1LQT

A covalent modification of NADP+ revealed by the atomic resolution structure of FprA, a Mycobacterium tuberculosis oxidoreductase

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1E1L

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.6	277	PEG4000, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.52	51.12

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 69.335	α = 90
b = 89.215	β = 90
c = 160.873	γ = 90

Symmetry
Space Group	P 21 21 21

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	MARRESEARCH		2001-07-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X11	1.0	EMBL/DESY, HAMBURG	X11

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.05	20	95.8	0.071	0.071	5.1	2.6	440216	440216

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	1.05	1.11	93.9		0.485	1.6	1.9	62782

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1E1L	1.05	40	440131	440131	2200	95.41	0.1339	0.13393	0.13393	0.153	RANDOM	12.815

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]
0.17			-0.17		0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	15.938
r_sphericity_free	10.895
r_dihedral_angle_1_deg	5.086
r_sphericity_bonded	4.947
r_scangle_it	4.498
r_scbond_it	3
r_mcangle_it	2.172
r_angle_refined_deg	1.747
r_mcbond_it	1.468
r_rigid_bond_restr	1.382
r_nbtor_other	0.987
r_angle_other_deg	0.918
r_symmetry_vdw_refined	0.426
r_nbd_refined	0.395
r_xyhbond_nbd_other	0.307
r_symmetry_hbond_refined	0.302
r_xyhbond_nbd_refined	0.241
r_symmetry_vdw_other	0.239
r_nbd_other	0.213
r_chiral_restr	0.157
r_symmetry_hbond_other	0.094
r_bond_refined_d	0.015
r_gen_planes_other	0.012
r_gen_planes_refined	0.01
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6908
Nucleic Acid Atoms
Solvent Atoms	1864
Heterogen Atoms	248

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
BEAST	model building
REFMAC	refinement
CCP4	data scaling
BEAST	phasing