2DHF

CRYSTAL STRUCTURES OF RECOMBINANT HUMAN DIHYDROFOLATE REDUCTASE COMPLEXED WITH FOLATE AND 5-DEAZOFOLATE

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.32	46.89

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 36.1	α = 93.9
b = 38.5	β = 91.4
c = 76.8	γ = 111.5

Symmetry
Space Group	P 1

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		2.3				0.194

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_staggered_tor	25.9
p_orthonormal_tor	23.1
p_scangle_it	7.68
p_mcangle_it	6.41
p_scbond_it	5.69
p_mcbond_it	4.84
p_planar_tor	4.3
p_chiral_restr	0.337
p_multtor_nbd	0.29
p_xhyhbond_nbd	0.227
p_singtor_nbd	0.222
p_planar_d	0.044
p_angle_d	0.035
p_bond_d	0.021
p_plane_restr	0.015
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	2948
Nucleic Acid Atoms
Solvent Atoms	111
Heterogen Atoms	64

Software

Software
Software Name	Purpose
PROLSQ	refinement