3O80

Crystal structure of monomeric KlHxk1 in crystal form IX (open state)

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	292	0.5microL reservoir + 0.5microL protein, reservoir: 1.6M triammonium citrate pH 6, protein: 10mg/ml Klhxk1, 10mM Tris pH 7.4, 1mM EDTA, 1mM DTT, 0.5mM PMSF, 2mM AMPPCP, crystal soaked in 50mM AMPPNP, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Properties
Matthews coefficient	Solvent content
3.21	61.65

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 118.346	α = 90
b = 233.904	β = 90
c = 49.744	γ = 90

Symmetry
Space Group	C 2 2 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	CCD	MARMOSAIC 225 mm CCD	1st mirror: Silicon, active surface 50 nm Rh-coated; 2nd mirror: Glas, active s urface 50 nm Rh-coated	2008-04-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.2	0.91841	BESSY	14.2

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	2.18	30	99.4	0.079	15.2	4	36671	36453		-3	35.5

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)
	2.18	2.24	99.9		0.506	3.2	4.1	2656

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	PDB entry 3O08	2.18	29.59	35317	1136	99.47	0.20009	0.19848	0.25074	RANDOM	31.011

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]
1.07			-0.92		-0.15

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.2
r_dihedral_angle_4_deg	18.553
r_dihedral_angle_3_deg	17.25
r_scangle_it	8.602
r_dihedral_angle_1_deg	7.15
r_scbond_it	6.042
r_mcangle_it	3.434
r_mcbond_it	2.315
r_angle_refined_deg	1.89
r_chiral_restr	0.131
r_bond_refined_d	0.023
r_gen_planes_refined	0.009
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
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_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3651
Nucleic Acid Atoms
Solvent Atoms	99
Heterogen Atoms	46

Software

Software
Software Name	Purpose
MAR345	data collection
AMoRE	phasing
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling