1HPO

HIV-1 PROTEASE TRIPLE MUTANT/U103265 COMPLEX

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.4		CRYSTALS WERE GROWN AT ROOM TEMPERATURE IN 10 UL HANGING DROPS OF EQUAL VOLUMES OF PROTEIN/INHIBITOR COMPLEX AND THE PRECIPITANT OF 0.75, 1.0 1.5 2.0 M NACL AT PH'S 4.8, 5.0 AND 5.2 (0.1 M ACETATE BUFFER) AND AT PH'S 5.4, 5.6 AND 5.8 (0.1 M CITRATE BUFFER)., vapor diffusion - hanging drop

Crystal Properties
Matthews coefficient	Solvent content
2.88	57.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 60.543	α = 90
b = 88.416	β = 90
c = 46.484	γ = 90

Symmetry
Space Group	P 21 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	298	AREA DETECTOR	SIEMENS		1994-02-28	M

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

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	2.5	10	98.8	0.132	8.2	7		9119

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	2.5	2.64	92.5		0.534	2.2	5.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	2.5	10	2	7560		82.9	0.179

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]

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1491
Nucleic Acid Atoms
Solvent Atoms	164
Heterogen Atoms	36

Software

Software
Software Name	Purpose
MERLOT	phasing
CEDAR	refinement
XENGEN	data reduction
XENGEN	data scaling

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.