Experiment: 3GXE

Complex of a Low Affinity Collagen Site with the Fibronectin 8-9FnI Domain Pair

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3EJH	PDB Entry 3EJH, Chain A and part of chain E

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	293.1	0.1M HEPES pH 7.5, 4.3M NaCl, VAPOR DIFFUSION, SITTING DROP, temperature 293.1K

Crystal Properties
Matthews coefficient	Solvent content
2.68	54.05

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 56.57	α = 90
b = 56.57	β = 90
c = 152.661	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	CCD	ADSC QUANTUM 315r	cylindrical grazing incidence mirror	2009-03-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.9762	ESRF	ID29

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.558	46.676	100	0.074	0.074	14.5	3.4	16850	16804

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.6	2.74	100		0.442	0.442	2.4	3.5	2462

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	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	PDB Entry 3EJH, Chain A and part of chain E	2.6	46.648	0.19	16796	16796	1242	99.85	0.223	0.223	0.219	0.2134	0.271	0.2648	R-free at same indices as Mr model	57.63

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]
2.666			2.666		-5.332

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	12.613
f_angle_d	0.683
f_chiral_restr	0.046
f_bond_d	0.003
f_plane_restr	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1636
Nucleic Acid Atoms
Solvent Atoms	44
Heterogen Atoms	34

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
ADSC	data collection