3DTT

Crystal structure of a putative f420 dependent nadp-reductase (arth_0613) from arthrobacter sp. fb24 at 1.70 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6	277	0.2M ammonium acetate, 30.0% polyethylene glycol 4000, 0.1M sodium acetate pH 4.6, NANODROP', VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
1.94	36.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 40.974	α = 77.43
b = 47.053	β = 73.21
c = 61.125	γ = 64.33

Symmetry
Space Group	P 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	CCD	MARMOSAIC 325 mm CCD	Flat collimating mirror, toroid focusing mirror	2008-06-26	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.91162,0.97951,0.97966	SSRL	BL9-2

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	1.7	58.222	95	0.074	0.074	8.3	2		40912			14.781

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.7	1.79	81.9		0.265	0.265	2.5	2	5141

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	1.7	58.222	40802	2002	94.71	0.162	0.16	0.199	RANDOM	17.554

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]
0.44	0.64	-0.14	-1	-0.14	0.15

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.363
r_dihedral_angle_4_deg	11.966
r_dihedral_angle_3_deg	9.614
r_dihedral_angle_1_deg	3.569
r_scangle_it	3.387
r_scbond_it	2.5
r_angle_refined_deg	1.566
r_mcangle_it	1.381
r_angle_other_deg	1.365
r_mcbond_it	0.923
r_symmetry_vdw_other	0.202
r_nbd_refined	0.172
r_nbtor_refined	0.145
r_mcbond_other	0.143
r_nbd_other	0.142
r_symmetry_vdw_refined	0.109
r_chiral_restr	0.082
r_nbtor_other	0.073
r_symmetry_hbond_refined	0.071
r_xyhbond_nbd_refined	0.07
r_bond_refined_d	0.012
r_gen_planes_refined	0.005
r_bond_other_d	0.003
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3178
Nucleic Acid Atoms
Solvent Atoms	547
Heterogen Atoms	105

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SOLVE	phasing
MolProbity	model building
SCALA	data scaling
PDB_EXTRACT	data extraction
MOSFLM	data reduction