4V00

Structural and functional characterization of a novel monotreme- specific protein from the milk of the platypus

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	6.6	281	THE PROTEIN WAS AT 4 MG/ML IN TRIS BUFFERED SALINE; THE RESERVOIR WAS 68 MM AMMONIUM ACETATE, 25.1% W/V PEG 8K, 100 MM SODIUM CACODYLATE BUFFER AT PH 6.6; DONE AT 8C.

Crystal Properties
Matthews coefficient	Solvent content
2.73	54.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.152	α = 80.15
b = 59.721	β = 82.98
c = 63.074	γ = 89.27

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	CCD	ADSC CCD		2013-10-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX2		Australian Synchrotron	MX2

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	1.82	46.75	99.5	0.09	15.1	7.4		72773

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	1.82	1.86	91.2		0.81	2.2	6.2

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	NONE	1.82	61.68	69095	3676	99.42	0.16702	0.16591	0.18786	RANDOM	21.003

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]
0.11	0.53	0.39	0.24	-0.24	-0.31

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.519
r_dihedral_angle_4_deg	15.162
r_dihedral_angle_3_deg	13.376
r_dihedral_angle_1_deg	6.307
r_scbond_it	1.817
r_mcangle_it	1.771
r_angle_refined_deg	1.162
r_mcbond_it	1.125
r_mcbond_other	1.123
r_angle_other_deg	0.791
r_chiral_restr	0.072
r_bond_refined_d	0.009
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5425
Nucleic Acid Atoms
Solvent Atoms	448
Heterogen Atoms	46

Software

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