5TKW

1.35 Angstrom Resolution Crystal Structure of a Pullulanase-specific Type II Secretion System Integral Cytoplasmic Membrane Protein GspL (N-terminal fragment; residues 1-237) from Klebsiella pneumoniae.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	295	Protein: 8.9 mg/ml, 0.5M Sodium chloride, 0.1M Tris HCl (pH 8.3);Screen: Classics II (A5), 2.0M Ammonium sulfate, 0.1M HEPES (pH 7.5);Cryo: 2.0M Ammonium sulfate, 25% Sucrose.

Crystal Properties
Matthews coefficient	Solvent content
1.98	37.75

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.901	α = 90
b = 81.579	β = 90
c = 40.231	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	CCD	MARMOSAIC 300 mm CCD	C(111)	2016-08-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-F	0.97872	APS	21-ID-F

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	1.35	30	99.4	0.069	0.069	45.9	6.7		46935		-3	16.7

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.35	1.37	95.4		0.733	0.629	2.03	3.8

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.35	29.75	44414	2324	99.44	0.1478	0.14631	0.17629	RANDOM	21.587

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]
-0.83			1.12		-0.29

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.212
r_sphericity_free	31.621
r_dihedral_angle_3_deg	10.416
r_dihedral_angle_4_deg	10.169
r_sphericity_bonded	7.615
r_dihedral_angle_1_deg	4.503
r_long_range_B_refined	3.327
r_long_range_B_other	2.872
r_scangle_other	1.79
r_mcangle_it	1.697
r_mcangle_other	1.697
r_angle_refined_deg	1.49
r_scbond_it	1.392
r_scbond_other	1.384
r_mcbond_other	1.299
r_mcbond_it	1.298
r_rigid_bond_restr	1.096
r_angle_other_deg	0.89
r_chiral_restr	0.1
r_gen_planes_refined	0.021
r_gen_planes_other	0.017
r_bond_refined_d	0.008
r_bond_other_d	0.002
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1853
Nucleic Acid Atoms
Solvent Atoms	238
Heterogen Atoms	3

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
HKL-3000	phasing