4F73

Crystal Structure of active HIV-1 Protease in Complex with the N terminal product of CA-p2 cleavage site

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.2	295	126mM Phosphate buffer pH 6.2, 63mM Sodium Citrate, 24-31% Ammonium Sulfate, hanging drop, vapor diffusion, temperature 295K, VAPOR DIFFUSION, HANGING DROP

Crystal Properties
Matthews coefficient	Solvent content
2	38.62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.788	α = 90
b = 58.327	β = 90
c = 61.636	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	CCD	ADSC QUANTUM 315		2010-07-15		SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-BM-C	0.9	APS	14-BM-C

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	50	99.9	0.086	9.3	7.7		14927

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	1.9	1.97	100		0.426		7.9	1457

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	1.9	42.36	14809	754	99.32	0.17	0.1674	0.2225	RANDOM	25.3862

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]
-1.03			-0.04		1.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.788
r_dihedral_angle_4_deg	21.738
r_dihedral_angle_3_deg	13.012
r_dihedral_angle_1_deg	5.795
r_scangle_it	2.839
r_scbond_it	1.83
r_angle_refined_deg	1.403
r_mcangle_it	1.119
r_angle_other_deg	0.848
r_mcbond_it	0.646

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.788
r_dihedral_angle_4_deg	21.738
r_dihedral_angle_3_deg	13.012
r_dihedral_angle_1_deg	5.795
r_scangle_it	2.839
r_scbond_it	1.83
r_angle_refined_deg	1.403
r_mcangle_it	1.119
r_angle_other_deg	0.848
r_mcbond_it	0.646
r_mcbond_other	0.201
r_chiral_restr	0.088
r_bond_refined_d	0.009
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1538
Nucleic Acid Atoms
Solvent Atoms	83
Heterogen Atoms	10

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.