4Q1X

Mutations Outside the Active Site of HIV-1 Protease Alter Enzyme Structure and Dynamic Ensemble of the Active Site to Confer Drug Resistance

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.2	295	126mM Phosphate buffer, 63mM Sodium Citrate, 24-29% Ammonium Sulfate, pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.12	41.85

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.906	α = 90
b = 58.277	β = 90
c = 61.775	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU RAXIS IV	OSMIC Mirrors	2008-09-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.5418

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	1.9	42.41	93.86	0.063	15.2	7.1	14168	14168	3	3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.9	1.97	91.4			7.1	1346

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	Number Reflections (All)	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	1.9	42.41	3	3	15063	13416	719	93.86	0.18289	0.1802	0.2341	RANDOM	27.975

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]
-0.67			0.34		0.33

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	42.57
r_dihedral_angle_4_deg	21.123
r_dihedral_angle_3_deg	11.073
r_dihedral_angle_1_deg	6.092
r_scangle_it	2.133
r_scbond_it	1.475
r_angle_refined_deg	1.474
r_mcangle_it	0.96
r_angle_other_deg	0.856
r_mcbond_it	0.707
r_symmetry_vdw_other	0.199
r_nbd_other	0.197
r_symmetry_hbond_refined	0.189
r_nbd_refined	0.186
r_symmetry_vdw_refined	0.186
r_mcbond_other	0.176
r_nbtor_refined	0.17
r_xyhbond_nbd_refined	0.13
r_chiral_restr	0.088
r_nbtor_other	0.084
r_bond_refined_d	0.008
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1488
Nucleic Acid Atoms
Solvent Atoms	93
Heterogen Atoms	49

Software

Software
Software Name	Purpose
REFMAC	refinement
StructureStudio	data collection
HKL-2000	data reduction
HKL-2000	data scaling
AMoRE	phasing