3POB

Crystal structure of MASP-1 CUB2 domain in complex with the collagen-like domain of MBL

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	293	28% PEG 8000, 50mM Tris, pH 8.0, 4mM CaCl2, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.26	45.62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.2	α = 90
b = 52.56	β = 90
c = 57.75	γ = 90

Symmetry
Space Group	P 21 21 2

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		2010-05-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04	0.9184	Diamond	I04

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	1.8	30	99.6	0.061	25.76	4.3	17822	17755

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	1.8	1.91	99.3		0.307	5.38	4.4	2795

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	PDB ENTRY 3DEM	1.801	26.44	17822	16865	888	100	0.20069	0.20069	0.19801	0.25213	RANDOM	24.129

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]
0.76			-0.75

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.244
r_dihedral_angle_4_deg	28.942
r_dihedral_angle_3_deg	15.51
r_dihedral_angle_1_deg	6.499
r_scangle_it	5.94
r_scbond_it	3.605
r_mcangle_it	2.275
r_angle_refined_deg	2.194
r_mcbond_it	1.336
r_chiral_restr	0.151

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.244
r_dihedral_angle_4_deg	28.942
r_dihedral_angle_3_deg	15.51
r_dihedral_angle_1_deg	6.499
r_scangle_it	5.94
r_scbond_it	3.605
r_mcangle_it	2.275
r_angle_refined_deg	2.194
r_mcbond_it	1.336
r_chiral_restr	0.151
r_bond_refined_d	0.023
r_gen_planes_refined	0.013

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1424
Nucleic Acid Atoms
Solvent Atoms	184
Heterogen Atoms	1

Software

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

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.