8BIK

Crystal structure of human AMPK heterotrimer in complex with allosteric activator C455


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION7.2293AMPK a2b1g1 (5 mg/ml: 38 uM) was combined with AMP (4-fold excess), staurosporine (1.2-fold excess) and activator 455 (3-fold excess): and crystallised at 20 C by mixing 2 ul of the protein solution with 1 ul of 8 % PEG3350, 0.3 M guanidine hydrochloride, 0.1 M PIPES buffer pH 7.2.
Crystal Properties
Matthews coefficientSolvent content
2.5551.72

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 75.313α = 90
b = 127.975β = 92.91
c = 139.215γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M-F2016-04-29MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I020.97949DiamondI02

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)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.575.2299.90.0690.0820.0450.9888.93.39101669.44
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)RedundancyNumber Unique Reflections (All)
12.52.5699.90.8631.0270.5520.5463.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTpdbid 4CFF2.569.5290076433598.90.1830.1810.215RANDOM67.72
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]
-2.5921-0.3767-0.05112.6433
RMS Deviations
KeyRefinement Restraint Deviation
t_other_torsion20.1
t_omega_torsion3.04
t_angle_deg1.13
t_bond_d0.01
t_dihedral_angle_d
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion
RMS Deviations
KeyRefinement Restraint Deviation
t_other_torsion20.1
t_omega_torsion3.04
t_angle_deg1.13
t_bond_d0.01
t_dihedral_angle_d
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion
t_pseud_angle
t_chiral_improper_torsion
t_sum_occupancies
t_utility_distance
t_utility_angle
t_utility_torsion
t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms14741
Nucleic Acid Atoms
Solvent Atoms482
Heterogen Atoms259

Software

Software
Software NamePurpose
Aimlessdata scaling
PHASERphasing
BUSTERrefinement
PDB_EXTRACTdata extraction