1NME

Structure of Casp-3 with tethered salicylate

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.19	43.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 69.488	α = 90
b = 83.598	β = 90
c = 95.6	γ = 90

Symmetry
Space Group	I 2 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU RAXIS IV		1999-05-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU300	1.5418

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	1.6	20	95.9	0.043	15.4		37098	37098

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1CP3	1.6	20	35558	35558	3623	96.06	0.1758	0.17553	0.17219	0.20528	RANDOM	18.819

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]
0.42			-0.11		-0.31

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	12.948
r_dihedral_angle_1_deg	5.96
r_scangle_it	4.842
r_mcangle_it	3.385
r_scbond_it	3.187
r_mcbond_it	2.202
r_angle_refined_deg	1.24
r_nbd_refined	0.21
r_symmetry_vdw_refined	0.178
r_symmetry_hbond_refined	0.128
r_xyhbond_nbd_refined	0.126
r_chiral_restr	0.094
r_bond_refined_d	0.01
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1929
Nucleic Acid Atoms
Solvent Atoms	303
Heterogen Atoms	30

Software

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