1RCB

CRYSTAL STRUCTURE OF HUMAN RECOMBINANT INTERLEUKIN-4 AT 2.25 ANGSTROMS RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
3.26	62.28

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.8	α = 90
b = 91.8	β = 90
c = 46.4	γ = 90

Symmetry
Space Group	P 41 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray

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		2.25	10	8085			0.218

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	37
p_staggered_tor	25
p_scangle_it	5.539
p_planar_tor	5.1
p_scbond_it	3.378
p_mcangle_it	3.329
p_mcbond_it	1.468
p_multtor_nbd	0.305
p_xhyhbond_nbd	0.231
p_chiral_restr	0.23
p_singtor_nbd	0.227
p_planar_d	0.082
p_angle_d	0.056
p_bond_d	0.02
p_plane_restr	0.016
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	1048
Nucleic Acid Atoms
Solvent Atoms	33
Heterogen Atoms

Software

Software
Software Name	Purpose
PROLSQ	refinement