2CFU

Crystal structure of SdsA1, an alkylsulfatase from Pseudomonas aeruginosa, in complex with 1-decane-sulfonic-acid.

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2CG3	PDB ENTRY 2CG3

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6		12% PEG 4000,10 % ISO-PROPANOL, 200 MM LICL,100 MM CITRATE PH6, pH 6.00

Crystal Properties
Matthews coefficient	Solvent content
2.6	52.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 86.057	α = 90
b = 86.057	β = 90
c = 364.413	γ = 120

Symmetry
Space Group	P 65 2 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	MARRESEARCH		2005-06-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA		SLS	X06SA

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	1.9	50	98	0.12	12	6.8		68233		3

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	1.9	1.95	98		0.52	3.1	7

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 (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 ENTRY 2CG3	1.9	74.54	60052	3232	98.4	0.174	0.171	0.17	0.217	0.22	RANDOM	19.91

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]
-0.65	-0.32		-0.65		0.97

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.801
r_dihedral_angle_4_deg	16.82
r_dihedral_angle_3_deg	12.307
r_dihedral_angle_1_deg	4.109
r_scangle_it	3.955
r_mcangle_it	3.083
r_scbond_it	2.902
r_mcbond_it	2.436
r_angle_refined_deg	1.482
r_nbtor_refined	0.304
r_nbd_refined	0.194
r_symmetry_vdw_refined	0.171
r_symmetry_hbond_refined	0.148
r_xyhbond_nbd_refined	0.134
r_chiral_restr	0.122
r_metal_ion_refined	0.051
r_bond_refined_d	0.016
r_gen_planes_refined	0.008
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4906
Nucleic Acid Atoms
Solvent Atoms	537
Heterogen Atoms	76

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling