1ZPK

Crystal structure of the complex of mutant HIV-1 protease (A71V, V82T, I84V) with a hydroxyethylamine peptidomimetic inhibitor BOC-PHE-PSI[R-CH(OH)CH2NH]-PHE-GLU-PHE-NH2

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	microseeding	4.4	298	0.5 M NaCl, 0.1 M Na Citrate, 10% Glycerol, pH 4.4, microseeding, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.1	41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.483	α = 90
b = 62.483	β = 90
c = 82.412	γ = 120

Symmetry
Space Group	P 61

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	MARRESEARCH	microfocusing mirrors - testing	2000-04-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-1	0.934	ESRF	ID14-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.65	30	99.9	0.039	0.039	48.4	6.9	21955	21955		-999	24.9

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.65	1.69	99.8		0.37	0.37	2.3	3	1464

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1A9M	1.65	10	21836	21836	1090	99.9	0.1586	0.1586	0.1559	0.2528	RANDOM	41.4

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
21	1645	1701.5

RMS Deviations
Key	Refinement Restraint Deviation
s_similar_adp_cmpnt	0.072
s_similar_dist	0.047
s_non_zero_chiral_vol	0.043
s_zero_chiral_vol	0.037
s_angle_d	0.026
s_from_restr_planes	0.0257
s_bond_d	0.007
s_anti_bump_dis_restr	0.007
s_rigid_bond_adp_cmpnt	0.002
s_approx_iso_adps

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1526
Nucleic Acid Atoms
Solvent Atoms	160
Heterogen Atoms	53

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
SHELXL-97	refinement

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.