7K3X

SGMGCIT segment 58-64 from Keratin-8 with G62C mutation

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
in silico model	Other		ideal beta strand

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	0.2M sodium citrate tribasic dehydrate, 0.1M HEPES (pH 7.5), 20% v/v 2-propanol

Crystal Properties
Matthews coefficient	Solvent content
1.65	25.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 4.74	α = 90
b = 46.17	β = 103.33
c = 10.33	γ = 90

Symmetry
Space Group	P 1 21 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		2018-06-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.9791	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	1.7	100	93.5	0.192	0.219	0.102	4.3	4.4		472

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	1.7	1.76	71.4		0.947	1.149	0.636	0.026		2.6

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	ideal beta strand	1.705	23.086	448	45	95.117	0.247	0.2468	0.2481	22.999

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]
-11.407		-4.262	1.134		10.273

RMS Deviations
Key	Refinement Restraint Deviation
r_lrange_it	18.747
r_lrange_other	18.717
r_dihedral_angle_3_deg	17.662
r_scangle_it	14.861
r_scangle_other	14.583
r_scbond_it	12.934
r_scbond_other	12.609
r_dihedral_angle_1_deg	9.503
r_mcangle_it	8.142
r_mcangle_other	8.003
r_mcbond_other	4.858
r_mcbond_it	4.788
r_angle_refined_deg	1.908
r_angle_other_deg	1.593
r_nbd_other	0.332
r_xyhbond_nbd_refined	0.243
r_symmetry_nbd_refined	0.237
r_symmetry_nbd_other	0.203
r_nbtor_refined	0.137
r_nbd_refined	0.083
r_symmetry_nbtor_other	0.077
r_chiral_restr	0.07
r_bond_other_d	0.061
r_bond_refined_d	0.011
r_gen_planes_refined	0.005
r_gen_planes_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	44
Nucleic Acid Atoms
Solvent Atoms	1
Heterogen Atoms	4

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction