Experiment: 3D87

Crystal structure of Interleukin-23

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3D85

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.8	277	1.26M K2HPO4, 0.5M NaH2PO4, 100 mM Imidazole, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
4.31	71.48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 110.098	α = 90
b = 240.587	β = 90
c = 141.781	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MAR CCD 165 mm		2006-12-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-BM	1.0	APS	17-BM

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (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	2.9	20.39	93.5	0.1	0.112	9.8	3.8	44577	41680			77.341

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.9	3	10		0.577	0.675	2.1	3.6	3980

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3d85	2.9	20.39	44577	40688	837	93.5	0.2687	0.2687	0.2675	0.269	0.3232	0.3375	RANDOM	72.76

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]
3.04226287			15.16541581		-18.20767868

RMS Deviations
Key	Refinement Restraint Deviation
t_dihedral_angle_d	28.478
t_it	2.804
t_angle_deg	1.516
t_nbd	0.076
t_gen_planes	0.018
t_bond_d	0.011
t_trig_c_planes	0.009
t_incorr_chiral_ct
t_pseud_angle

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7081
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	23

Software

Software
Software Name	Purpose
ADSC	data collection
AMoRE	phasing
BUSTER-TNT	refinement
HKL-2000	data reduction
HKL-2000	data scaling