3C3U

Crystal structure of AKR1C1 in complex with NADP and 3,5-dichlorosalicylic acid

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	295	0.1M MES, 25% Polyglycol monomethylether 550, 0.01M Zinc sulphate, pH6.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.21	44.42

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 39.364	α = 90
b = 84.236	β = 91.26
c = 49.183	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 345 mm plate	Mirrors	2007-12-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU300	1.54179

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	1.8	30	96.3	0.0504	11.5	2.99	27340	26329	1	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)
	1.8	1.86	87.6		0.2299	2.5	2.7	2076

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	Number Reflections (All)	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 1MRQ	1.8	30	1	1	27340	26329	1316	96.22	0.17672	0.17446	0.21761	RANDOM	23.654

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]
-0.53		-0.59	0.92		-0.41

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.992
r_dihedral_angle_4_deg	14.979
r_dihedral_angle_3_deg	12.028
r_dihedral_angle_1_deg	11.616
r_scangle_it	3.361
r_scbond_it	2.325
r_angle_refined_deg	1.564
r_mcangle_it	1.378
r_mcbond_it	0.973
r_nbtor_refined	0.306
r_symmetry_vdw_refined	0.224
r_nbd_refined	0.199
r_xyhbond_nbd_refined	0.177
r_symmetry_hbond_refined	0.14
r_chiral_restr	0.113
r_metal_ion_refined	0.056
r_bond_refined_d	0.017
r_symmetry_metal_ion_refined	0.008
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2592
Nucleic Acid Atoms
Solvent Atoms	328
Heterogen Atoms	61

Software

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