1SBP

1.7 ANGSTROMS REFINED STRUCTURE OF SULFATE-BINDING PROTEIN INVOLVED IN ACTIVE TRANSPORT AND NOVEL MODE OF SULFATE BINDING

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.05	40.13

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 40.77	α = 90
b = 49.37	β = 90
c = 141.03	γ = 90

Symmetry
Space Group	P 21 21 21

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		1.7				0.178

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]

RMS Deviations
Key	Refinement Restraint Deviation
p_orthonormal_tor	21.1
p_staggered_tor	18.3
p_planar_tor	3.2
p_scangle_it	2.379
p_mcangle_it	1.589
p_scbond_it	1.467
p_mcbond_it	1.04
p_chiral_restr	0.216
p_multtor_nbd	0.188
p_singtor_nbd	0.177
p_xhyhbond_nbd	0.177
p_planar_d	0.048
p_angle_d	0.035
p_bond_d	0.019
p_plane_restr	0.017
p_angle_deg
p_hb_or_metal_coord
p_xyhbond_nbd
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2427
Nucleic Acid Atoms
Solvent Atoms	138
Heterogen Atoms	5

Software

Software
Software Name	Purpose
PROLSQ	refinement