1LKE

ENGINEERED LIPOCALIN DIGA16 IN COMPLEX WITH DIGOXIGENIN

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	298	0.1-M HEPES, 10% ISOPROPANOL, 19% PEG 4000, pH 8.00, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.5	51.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 75.052	α = 90
b = 63.988	β = 91.53
c = 39.452	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	OSMIC MIRRORS	2001-03-03	M	SINGLE WAVELENGTH

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

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	1.9	99	96.7	0.06	22	2.2	14294	14294		-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)
	1.9	1.97	96.1		0.22	6	1.9	1411

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	pdb entry 1BBP	1.9	48.8	14330	13599	731	96.9	0.18808	0.18495	0.24753	RANDOM	33.566

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]
-0.02		0.14	-1.61		1.64

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	16.879
r_scangle_it	8.136
r_mcangle_it	6.837
r_scbond_it	5.709
r_dihedral_angle_1_deg	5.123
r_mcbond_it	4.556
r_angle_refined_deg	1.541
r_symmetry_vdw_refined	0.314
r_nbd_refined	0.209
r_xyhbond_nbd_refined	0.179
r_chiral_restr	0.152
r_symmetry_hbond_refined	0.135
r_bond_refined_d	0.017
r_gen_planes_refined	0.008
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_symmetry_vdw_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	1245
Nucleic Acid Atoms
Solvent Atoms	58
Heterogen Atoms	28

Software

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