2P3C

Crystal Structure of the subtype F wild type HIV protease complexed with TL-3 inhibitor

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		Crystal Structure of the multi-drug resistant mutant subtype B HIV protease complexed with TL-3 inhibitor

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.2	291	0.8M ammonium sulfate, 0.1M sodium cacodylate. The crystals nucleated at 277K and were transfered to 291K for further growth. The protein to well proportion was 2:1, pH 6.2, VAPOR DIFFUSION, HANGING DROP

Crystal Properties
Matthews coefficient	Solvent content
2.05	39.99

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.425	α = 90
b = 61.425	β = 90
c = 80.892	γ = 120

Symmetry
Space Group	P 61

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	MAR CCD 165 mm			M	SINGLE WAVELENGTH
2	1	x-ray		M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	LNLS BEAMLINE D03B-MX1		LNLS	D03B-MX1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.1	53.225	99.7	0.046	0.046	10.8	2.5		10162

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1,2	2.1	2.21	99.8		0.318	0.318	2.1	2.4	1491

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	Crystal Structure of the multi-drug resistant mutant subtype B HIV protease complexed with TL-3 inhibitor	2.1	25.27	10121	1008	99.67	0.201	0.194	0.265	RANDOM	35.515

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]
-0.01	-0.01		-0.01		0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	44.814
r_dihedral_angle_4_deg	25.096
r_dihedral_angle_3_deg	18.909
r_sphericity_bonded	14.499
r_dihedral_angle_1_deg	7.07
r_scangle_it	3.333
r_mcangle_it	2.749
r_scbond_it	2.391
r_rigid_bond_restr	1.689
r_angle_refined_deg	1.593
r_mcbond_it	1.546
r_nbtor_refined	0.322
r_symmetry_vdw_refined	0.243
r_nbd_refined	0.231
r_xyhbond_nbd_refined	0.201
r_symmetry_hbond_refined	0.131
r_chiral_restr	0.086
r_bond_refined_d	0.013
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1504
Nucleic Acid Atoms
Solvent Atoms	117
Heterogen Atoms	78

Software

Software
Software Name	Purpose
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345	data collection
MOSFLM	data reduction
CCP4	data scaling
PHASER	phasing