Experiment: 4CAJ

Crystallographic structure of the mouse SIGN-R1 CRD domain in complex with sialic acid

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3ZHG	PDB ENTRY 3ZHG

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				CRYSTALS GROWN BY MIXING 1 UL OF CRD_SIGN-R1 (4 MG/ML IN 20 MM TRIS/HCL PH 7.5 AND 100 MM NACL) WITH 1UL OF PRECIPITANT CONSISTING IN 0.1 M BISTRISPH 5.5 AND 1.6 M (NH4)2SO4.

Crystal Properties
Matthews coefficient	Solvent content
3.67	66.49

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 146.2	α = 90
b = 94.47	β = 121.42
c = 76.14	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	ADSC CCD			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-2		ESRF	ID23-2

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	2.8	42.95	100	0.11	9.4	4.2		50858		2	30.84

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	2.8	2.95	100		0.45	3.7	4.2

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 ENTRY 3ZHG	2.191	14.948	1.33	44455	2273	98.13	0.2093	0.2053	0.2188	0.2812	0.244

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	13.249
f_angle_d	1.441
f_chiral_restr	0.059
f_bond_d	0.018
f_plane_restr	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4291
Nucleic Acid Atoms
Solvent Atoms	466
Heterogen Atoms	219

Software

Software
Software Name	Purpose
PHENIX	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing