1P7I

CRYSTAL STRUCTURE OF ENGRAILED HOMEODOMAIN MUTANT K52A

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	9.5	293	30% PEG 3000, 100mM 2-(cyclohexylamino)ethanesulfonic acid (CHES), pH 9.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.16	43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.664	α = 90
b = 51.176	β = 90
c = 108.253	γ = 90

Symmetry
Space Group	P 21 21 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					M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.9792	ESRF	ID29

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	2.1	19.48		0.077	0.077	13.4	4		14829			28.1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.14			0.194	4.8

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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1ENH	2.1	54.23	14862	14092	737	98.3	0.20156	0.1997	0.23963	RANDOM	16.742

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]
			0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	13.536
r_scangle_it	5.825
r_mcangle_it	3.844
r_scbond_it	3.771
r_dihedral_angle_1_deg	3.168
r_mcbond_it	2.452
r_angle_refined_deg	1.289
r_angle_other_deg	0.686
r_xyhbond_nbd_refined	0.301
r_symmetry_hbond_refined	0.285
r_nbd_refined	0.23
r_symmetry_vdw_other	0.203
r_symmetry_vdw_refined	0.194
r_nbd_other	0.187
r_chiral_restr	0.081
r_symmetry_hbond_other	0.056
r_bond_refined_d	0.011
r_gen_planes_refined	0.004
r_gen_planes_other	0.002
r_bond_other_d	0.001
r_nbtor_other
r_xyhbond_nbd_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1721
Nucleic Acid Atoms
Solvent Atoms	100
Heterogen Atoms	13

Software

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