Experiment: 3KQR

The structure of serum amyloid p component bound to phosphoethanolamine

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	298	0.06M TRIS-HCL pH8, 16% PEG 550MME, 0.01M CaCl2, 0.14M NaCl, 0.1% NaN3,14.2mg/ml Protein, 0.05M Ligand, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.89	57.43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 94.86	α = 90
b = 69.86	β = 96.95
c = 102.27	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	CCD	ADSC QUANTUM 4		2005-02-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-1	0.93	ESRF	ID14-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.5	36.812	98.7	0.053	0.053	16.8	3.8		208934		6

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.5	1.58	97.7		0.18	0.18	4	3.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	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	1.5	36.811	1.32	208905	10455	98.47	0.142	0.1409	0.1381	0.161	0.1576	15.823

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]
-1.789		1.408	0.854		0.934

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	17.171
f_angle_d	1.579
f_chiral_restr	0.106
f_bond_d	0.014
f_plane_restr	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8245
Nucleic Acid Atoms
Solvent Atoms	1469
Heterogen Atoms	120

Software

Software
Software Name	Purpose
SCALA	data processing
PHENIX	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing