1CP3

CRYSTAL STRUCTURE OF THE COMPLEX OF APOPAIN WITH THE TETRAPEPTIDE INHIBITOR ACE-DVAD-FMC

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
in silico model	Other		A HOMOLOGY MODEL WAS USED

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.4	277	HANGING DROP, RESERVOIR: 5% PEG8000, 0.05 M MAGNESIUM ACETATE, 0.09 M SODIUM CACODYLATE, 0.08 M SODIUM SULFATE, PH 6.4, 4 DEG. CELSIUS, vapor diffusion - hanging drop, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.65	51.22

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.9	α = 90
b = 69.1	β = 101.2
c = 93.8	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	277	IMAGE PLATE	MARRESEARCH		1996-02-22	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM1A		ESRF	BM1A

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	2.3	25	83.7	0.069	12.9	1.6		24128

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	2.3	2.5	78.6		0.237	3.7	1.6

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	A HOMOLOGY MODEL WAS USED	2.3	8	24080	2383	83.7	0.188	0.188	0.284	RANDOM	25.5

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	25.68
x_angle_deg	1.714
x_improper_angle_d	1.486
x_bond_d	0.013
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	3828
Nucleic Acid Atoms
Solvent Atoms	346
Heterogen Atoms

Software

Software
Software Name	Purpose
AMoRE	phasing
X-PLOR	refinement
MARXDS	data reduction
MARSCALE	data scaling