1TCS

CRYSTAL STRUCTURE OF TRICHOSANTHIN-NADPH COMPLEX AT 1.7 ANGSTROMS RESOLUTION REVEALS ACTIVE-SITE ARCHITECTURE

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.17	43.27

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 38.39	α = 90
b = 76.81	β = 90
c = 79.93	γ = 90

Symmetry
Space Group	P 21 21 21

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.7	8	86.5				22244		3

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				0.174

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	34
p_staggered_tor	19.1
p_planar_tor	5.8
p_scangle_it	3.931
p_scbond_it	2.792
p_mcangle_it	2.128
p_mcbond_it	1.413
p_chiral_restr	0.259
p_multtor_nbd	0.233
p_xhyhbond_nbd	0.222
p_singtor_nbd	0.19
p_planar_d	0.057
p_angle_d	0.036
p_plane_restr	0.02
p_bond_d	0.013
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	1914
Nucleic Acid Atoms
Solvent Atoms	145
Heterogen Atoms	48

Software

Software
Software Name	Purpose
PROFFT	refinement