Experiment: 4CN8

Structure of proximal thread matrix protein 1 (PTMP1) from the mussel byssus

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1AOX	PDB ENTRIES 1AOX, 1QC5
experimental model	PDB	1QC5	PDB ENTRIES 1AOX, 1QC5

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.6		30% PEG2000-MME, 0.2 M AMMONIUM SULFATE, 0.1 M SODIUM ACETATE PH 4.6

Crystal Properties
Matthews coefficient	Solvent content
2.19	43.72

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 116.53	α = 90
b = 44.54	β = 105.93
c = 85.85	γ = 90

Symmetry
Space Group	C 1 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	MARMOSAIC 225 mm CCD	COLLIMATOR	2012-07-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1		BESSY	14.1

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	2.45	56	97	0.1	13.3	4.1		15438		-3	35.71

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	2.45	2.5	74.6		0.77	1.7	3.6

Refinement

Statistics
Diffraction ID	Structure Solution 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	PDB ENTRIES 1AOX, 1QC5	2.45	30.832	1.99	15437	772	97.16	0.2068	0.2046	0.2093	0.2499	0.2493	41.2

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	14.599
f_angle_d	0.838
f_chiral_restr	0.085
f_bond_d	0.005
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2999
Nucleic Acid Atoms
Solvent Atoms	39
Heterogen Atoms	23

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
MrBUMP	phasing