8Q1O

S-layer protein SlpA from Lactobacillus amylovorus, domain I (aa 32-209), important for Self-assembly

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293.15	Protein stock solution of 15 mg/mL in 20 mM Hepes pH 8 and 100 mM NaCl; Condition: 1.0 M Ammonium formate, 0.1 M Sodium acetate pH 5.0, 8 % w/v PGA with protein end concentration of 7.5 mg/mL corresponding to 50% of protein solution in the 1.0 uL drop

Crystal Properties
Matthews coefficient	Solvent content
3.24	62.01

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 133.194	α = 90
b = 43.854	β = 95.498
c = 86.384	γ = 90

Symmetry
Space Group	C 1 2 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	PIXEL	DECTRIS PILATUS 6M		2019-05-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PETRA III, DESY BEAMLINE P11	1.004700	PETRA III, DESY	P11

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	3.4	42.993	99.3	0.201	0.278	0.191	0.985	5.2	3.3		7031

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3.4	3.67			0.643	0.883	0.603	0.854		3.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	FREE R-VALUE	3.401	42.993	6996	334	98.702	0.254	0.2506	0.3306	74.477

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]
-2.589		-9.292	6.019		-1.612

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_6_deg	14.328
r_dihedral_angle_3_deg	14.244
r_lrange_it	13.061
r_lrange_other	13.054
r_mcangle_other	9.369
r_mcangle_it	9.368
r_dihedral_angle_1_deg	8.838
r_scangle_it	8.59
r_scangle_other	8.433
r_mcbond_it	5.642
r_mcbond_other	5.628
r_scbond_it	4.964
r_scbond_other	4.856
r_dihedral_angle_2_deg	3.164
r_angle_refined_deg	1.223
r_angle_other_deg	0.424
r_symmetry_xyhbond_nbd_refined	0.346
r_symmetry_nbd_refined	0.306
r_nbd_other	0.259
r_ncsr_local_group_1	0.207
r_nbd_refined	0.198
r_symmetry_nbd_other	0.198
r_nbtor_refined	0.17
r_xyhbond_nbd_refined	0.17
r_symmetry_xyhbond_nbd_other	0.102
r_symmetry_nbtor_other	0.084
r_chiral_restr	0.057
r_gen_planes_refined	0.005
r_bond_refined_d	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2676
Nucleic Acid Atoms
Solvent Atoms	16
Heterogen Atoms	10

Software

Software
Software Name	Purpose
REFMAC	refinement
REFMAC	refinement
XDS	data reduction
pointless	data scaling
PHASER	phasing