3FLA

RifR - Type II thioesterase from Rifamycin NRPS/PKS biosynthetic pathway - Form 1

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	277	100 mM HEPES pH 7.0, 12% PEG 8000, 50 mM CaCl2, 2 mM DTT , VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
1.99	38.33

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 39.507	α = 90
b = 94.648	β = 90.55
c = 63.174	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	IMAGE PLATE	MAR scanner 300 mm plate		2007-08-13	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	0.97942, 0.97959, 0.95446	APS	23-ID-D

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	97.8	0.115	10.5	3.6	86174	39950

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.8	1.86	87.5		0.54	1.5	2.5

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	MAD	THROUGHOUT	1.8	50	39950	2126	97.69	0.1735	0.17192	0.20241	RANDOM	19.082

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]
0.5		0.13	-0.45		-0.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	24.964
r_dihedral_angle_4_deg	15.235
r_dihedral_angle_3_deg	13.794
r_scangle_it	6.819
r_dihedral_angle_1_deg	5.117
r_scbond_it	4.784
r_mcangle_it	3.917
r_mcbond_it	3.385
r_angle_refined_deg	1.199
r_nbtor_refined	0.303
r_nbd_refined	0.201
r_symmetry_vdw_refined	0.174
r_xyhbond_nbd_refined	0.131
r_symmetry_hbond_refined	0.128
r_chiral_restr	0.085
r_bond_refined_d	0.009
r_gen_planes_refined	0.004
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	3810
Nucleic Acid Atoms
Solvent Atoms	481
Heterogen Atoms	2

Software

Software
Software Name	Purpose
Blu-Ice	data collection
SOLVE	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling