1AID

STRUCTURE OF A NON-PEPTIDE INHIBITOR COMPLEXED WITH HIV-1 PROTEASE: DEVELOPING A CYCLE OF STRUCTURE-BASED DRUG DESIGN

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.4		pH 5.4

Crystal Properties
Matthews coefficient	Solvent content
2.93	57.97

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.2	α = 90
b = 50.2	β = 90
c = 100.4	γ = 90

Symmetry
Space Group	P 41

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	287	AREA DETECTOR	SIEMENS		1992-05-19	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH3R

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	2.2	100	93	0.063	0.063		2.9		9988

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 3HVP	2.2	7	9988		93	0.174	0.174

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]

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	27
x_angle_deg	2.93
x_improper_angle_d	1.34
x_bond_d	0.011
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1516
Nucleic Acid Atoms
Solvent Atoms	77
Heterogen Atoms	30

Software

Software
Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
BUDDHA	data reduction
XENGEN	data scaling
X-PLOR	phasing