2BP1

Structure of the aflatoxin aldehyde reductase in complex with NADPH

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP			SITTING DROP RESERVOIR: 0.2 M AMMONIUM CITRATE 20 % PEG3350 PROTEIN: 0.01 M HEPES PH 7.5 0.5 M NACL 5 % GLYCEROL 0.5 % TCEP

Crystal Properties
Matthews coefficient	Solvent content
2.25	45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.989	α = 88.72
b = 78.786	β = 71.14
c = 86.019	γ = 75.22

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	MARRESEARCH	MIRRORS	2005-03-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA		SLS	X10SA

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	2.4	39.98	91	0.08	6.4	1.62		49989		2

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	2.4	2.5	60		0.25	1.9	0.9

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 1GVE	2.4	40	48161	1828	90.4	0.157	0.155	0.205	RANDOM	28.88

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]
-0.49	0.7	0.22	0.43	0.91	-0.48

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.902
r_dihedral_angle_4_deg	18.823
r_dihedral_angle_3_deg	14.866
r_dihedral_angle_1_deg	5.964
r_scangle_it	5.576
r_scbond_it	4.089
r_mcangle_it	2.071
r_mcbond_it	1.505
r_angle_refined_deg	1.402
r_angle_other_deg	1.025
r_xyhbond_nbd_refined	0.208
r_nbd_refined	0.205
r_symmetry_vdw_other	0.202
r_nbd_other	0.181
r_nbtor_refined	0.179
r_symmetry_vdw_refined	0.114
r_symmetry_hbond_refined	0.103
r_nbtor_other	0.087
r_chiral_restr	0.073
r_bond_refined_d	0.013
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.002
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	9951
Nucleic Acid Atoms
Solvent Atoms	540
Heterogen Atoms	244

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
PHASER	phasing