1DFI

X-RAY STRUCTURE OF ESCHERICHIA COLI ENOYL REDUCTASE WITH BOUND NAD

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1ENO	BRASSICA NAPUS ENR (PDB ENTRY 1ENO)

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5		12% PEG 400, PH 5.0 ACETATE, 10MM NAD

Crystal Properties
Matthews coefficient	Solvent content
2.11	41.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74	α = 90
b = 81.2	β = 92.9
c = 79	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	298	IMAGE PLATE	MARRESEARCH		1995-07-22	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX7.2		SRS	PX7.2

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	2.08	26.35	93.1	0.057	8.2	2.2		51902			33

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)
	2.08	2.14	71.4		0.104	4.6	1.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT AND ISOMORPHOUS REPLACEMENT	BRASSICA NAPUS ENR (PDB ENTRY 1ENO)	2.09	10	52346	52346		93	0.162

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	16.461
t_incorr_chiral_ct	2
t_angle_deg	1.503
t_nbd	0.188
t_gen_planes	0.018
t_bond_d	0.013
t_trig_c_planes	0.012
t_pseud_angle
t_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7336
Nucleic Acid Atoms
Solvent Atoms	327
Heterogen Atoms	176

Software

Software
Software Name	Purpose
CCP4	model building
TNT	refinement
MOSFLM	data reduction
Agrovata	data scaling
CCP4	phasing

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.