Experiment: 4F13

Alginate lyase A1-III Y246F complexed with tetrasaccharide

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4E1Y	PDB 4E1Y

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	293	24%(W/V) PEG4000, 0.3M AMMONIUM ACETATE, 0.1M SODIUM CITRATE, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.33	47.11

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 65.571	α = 90
b = 77.56	β = 90
c = 145.678	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	293	CCD	ADSC QUANTUM 4	mirrors	2004-04-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL38B1	1.00	SPring-8	BL38B1

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	2.2	48.733	96.2	0.098	16.7	5.39	37971	36529		2	25.7

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	2.2	2.24	95.9		0.484	3	3.1	3249

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 (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB 4E1Y	2.208	48.733	38051	36472	1835	95.85	0.179	0.1771	0.1733	0.2144	0.2101	RANDOM	31.0681

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]
-2.7695			1.3412		1.4283

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	19.555
f_angle_d	1.305
f_chiral_restr	0.085
f_bond_d	0.01
f_plane_restr	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5555
Nucleic Acid Atoms
Solvent Atoms	269
Heterogen Atoms	73

Software

Software
Software Name	Purpose
HKL-2000	data collection
CNS	refinement
PHENIX	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
CNS	phasing