6CQ7

The SH3 domain of MLK3 in complex with poly-proline peptide derived from Htt

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		298	0.5 M Ammonium Sulphate 0.1 M Sodium Citrate pH 5.6 1.1 M Lithium Sulphate

Crystal Properties
Matthews coefficient	Solvent content
4.35	71.74

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59	α = 90
b = 59	β = 90
c = 84.36	γ = 90

Symmetry
Space Group	P 43 2 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	MARMOSAIC 300 mm CCD		2016-08-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.97857	APS	21-ID-G

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Rrim 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	59	98.6	0.04	0.999	23.56	7.6		10431

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.12	97.6		0.674	0.843	2.46	6.2

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	MOLECULAR REPLACEMENT	THROUGHOUT	5K28	2	59	9765	544	97.43	0.19951	0.19625	0.25977	RANDOM	60.496

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]
1.73			1.73		-3.45

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.665
r_dihedral_angle_4_deg	17.108
r_dihedral_angle_3_deg	13.066
r_long_range_B_other	10.609
r_long_range_B_refined	10.601
r_scangle_other	8.814
r_mcangle_it	6.563
r_mcangle_other	6.555
r_dihedral_angle_1_deg	6.313
r_scbond_it	6.02
r_scbond_other	6.014
r_mcbond_other	4.926
r_mcbond_it	4.923
r_angle_refined_deg	1.751
r_angle_other_deg	0.983
r_chiral_restr	0.114
r_bond_refined_d	0.019
r_gen_planes_refined	0.011
r_bond_other_d	0.005
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	542
Nucleic Acid Atoms
Solvent Atoms	30
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
ARP/wARP	model building
MOLREP	phasing