN (BH2358) FROM BACILLUS HALODURANS C-125 AT 1.54 A RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.1	277	NANODROP, 0.2M Li3 Citrate, 20.0% PEG 3350, No Buffer pH 8.1, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.46	49.99

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.082	α = 90
b = 74.345	β = 90
c = 235.812	γ = 90

Symmetry
Space Group	I 21 21 21

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)	2007-07-26	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.91837, 0.97898, 0.97922	SSRL	BL11-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.54	39.809	100	0.075	0.075	9.3	6.1		56674

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.54	1.62	99.9		0.68	0.68	1.1	6.1	8162

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	1.54	39.809	56673	2882	99.93	0.16	0.159	0.188	RANDOM	15.56

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]
0.27			0.91		-1.18

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.293
r_dihedral_angle_4_deg	14.384
r_dihedral_angle_3_deg	13.705
r_scangle_it	7.046
r_scbond_it	4.819
r_dihedral_angle_1_deg	4.754
r_mcangle_it	2.866
r_mcbond_it	2.251
r_angle_refined_deg	1.452
r_angle_other_deg	0.954
r_mcbond_other	0.612
r_symmetry_vdw_other	0.265
r_symmetry_vdw_refined	0.234
r_nbd_refined	0.221
r_nbtor_refined	0.185
r_nbd_other	0.183
r_xyhbond_nbd_refined	0.17
r_symmetry_hbond_refined	0.134
r_nbtor_other	0.091
r_chiral_restr	0.09
r_bond_refined_d	0.017
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2430
Nucleic Acid Atoms
Solvent Atoms	429
Heterogen Atoms	39

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
SHARP	phasing