3UC8

Trp-cage cyclo-TC1 - tetragonal crystal form

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	2.5	298	0.2 M Tris-HCl, 0.2 M magnesium chloride, 2.0 M sodium chloride, pH 2.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
1.75	29.59

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 36.848	α = 90
b = 36.848	β = 90
c = 66.212	γ = 90

Symmetry
Space Group	P 43 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	IMAGE PLATE	RIGAKU RAXIS IV++	mirrors	2008-10-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007	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	1.32	50	86.2	0.032	55.6	10	9797	9797

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	1.32	1.37	29.9		0.096		2.5	330

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3UC7	1.33	36.85	9785	9316	469	87.5	0.1382	0.1355	0.1977	RANDOM	15.3019

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]
0.24			0.24		-0.49

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	27.495
r_dihedral_angle_4_deg	17.735
r_dihedral_angle_3_deg	13.681
r_sphericity_free	11.306
r_scangle_it	6.345
r_scbond_it	5.175
r_sphericity_bonded	4.586
r_dihedral_angle_1_deg	4.241
r_mcangle_it	4.147
r_mcbond_it	3.129
r_rigid_bond_restr	2.579
r_mcbond_other	2.281
r_angle_refined_deg	2.061
r_angle_other_deg	1.153
r_chiral_restr	0.123
r_bond_refined_d	0.025
r_gen_planes_refined	0.011
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	453
Nucleic Acid Atoms
Solvent Atoms	102
Heterogen Atoms	8

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
CrystalClear	data collection