Experiment: 3SIP

Crystal structure of drICE and dIAP1-BIR1 complex

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1I3O

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	291	0.1M Hepes pH7.0, 0.3M(NH4)2SO4, 20% (wt/vol) Polyethylene Glycol 3350 , VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
3.04	59.51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.35	α = 90
b = 148.115	β = 90
c = 156.738	γ = 90

Symmetry
Space Group	I 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	100	CCD	MARMOSAIC 225 mm CCD		2010-06-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL17U	1.25627	SSRF	BL17U

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	3.496	50	100				13767	10.6	2

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	1I3O	3.496	47.091	1.34	13710	720	99.14	0.2122	0.2096	0.2068	0.2556	0.2566

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]
19.9555			-4.4332		-15.5223

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	23.082
f_angle_d	1.405
f_chiral_restr	0.066
f_bond_d	0.042
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5712
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	2

Software

Software
Software Name	Purpose
PHENIX	refinement