3BFX

Crystal structure of human sulfotransferase SULT1C1 in complex with PAP

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1XV1	PDB entry 1XV1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	6.5	297	1.0M Na Citrate, 0.1M Cacodylate, pH 6.5, VAPOR DIFFUSION, temperature 297K

Crystal Properties
Matthews coefficient	Solvent content
2.19	43.93

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.824	α = 90
b = 40.536	β = 91.83
c = 154.612	γ = 90

Symmetry
Space Group	P 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	CCD	ADSC QUANTUM 4	Si 111	2005-07-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-ID	0.97972	APS	17-ID

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	1.8	50	95.6	0.042	0.042	13.4	4.7	54077	54077			22.4

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.8	1.83	70.2		0.205	0.205	4	3.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1XV1	1.8	50	52393	52393	1670	95.5	0.184	0.184	0.183	0.227	RANDOM	27.29

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]
2.02		1.35	-0.58		-1.35

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.606
r_dihedral_angle_4_deg	18.625
r_dihedral_angle_3_deg	15.579
r_dihedral_angle_1_deg	5.776
r_scangle_it	4.022
r_scbond_it	2.588
r_mcangle_it	1.677
r_angle_refined_deg	1.533
r_mcbond_it	1.1
r_nbtor_refined	0.312
r_nbd_refined	0.213
r_symmetry_vdw_refined	0.193
r_xyhbond_nbd_refined	0.173
r_symmetry_hbond_refined	0.13
r_chiral_restr	0.111
r_bond_refined_d	0.015
r_gen_planes_refined	0.006
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_refined
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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4225
Nucleic Acid Atoms
Solvent Atoms	512
Heterogen Atoms	54

Software

Software
Software Name	Purpose
MOLREP	phasing
REFMAC	refinement
Coot	model building
ADSC	data collection
HKL-2000	data reduction
SCALEPACK	data scaling