8BZM

FOXK1-ELF1-heterodimer bound to DNA

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2C6Y	FOXK1A
experimental model	PDB	3JTG	ELF3

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.2	293	PEG MME 3350, PEG 200, magnesium chloride, HEPES

Crystal Properties
Matthews coefficient	Solvent content
2.23	50.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 66.181	α = 90
b = 105.868	β = 112.94
c = 68.194	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS 6M-F		2021-11-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1	0.6199	ESRF	ID23-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	2.69	49.49	99.8	0.2	0.232	0.116	0.991	3.9	3.9		23997

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.69	2.84		99.2	1.999	2.31	1.147	0.399		3.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	2.69	40	21947	1218	96.43	0.27352	0.27053	0.3236	RANDOM	113.019

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]
4.17		11.15	-13.65		0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.89
r_dihedral_angle_3_deg	22.983
r_dihedral_angle_4_deg	17.97
r_long_range_B_refined	16.991
r_long_range_B_other	16.991
r_mcangle_it	13.956
r_mcangle_other	13.954
r_scangle_other	12.433
r_mcbond_it	8.88
r_mcbond_other	8.874
r_scbond_it	7.755
r_scbond_other	7.755
r_dihedral_angle_1_deg	7.291
r_angle_refined_deg	1.693
r_angle_other_deg	1.115
r_chiral_restr	0.161
r_gen_planes_refined	0.008
r_bond_refined_d	0.007
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4600
Nucleic Acid Atoms	1408
Solvent Atoms	34
Heterogen Atoms	6

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing