Experiment: 5AWL

CRYSTAL STRUCTURE OF A MUTANT OF CHIGNOLIN, CLN025

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5	283	using 2 uL drop of protein at 5 mg/mL in a solution of 35.7 mM sodium citrate-citric acid buffer (pH 5.0) containing 14.5% saturated ammonium sulfate against a crystallization well solution of 71.4 mM sodium citrate-citric acid buffer (pH 5.0) containing 29% saturated ammonium sulfate.

Crystal Properties
Matthews coefficient	Solvent content
1.4	14.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 19.246	α = 90
b = 33.597	β = 90
c = 11.551	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	290	CCD	BRUKER SMART 6000	OSMIC CONFOCAL MAX-FLUX	2005-12-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	MACSCIENCE	1.54

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	1.11	16.8	95.9	0.057	26.4	6.5		3094

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	1.11	1.71	88.9		0.203	5	4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	AB INITIO PHASING	FREE R-VALUE	1.11	16.8	3087	3080	287	95.7	0.088		0.0914	0.1188	RANDOM

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
	73	103.5

RMS Deviations
Key	Refinement Restraint Deviation
s_anti_bump_dis_restr	0.193
s_approx_iso_adps	0.11
s_non_zero_chiral_vol	0.1
s_zero_chiral_vol	0.079
s_similar_adp_cmpnt	0.035
s_angle_d	0.026
s_from_restr_planes	0.0215
s_bond_d	0.016
s_rigid_bond_adp_cmpnt	0.006
s_similar_dist

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	93
Nucleic Acid Atoms
Solvent Atoms	12
Heterogen Atoms

Software

Software
Software Name	Purpose
SAINT	data processing
SnB	phasing
CNS	refinement
SMART6000	data reduction
SAINTPLUS	data scaling
SHELXL-97	refinement