5N8B

CRYSTAL STRUCTURE OF STREPTAVIDIN WITH PEPTIDE AFPDYLAEYHGG

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5	293	0.1M Magnesium chloride 0.1M Sodium citrate pH 5 15% PEG4000

Crystal Properties
Matthews coefficient	Solvent content
2.26	45.59

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.319	α = 90
b = 65.763	β = 103.72
c = 78.133	γ = 90

Symmetry
Space Group	P 1 21 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	PIXEL	DECTRIS PILATUS 6M-F		2015-08-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.77491	SLS	X10SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	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	1.03	75.9	99.5	0.045	0.999	9.44	3.38		235380

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	1.03	1.12	99.7		0.65	0.367		3.33

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	MOLECULAR REPLACEMENT	THROUGHOUT	1.03	75.9	235380	12218	99.7	0.13904	0.13818	0.15537	RANDOM	14.495

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]
0.56		-0.08	-0.41		-0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.556
r_sphericity_free	21.298
r_dihedral_angle_4_deg	15.644
r_dihedral_angle_3_deg	10.181
r_dihedral_angle_1_deg	7.031
r_sphericity_bonded	5.163
r_long_range_B_refined	2.585
r_long_range_B_other	1.701
r_angle_refined_deg	1.369
r_scangle_other	0.989
r_mcangle_it	0.898
r_mcangle_other	0.898
r_angle_other_deg	0.886
r_rigid_bond_restr	0.808
r_scbond_it	0.787
r_scbond_other	0.787
r_mcbond_it	0.658
r_mcbond_other	0.658
r_chiral_restr	0.087
r_bond_refined_d	0.007
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001
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	4013
Nucleic Acid Atoms
Solvent Atoms	964
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
SADABS	data scaling
PHASER	phasing