4QJ7

Crystal structure of inactive HIV-1 protease variant (I50V/A71V) in complex with p1-p6 substrate variant (R452S)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.2	295	ammonium sulfate, sodium citrate, sodium phosphate, pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.03	39.27

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.597	α = 90
b = 58.162	β = 95.8
c = 61.758	γ = 90

Symmetry
Space Group	P 1 21 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	MARMOSAIC 225 mm CCD		2011-12-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-F	0.979	APS	21-ID-F

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	1.67	50	94.6	0.047	20.77	3	115828	40242		2

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)
1	1.67	1.73	97.2		0.19	5.86	2.9	4101

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	1.67	41.55	115828	38190	2045	94.47	0.18102	0.17845	0.22926	RANDOM	23.218

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]
-0.73		-0.24	0.06		0.68

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.592
r_dihedral_angle_3_deg	13.392
r_dihedral_angle_4_deg	12.76
r_dihedral_angle_1_deg	6.282
r_long_range_B_refined	5.128
r_long_range_B_other	5.128
r_scangle_other	2.798
r_mcangle_it	2.314
r_mcangle_other	2.314
r_scbond_it	1.798
r_scbond_other	1.756
r_angle_refined_deg	1.436
r_mcbond_it	1.412
r_mcbond_other	1.41
r_angle_other_deg	0.722
r_chiral_restr	0.084
r_bond_refined_d	0.009
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3138
Nucleic Acid Atoms
Solvent Atoms	327
Heterogen Atoms	15

Software

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