Experiment: 2Y1L

Caspase-8 in Complex with DARPin-8.4

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1QDU	PDB ENTRIES 1QDU AND 2QYJ
experimental model	PDB	2QYJ	PDB ENTRIES 1QDU AND 2QYJ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.8		100 MM CITRIC ACID PH 4.9 (RT), 200 MM LI2SO4, 22.5% PEG 4K.

Crystal Properties
Matthews coefficient	Solvent content
2.01	38

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61	α = 90
b = 81.6	β = 90
c = 163.2	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	90	PIXEL	DECTRIS PILATUS 6M		2010-04-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA		SLS	X06SA

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	1.8	48.86	99.4	0.1	13.29	4.9		75862		3.76	17.41

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	1.8	1.85	98.9		0.51	3.76	4.88

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRIES 1QDU AND 2QYJ	1.8	48.857	1.34	75836	3812	99.37	0.182	0.1801	0.1821	0.2178	0.2178

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]
-0.081			-0.2874		0.3685

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.001
f_angle_d	1.201
f_chiral_restr	0.061
f_bond_d	0.009
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6203
Nucleic Acid Atoms
Solvent Atoms	685
Heterogen Atoms	35

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing