1GVV

Five Atomic Resolution Structures of Endothiapepsin Inhibitor Complexes; implications for the Aspartic Proteinase Mechanism

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.5		PH 4.50

Crystal Properties
Matthews coefficient	Solvent content
1.95	36.96

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.47	α = 90
b = 74.31	β = 97.46
c = 42.81	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	130	CCD	ADSC CCD		2001-04-01	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)	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	1.05	10	98.3	0.071	5.3	4.9		148992

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	1.05	1.11	99.4		0.14	1.7	3.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	OTHER	THROUGHOUT	1.05	10	133390	7031	98.3	0.116	0.126		0.151	RANDOM

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
s_non_zero_chiral_vol	0.12
s_anti_bump_dis_restr	0.108
s_approx_iso_adps	0.09
s_zero_chiral_vol	0.089
s_angle_d	0.042
s_similar_adp_cmpnt	0.037
s_bond_d	0.02
s_rigid_bond_adp_cmpnt	0.006
s_similar_dist
s_from_restr_planes

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2388
Nucleic Acid Atoms
Solvent Atoms	489
Heterogen Atoms	47

Software

Software
Software Name	Purpose
SHELXL-97	refinement
MOSFLM	data reduction
SCALA	data scaling

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.