2C8G

Structure of the PN loop Q182A mutant C3bot1 Exoenzyme (Free state, crystal form I)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				22.5% PEG 3350 W/W, 100 MM LI2SO4, 100 MM SODIUM CITRATE PH 3.0, 3-10% MPEG 550 V/V

Crystal Properties
Matthews coefficient	Solvent content
2.48	50.03

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 105.671	α = 90
b = 74.951	β = 102.46
c = 121.199	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					M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-3		ESRF	ID14-3

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	2	39.84	88.7	0.06	16.1	4		55519		2

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 ENTRY 1GZF	2	39.84	52700	2818	100	0.213	0.212	0.247	RANDOM	34.01

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]
1.33		-0.5	0.73		-2.28

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.485
r_scangle_it	2.787
r_scbond_it	1.591
r_angle_refined_deg	1.11
r_mcangle_it	1.093
r_angle_other_deg	0.751
r_mcbond_it	0.568
r_nbd_other	0.229
r_symmetry_hbond_refined	0.209
r_symmetry_vdw_refined	0.2
r_nbd_refined	0.187
r_symmetry_vdw_other	0.163
r_xyhbond_nbd_refined	0.14
r_nbtor_other	0.081
r_chiral_restr	0.069
r_bond_refined_d	0.009
r_bond_other_d	0.008
r_gen_planes_refined	0.004
r_gen_planes_other	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
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	6428
Nucleic Acid Atoms
Solvent Atoms	298
Heterogen Atoms	15

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing