1SHJ

Caspase-7 in complex with DICA allosteric inhibitor

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1K88	PDB ENTRY 1K88

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.8	277	citrate, LiSO4, NaCl, pH 5.8, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.69	66.65

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.097	α = 90
b = 91.097	β = 90
c = 184.465	γ = 120

Symmetry
Space Group	P 32 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	93	IMAGE PLATE	RIGAKU RAXIS IV	mirrors	2003-07-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.54

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	2.8	19.98	99	0.062	9.1	2.31		22245			69.4

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.8	2.9	98.6		0.34	2.8	2.32	2228

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	PDB ENTRY 1K88	2.8	20	21868	20738	1130	97.33	0.24635	0.24422	0.28651	RANDOM	61.07

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]
3.16	1.58		3.16		-4.74

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.523
r_mcangle_it	4.091
r_scangle_it	3.661
r_mcbond_it	2.346
r_scbond_it	2.288
r_angle_refined_deg	1.342
r_nbd_refined	0.226
r_symmetry_vdw_refined	0.218
r_xyhbond_nbd_refined	0.16
r_symmetry_hbond_refined	0.131
r_chiral_restr	0.083
r_bond_refined_d	0.009
r_gen_planes_refined	0.003
r_bond_other_d
r_angle_other_deg
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_gen_planes_other
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3324
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	47

Software

Software
Software Name	Purpose
REFMAC	refinement
d*TREK	data reduction
d*TREK	data scaling
AMoRE	phasing