3IG1

HIV-1 Reverse Transcriptase with the Inhibitor beta-Thujaplicinol Bound at the RNase H Active Site

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.2	277	50 mM Bicine pH 8.2, 45 mM Ammonium Sulfate, 15 mM Manganese Sulfate, 10 mM Spermine, 5 mM Taurine, 2% PEG 400, 10% PEG 8000 Combined with equal volume of: 10 mM Tris pH 8.0, 75 mM NaCl, 3.5% DMSO, 0.86 mM b-Thujaplicinol, 0.17 mM Reverse Transcriptase, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.69	54.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 164.057	α = 90
b = 71.3	β = 105.13
c = 108.541	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	ADSC QUANTUM 315		2007-09-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X25	1.08	NSLS	X25

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	2.8	35	94.3	0.061	15.3	2.7	28769	28769		-1.1	71.5

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)
	2.8	2.9	77.2		0.489		2.1	2599

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1DLO	2.8	33.75	30078	27627	784	91.9	0.241	0.238	0.238	0.255	RANDOM	89.018

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]
-13.53		6.1	-6.74		20.26

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	25.1
c_scangle_it	8.36
c_mcangle_it	5.87
c_scbond_it	5.38
c_mcbond_it	3.4
c_angle_deg	1.7
c_improper_angle_d	1.24
c_bond_d	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7875
Nucleic Acid Atoms
Solvent Atoms	74
Heterogen Atoms	15

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
CNS	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection

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 R01GM133198.