2P3A

Crystal Structure of the multi-drug resistant mutant subtype B 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		The same structure previously solved in space group P6(1)22

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.2	291	6% (v/v) MPD, 0.32M ammonium sulfate, 0.1M sodium cacodylate, pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.03	39.54

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 60.931	α = 90
b = 60.931	β = 90
c = 82.463	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		2004-01-04	M	SINGLE WAVELENGTH

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)	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	1.75	52.78	99.6	0.037	17.8	4.8	17492	17492			26.415

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	1.75	1.84	100		0.348	3.4	4.8	2569

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	The same structure previously solved in space group P6(1)22	1.75	19.2	17467	884	99.63	0.185	0.185	0.183	0.232	RANDOM	30.161

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]
-0.02	-0.01		-0.02		0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.348
r_dihedral_angle_4_deg	19.147
r_dihedral_angle_3_deg	13.121
r_sphericity_bonded	11.754
r_dihedral_angle_1_deg	6.353
r_scangle_it	3.709
r_scbond_it	2.701
r_mcangle_it	2.639
r_rigid_bond_restr	1.829
r_angle_refined_deg	1.777
r_mcbond_it	1.647
r_nbtor_refined	0.33
r_symmetry_hbond_refined	0.289
r_nbd_refined	0.255
r_xyhbond_nbd_refined	0.191
r_symmetry_vdw_refined	0.189
r_chiral_restr	0.095
r_bond_refined_d	0.015
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1518
Nucleic Acid Atoms
Solvent Atoms	186
Heterogen Atoms	66

Software

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