1U8G

Crystal structure of a HIV-1 Protease in complex with peptidomimetic inhibitor KI2-PHE-GLU-GLU-NH2

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.6		50mM MES, 2.4 ammonium sulfate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 255K

Crystal Properties
Matthews coefficient	Solvent content
1.87	33.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.37	α = 90
b = 61.37	β = 90
c = 80.52	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	ADSC QUANTUM 4			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2		ESRF	ID14-2

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	2.2	53.45	99.3			8740	8740

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.201	53.45	8326	413	99.66	0.21103	0.21103	0.20873	0.25864	RANDOM	47.864

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]
2.43	1.22		2.43		-3.65

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	8.272
r_scangle_it	6.841
r_scbond_it	3.99
r_angle_other_deg	3.795
r_angle_refined_deg	2.95
r_mcangle_it	2.658
r_mcbond_it	1.443
r_symmetry_vdw_other	0.319
r_nbd_other	0.285
r_xyhbond_nbd_refined	0.267
r_nbd_refined	0.225
r_symmetry_hbond_refined	0.202
r_chiral_restr	0.195
r_symmetry_vdw_refined	0.164
r_nbtor_other	0.125
r_bond_refined_d	0.017
r_gen_planes_other	0.016
r_gen_planes_refined	0.013
r_bond_other_d

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1549
Nucleic Acid Atoms
Solvent Atoms	17
Heterogen Atoms

Software

Software
Software Name	Purpose
XDS	data scaling
XDS	data reduction
EPMR	phasing
REFMAC	refinement