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Crystal structure of the wild-type heterocomplex between coil 1B domains of human intermediate filament proteins keratin 1 (KRT1) and keratin 10 (KRT10)
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s)
Type
Source
Accession Code
Details
experimental model
Other
Phase problem initially solved using SAD on an isomorphous crystal whose data was collected at the cadmium edge (8500eV). This structure was used as starting model in MolRep to obtain the higher resolution KRT1/KRT10 1B structure.
Crystallization
Crystalization Experiments
ID
Method
pH
Temperature
Details
1
VAPOR DIFFUSION, SITTING DROP
7.5
298
11% PEG 3350, 0.1 M HEPES, 5 mM cobalt chloride, 5 mM cadmium chloride, 5 mM magnesium chloride, 5 mM nickel chloride
Crystal Properties
Matthews coefficient
Solvent content
4.67
73.66
Crystal Data
Unit Cell
Length ( Å )
Angle ( ˚ )
a = 106.685
α = 90
b = 106.685
β = 90
c = 70.321
γ = 120
Symmetry
Space Group
P 31 2 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
2017-07-06
M
SINGLE WAVELENGTH
Radiation Source
ID #
Source
Type
Wavelength List
Synchrotron Site
Beamline
1
SYNCHROTRON
APS BEAMLINE 24-ID-C
0.9795
APS
24-ID-C
Data Collection
Overall
ID #
Resolution (High)
Resolution (Low)
Percent Possible (Observed)
R Merge I (Observed)
Rrim I (All)
Rpim I (All)
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
2.983
50
89.6
0.132
0.141
0.047
4.3
8
8681
91.24
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
2.983
3.05
42.7
1.185
1.285
0.477
0.64
5
Refinement
Statistics
Diffraction ID
Structure Solution Method
Cross Validation method
Starting model
Resolution (High)
Resolution (Low)
Cut-off Sigma (F)
Number Reflections (Observed)
Number Reflections (R-Free)
Percent Reflections (Observed)
R-Factor (Observed)
R-Work (Depositor)
R-Work (DCC)
R-Free (Depositor)
R-Free (DCC)
R-Free Selection Details
Mean Isotropic B
X-RAY DIFFRACTION
MOLECULAR REPLACEMENT
THROUGHOUT
Phase problem initially solved using SAD on an isomorphous crystal whose data was collected at the cadmium edge (8500eV). This structure was used as starting model in MolRep to obtain the higher resolution KRT1/KRT10 1B structure.