4P05

Bacterial arylsulfate sulfotransferase (ASST) H436N mutant with 4-nitrophenyl sulfate (PNS) in the active site

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3ELQ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	Sitting drop vapor diffusion method by equilibrating 1.5 ?l of protein solution (22 mg/ml, in 20 mM 4-morpholinepropanesulfonic acid/NaOH pH 7.5, 100 mM NaCl) with 0.5 ?l of reservoir solution consisting of 1.8 M Li2SO4 and 100 mM cacodylic acid/NaOH pH 6.5.

Crystal Properties
Matthews coefficient	Solvent content
3.68	66.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 181.017	α = 90
b = 181.017	β = 90
c = 99.417	γ = 120

Symmetry
Space Group	P 32 1 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	PIXEL	DECTRIS PILATUS 6M		2012-07-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA	1.000	SLS	X06SA

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	2.05	53	99.9	0.069	0.074	20.1	7.5		115846

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	2.05	2.16	100		0.687	2.8	7.5

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	3ELQ	2.05	50.95	98829	5252	89.73	0.19019	0.18834	0.22482	RANDOM	40.368

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]
-1.8	-1.8		-1.8		5.84

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.42
r_dihedral_angle_4_deg	14.286
r_dihedral_angle_3_deg	13.774
r_dihedral_angle_1_deg	7.014
r_angle_refined_deg	1.764
r_angle_other_deg	1.469
r_chiral_restr	0.118
r_bond_refined_d	0.023
r_bond_other_d	0.01
r_gen_planes_refined	0.01
r_gen_planes_other	0.004
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_mcbond_it
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scbond_it
r_scbond_other
r_scangle_it
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	8904
Nucleic Acid Atoms
Solvent Atoms	604
Heterogen Atoms	43

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SCALA	data scaling
XDS	data scaling
PHASER	phasing