7WWS

Structure of a triple-helix region of human collagen type III from Trautec

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	0.2M MgAc2, 0.1M Na cacodylate pH6.5, 20% PEG 8000

Crystal Properties
Matthews coefficient	Solvent content
1.79	31.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 18.582	α = 90
b = 19.32	β = 96.886
c = 74.234	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 PILATUS3 6M		2022-01-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CLSI BEAMLINE 08ID-1	0.7749	CLSI	08ID-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	1.3	36.85	99.9	0.02	58.8	6.5		13244

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.3	1.32			0.041

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	2cuo	1.3	24.578	13236	629	99.887	0.116	0.1144	0.1582	13.945

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]
-0.08		-0.299	-0.012		0.16

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	18.853
r_dihedral_angle_3_deg	10.525
r_dihedral_angle_4_deg	10.07
r_rigid_bond_restr	8.076
r_dihedral_angle_1_deg	5.872
r_lrange_it	4.249
r_lrange_other	4.051
r_scangle_it	3.559
r_scangle_other	3.55
r_scbond_it	2.963
r_scbond_other	2.937
r_mcangle_it	2.437
r_mcangle_other	2.436
r_mcbond_other	2.264
r_mcbond_it	2.258
r_angle_refined_deg	1.976
r_angle_other_deg	1.199
r_symmetry_xyhbond_nbd_refined	0.366
r_xyhbond_nbd_refined	0.258
r_nbd_other	0.251
r_nbd_refined	0.232
r_symmetry_nbd_other	0.198
r_nbtor_refined	0.17
r_symmetry_nbd_refined	0.162
r_symmetry_nbtor_other	0.091
r_chiral_restr	0.084
r_bond_refined_d	0.015
r_gen_planes_refined	0.011
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	522
Nucleic Acid Atoms
Solvent Atoms	156
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing