6M88

Crystal structure of the core catalytic domain of human inositol phosphate multikinase in complex with myricetin

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	5W2G

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	298	35% (w/v) PEG 400, 0.1 M Li2SO4, 100 mM MES Imidanzol buffer , pH 6.0, 50 mM beta-mercaptoethanol at 298K. To obtain complex structure, the apo crystal was further soaked under 35% (w/v) PEG 400, 0.1 M Li2SO4, 100 mM HEPES, pH 7.5 at 298K in the presence of 2 mM myricetin for 3 days.

Crystal Properties
Matthews coefficient	Solvent content
2.17	43.24

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.717	α = 90
b = 77.717	β = 90
c = 84.465	γ = 90

Symmetry
Space Group	P 42 21 2

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	RAYONIX MX300-HS		2018-04-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	1	APS	22-ID

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	1.9	50	99.6	0.123	0.13	0.04	0.977	16.9	9.7		20939			16.83

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	1.9	1.93	100		0.728	0.768	0.241	0.88	4	9.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	FOURIER SYNTHESIS	THROUGHOUT	5w2g	1.9	50	19777	1068	99.32	0.17689	0.17337	0.24428	RANDOM	24.725

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]
-0.24			-0.24		0.47

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	43.736
r_dihedral_angle_2_deg	36.511
r_sphericity_bonded	22.157
r_dihedral_angle_4_deg	13.652
r_dihedral_angle_3_deg	12.921
r_dihedral_angle_1_deg	6.457
r_long_range_B_refined	4.953
r_long_range_B_other	4.789
r_mcangle_it	3.29
r_mcangle_other	3.289
r_scangle_other	3.114
r_scbond_it	2.394
r_scbond_other	2.393
r_mcbond_it	2.371
r_mcbond_other	2.37
r_rigid_bond_restr	1.487
r_angle_refined_deg	1.31
r_angle_other_deg	0.907
r_chiral_restr	0.071
r_bond_refined_d	0.009
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.001
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

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1935
Nucleic Acid Atoms
Solvent Atoms	177
Heterogen Atoms	23

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling