4TVH

HIV Protease (PR) dimer in closed form with TL-3 in active site and fragment AK-2097 in the outside/top of flap

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3KFR

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6	298	2.4M NaFormate, 10% DMSO, pH4.6 NaOAc

Crystal Properties
Matthews coefficient	Solvent content
2.05	40

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 28.916	α = 90
b = 66.295	β = 90
c = 92.175	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	APEX II CCD		2011-01-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	BRUKER AXS MICROSTAR	1.5418 A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.195	53.82	98.3	10.02	3.6		9437

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	2.195	2.24			0.34	2.29	1.73

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3KFR	2.195	31.19	9437	451	98.36	0.1871	0.1837	0.2595	RANDOM	19.2

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]
0.01			0.04		-0.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	43.285
r_dihedral_angle_4_deg	19.823
r_dihedral_angle_3_deg	14.938
r_dihedral_angle_1_deg	7.264
r_mcangle_it	2.412
r_angle_refined_deg	1.948
r_mcbond_other	1.489
r_mcbond_it	1.488
r_angle_other_deg	1.377
r_chiral_restr	0.092

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	43.285
r_dihedral_angle_4_deg	19.823
r_dihedral_angle_3_deg	14.938
r_dihedral_angle_1_deg	7.264
r_mcangle_it	2.412
r_angle_refined_deg	1.948
r_mcbond_other	1.489
r_mcbond_it	1.488
r_angle_other_deg	1.377
r_chiral_restr	0.092
r_bond_refined_d	0.014
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1516
Nucleic Acid Atoms
Solvent Atoms	59
Heterogen Atoms	89

Software

Software
Software Name	Purpose
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
PHASER	phasing
PROTEUM	data reduction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729.