3POI

Crystal structure of MASP-1 CUB2 domain bound to Methylamine

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	279	1.5M Lithium sulfate, 100mM Tirs buffer, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 279K

Crystal Properties
Matthews coefficient	Solvent content
3.24	62.01

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 100.57	α = 90
b = 100.57	β = 90
c = 100.57	γ = 90

Symmetry
Space Group	P 21 3

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 315		2010-09-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I02	0.979500	Diamond	I02

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	1.7	50	99.8	0.087	18.01	5.07		37446

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	1.7	1.8	100		0.322	4.84	5.09	30612

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.701	44.98	35529	1870	100	0.12079	0.12079	0.11891	0.15624	RANDOM	12.421

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
r_dihedral_angle_2_deg	35.578
r_dihedral_angle_4_deg	21.187
r_dihedral_angle_3_deg	13.952
r_scangle_it	7.649
r_dihedral_angle_1_deg	6.498
r_scbond_it	5.378
r_mcangle_it	3.842
r_rigid_bond_restr	2.544
r_mcbond_it	2.47
r_angle_refined_deg	2.141
r_angle_other_deg	0.985
r_mcbond_other	0.817
r_chiral_restr	0.136
r_bond_refined_d	0.029
r_gen_planes_refined	0.011
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_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1817
Nucleic Acid Atoms
Solvent Atoms	231
Heterogen Atoms	22

Software

Software
Software Name	Purpose
ADSC	data collection
PHASER	phasing
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling