4QJ2

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

X-RAY DIFFRACTION

---

Crystallization

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

Crystal Properties
Matthews coefficient	Solvent content
2.1	41.57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.185	α = 90
b = 63.341	β = 98.27
c = 58.769	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	RIGAKU SATURN 944		2012-10-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.5418

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	2.14	50	94.5	0.033	27.39	3.5	69174	20171		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	2.14	2.22	92.3		0.086	8.46	3.4	1987

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	2.13	24.98	69174	19120	1026	94.19	0.18626	0.18349	0.23841	RANDOM	26.926

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]
-0.58		-0.48	0.22		0.41

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.476
r_dihedral_angle_3_deg	14.694
r_dihedral_angle_4_deg	11.841
r_dihedral_angle_1_deg	6.46
r_long_range_B_refined	4.534
r_long_range_B_other	4.534
r_angle_refined_deg	1.463
r_mcangle_it	1.265
r_mcangle_other	1.265
r_scangle_other	1.172
r_scbond_it	0.755
r_scbond_other	0.755
r_angle_other_deg	0.752
r_mcbond_it	0.75
r_mcbond_other	0.75
r_chiral_restr	0.08
r_bond_refined_d	0.01
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	3190
Nucleic Acid Atoms
Solvent Atoms	275
Heterogen Atoms	16

Software

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