Experiment: 2RIA

Crystal structure of the trimeric neck and carbohydrate recognition domain of human surfactant protein D in complex with D-glycero-D-manno-heptose

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.4	290	12% PEG 8000, 150MM NACL, 10MM CACL2, 100MM HEPES, PH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
3.23	61.86

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 55.414	α = 90
b = 108.606	β = 91.03
c = 55.548	γ = 90

Symmetry
Space Group	P 1 21 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	IMAGE PLATE	RIGAKU RAXIS IV		2006-11-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH3R	1.5418

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	50	95.6	0.069	23.2	2.7		58216

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)
	1.8	1.84	92.6		0.332		2.4	3774

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	1.8	50	57372	5845	94.4	0.209	0.2084	0.237	0.2357	26.903

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]
0.266		0.577	-2.792		2.526

RMS Deviations
Key	Refinement Restraint Deviation
c_scangle_it	2.949
c_scbond_it	2.013
c_mcangle_it	1.773
c_mcbond_it	1.202
c_angle_deg	1.1447
c_bond_d	0.0053

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3345
Nucleic Acid Atoms
Solvent Atoms	378
Heterogen Atoms	51

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
EPMR	phasing
CNS	refinement
PDB_EXTRACT	data extraction
CrystalClear	data collection
CNS	phasing