4DXF

Crystal structure of Staphylococcal Superantigen-Like protein 4

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2RDH	PDB ENTRIES 2RDH and 2Z8L
experimental model	PDB	2Z8L	PDB ENTRIES 2RDH and 2Z8L

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	291.15	21% MPEG 5000, 0.2M bis-tris propane, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291.15K

Crystal Properties
Matthews coefficient	Solvent content
2.3	46.57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 96.102	α = 90
b = 81.195	β = 105.45
c = 57.301	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	IMAGE PLATE	MAR scanner 345 mm plate	Osmic mirrors	2010-05-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.5418

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	1.7	27.62	99.7	0.058	17.14	9.9		46435			28.8

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	1.7	1.78	99.2		0.698		9.6	6696

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	THROUGHOUT	PDB ENTRIES 2RDH and 2Z8L	1.7	27.62	44078	2345	99.55	0.21126	0.20864	0.2614	RANDOM	29.686

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]
-1.98		-1.72	0.91		0.16

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.412
r_dihedral_angle_4_deg	20.408
r_dihedral_angle_3_deg	14.348
r_dihedral_angle_1_deg	5.9
r_scangle_it	5.554
r_scbond_it	3.423
r_mcangle_it	2.353
r_angle_refined_deg	2.096
r_mcbond_it	1.407
r_chiral_restr	0.157
r_bond_refined_d	0.025
r_gen_planes_refined	0.01
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
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_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3108
Nucleic Acid Atoms
Solvent Atoms	316
Heterogen Atoms	10

Software

Software
Software Name	Purpose
MAR345dtb	data collection
PHASER	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling