1OB5

T. aquaticus elongation factor EF-Tu complexed with the antibiotic enacyloxin IIa, a GTP analog, and Phe-tRNA

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1LD1	PDB ENTRY 1LD1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.8		1.8M AMMONIUM SULPHATE, 10 MM MAGNESIUM CHLORIDE,20 MM TRIS-MES, PH 6.4

Crystal Properties
Matthews coefficient	Solvent content
3.6	64

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 212.57	α = 90
b = 122.33	β = 121.3
c = 135.68	γ = 90

Symmetry
Space Group	C 1 2 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		2002-04-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X13		EMBL/DESY, HAMBURG	X13

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	3.33	30	99.9	0.12	12	6.3		48311		-3	68.3

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	3.3	3.38	99.9		0.518	4.6	5.7

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1LD1	3.1	29.54	53684	1581	99.5	0.2796	0.2796	0.26	0.294	0.28	RANDOM	76.5

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]
-7.972		13.061	-27.052		35.024

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	27.5
c_scangle_it	11.742
c_mcangle_it	9.474
c_scbond_it	8.121
c_mcbond_it	5.787
c_angle_deg	1.6
c_improper_angle_d	1.46
c_bond_d	0.011
c_bond_d_na
c_bond_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9318
Nucleic Acid Atoms	4989
Solvent Atoms
Heterogen Atoms	240

Software

Software
Software Name	Purpose
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	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.