1DRW

ESCHERICHIA COLI DHPR/NHDH COMPLEX

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1DRU	DHPR-NADPH COMPLEX

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		2.2M (NH4)2SO4 IN 100 MM HEPES, PH 7.5

Crystal Properties
Matthews coefficient	Solvent content
2.63	62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 75.6	α = 90
b = 81.7	β = 90
c = 93.8	γ = 90

Symmetry
Space Group	I 2 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	290	AREA DETECTOR	SIEMENS		1994-12-07	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

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	2	20	74.3	0.061	9.9	3		14125

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	2	2.1	30		0.228	2.5	1.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Free (Depositor)	Mean Isotropic B
X-RAY DIFFRACTION	DIFFERENCE FOURIER	DHPR-NADPH COMPLEX	2.2	20	2	12405		82	0.18

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]

RMS Deviations
Key	Refinement Restraint Deviation
t_dihedral_angle_d	20.7
t_it	3.93
t_angle_deg	1.77
t_nbd	0.07
t_gen_planes	0.05
t_trig_c_planes	0.03
t_bond_d	0.02
t_incorr_chiral_ct
t_pseud_angle

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1980
Nucleic Acid Atoms
Solvent Atoms	81
Heterogen Atoms	44

Software

Software
Software Name	Purpose
PHASES	phasing
TNT	refinement
XENGEN	data reduction
XENGEN	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.