7SA8

Crystal Structure of the periplasmic lyase AlgL K66A Mutant

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		293	0.275 M K2SO4, 19% (w/v) PEG 3350, and 0.1 M HEPES pH 6.9. Crystals were cryoprotected by soaking for 10 min with 2 mM mannuronate tetrasaccharide and 20% (v/v) PEG 4000.

Crystal Properties
Matthews coefficient	Solvent content
1.9	35.16

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.736	α = 90
b = 67.496	β = 90
c = 76.216	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	100	CMOS	BRUKER PHOTON 100		2015-05-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SEALED TUBE	BRUKER D8 QUEST	1.5406

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	2.5	20.305	99.3	0.098	16	10.3		10903

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	2.5	2.6	100		0.435

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	4OZV	2.5	20.305	10332	571	99.299	0.247	0.2461	0.2689	39.375

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]
-0.699			1.296		-0.597

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.293
r_dihedral_angle_4_deg	17.024
r_dihedral_angle_3_deg	15.638
r_lrange_it	6.771
r_lrange_other	6.771
r_dihedral_angle_1_deg	6.151
r_mcangle_other	2.495
r_mcangle_it	2.494
r_scangle_it	2.421
r_scangle_other	2.413
r_angle_refined_deg	1.503
r_mcbond_it	1.46
r_mcbond_other	1.451
r_scbond_it	1.395
r_scbond_other	1.393
r_angle_other_deg	1.273
r_symmetry_xyhbond_nbd_refined	0.262
r_nbd_other	0.202
r_nbd_refined	0.2
r_symmetry_nbd_other	0.188
r_nbtor_refined	0.163
r_xyhbond_nbd_refined	0.16
r_symmetry_nbd_refined	0.125
r_symmetry_xyhbond_nbd_other	0.098
r_symmetry_nbtor_other	0.081
r_chiral_restr	0.066
r_bond_refined_d	0.007
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2432
Nucleic Acid Atoms
Solvent Atoms	38
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
PROTEUM PLUS	data reduction
PROTEUM PLUS	data scaling
PHASER	phasing