Experiment: 6Q41

Atomic resolution crystal structure of a BAA collagen heterotrimer

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1V4F

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	9.2	293.15	50% Ethylene glycol, 0.1M Tris-HCl, 0.2 M MgCl2, pH 8.5

Crystal Properties
Matthews coefficient	Solvent content
2.24	45.13

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 18.777	α = 69.039
b = 38.656	β = 79.584
c = 45.329	γ = 77.438

Symmetry
Space Group	P 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		2017-05-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I24	0.8000	Diamond	I24

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	1.03	42.06	92.2	0.058	8.4	3.3		52665			11.27

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	1.03	1.05	60.5		1.807	0.6	2.9

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)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1v4f	1.03	42.06	1.96	51603	2595	90.34	0.1452	0.1434	0.1514	0.1771	0.1847	20.06

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	15.0648
f_angle_d	1.6336
f_chiral_restr	0.085
f_bond_d	0.0136
f_plane_restr	0.0107

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	946
Nucleic Acid Atoms
Solvent Atoms	289
Heterogen Atoms	32

Software

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