2WBM

Crystal structure of mthSBDS, the homologue of the Shwachman-Bodian- Diamond syndrome protein in the euriarchaeon Methanothermobacter thermautotrophicus

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1P9Q	PDB ENTRY 1P9Q

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	6		PROTEIN AT 22.5 MG/ML IN 25 MM TRIS (PH 7.5) AND 0.1 M NACL, WAS CRYSTALLIZED BY THE VAPOUR DIFFUSION METHOD AGAINST A RESERVOIR COMPOSED OF 0.9 M LITHIUM SULPHATE, 0.5 M AMMONIUM SULPHATE AND 0.1 M SODIUM CITRATE (PH 5.6)

Crystal Properties
Matthews coefficient	Solvent content
3.2	61.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.3	α = 90
b = 72.108	β = 90
c = 146.829	γ = 90

Symmetry
Space Group	P 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	110	CCD	MARRESEARCH	MIRRORS		M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14		ESRF	BM14

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	1.75	27	98.4	0.06	20.3	3.9		72559		1.7	25

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	1.75	1.78	82.8		0.59	1.7	3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1P9Q	1.75	26.98	71100	1457	98.4	0.191	0.191	0.23	0.214	0.25	RANDOM	37.1

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]
2.36			-1.34		-1.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.083
r_dihedral_angle_4_deg	15.175
r_dihedral_angle_3_deg	12.928
r_scangle_it	6.313
r_dihedral_angle_1_deg	5.294
r_scbond_it	3.892
r_mcangle_it	2.31
r_mcbond_it	1.446
r_angle_refined_deg	1.173
r_chiral_restr	0.085
r_bond_refined_d	0.01
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3655
Nucleic Acid Atoms
Solvent Atoms	411
Heterogen Atoms	52

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing