1KXO

ENGINEERED LIPOCALIN DIGA16 : APO-FORM

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.6	298	0.1-M Hepes, 10% Isopropanole, 19% PEG 4000, pH = 7.8, pH 7.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.5	51.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 73.873	α = 90
b = 63.476	β = 92.02
c = 38.191	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	298	IMAGE PLATE	MAR scanner 345 mm plate		2001-11-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU300	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.8	48.22	89.1	0.04	14.2	2.3	14754	14754		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.8	1.86	77.2		0.2	2.3	1.2	1260

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	The structure of diga16 in presence of digoxigenin	1.8	48.22	14674	14674	726	89.45	0.21229	0.209	0.289	RANDOM	28.316

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]
-0.21		0.1	-2.68		2.9

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	15.968
r_scangle_it	8.467
r_mcangle_it	7.394
r_dihedral_angle_1_deg	6.865
r_scbond_it	6.409
r_mcbond_it	5.672
r_angle_refined_deg	2.684
r_angle_other_deg	1.316
r_symmetry_vdw_refined	0.266
r_nbd_refined	0.249
r_symmetry_vdw_other	0.245
r_nbd_other	0.205
r_xyhbond_nbd_refined	0.196
r_symmetry_hbond_refined	0.187
r_chiral_restr	0.162
r_bond_refined_d	0.018
r_gen_planes_refined	0.015
r_gen_planes_other	0.01
r_bond_other_d	0.001
r_nbtor_other
r_xyhbond_nbd_other
r_symmetry_hbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1320
Nucleic Acid Atoms
Solvent Atoms	104
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALEPACK	data scaling
CNS	refinement
DENZO	data reduction
CNS	phasing