2LIV

PERIPLASMIC BINDING PROTEIN STRUCTURE AND FUNCTION. REFINED X-RAY STRUCTURES OF THE LEUCINE/ISOLEUCINE/VALINE-BINDING PROTEIN AND ITS COMPLEX WITH LEUCINE

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.22	44.69

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 39.88	α = 90
b = 70.99	β = 90
c = 115.63	γ = 90

Symmetry
Space Group	P 21 21 21

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		2.4	10	11817			0.179

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_planar_tor	4.9
p_scangle_it	2.111
p_scbond_it	1.347
p_mcangle_it	1.295
p_mcbond_it	0.764
p_multtor_nbd	0.319
p_xhyhbond_nbd	0.259
p_singtor_nbd	0.216
p_chiral_restr	0.212
p_planar_d	0.063
p_angle_d	0.046
p_bond_d	0.02
p_plane_restr	0.016
p_angle_deg
p_hb_or_metal_coord
p_xyhbond_nbd
p_staggered_tor
p_orthonormal_tor
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2589
Nucleic Acid Atoms
Solvent Atoms	121
Heterogen Atoms

Software

Software
Software Name	Purpose
PROLSQ	refinement