1R2R

CRYSTAL STRUCTURE OF RABBIT MUSCLE TRIOSEPHOSPHATE ISOMERASE

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		A partially refined dimer of rabbit muscle TIM structure (crystal form B)

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	291	PEG 4000, MgCl2, DMSO, Tris-HCl, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.2	44.17

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.55	α = 90
b = 75.952	β = 90
c = 166.01	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	100	CCD	ADSC QUANTUM 4	Toroidal Zerodur mirror	2001-06-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2	0.9330	ESRF	ID14-2

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	1.5	33	88.7	0.066	18.34	3.81	152459	135276		2

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	1.5	1.52	65.8		0.327	2.25	2.06	6005

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	A partially refined dimer of rabbit muscle TIM structure (crystal form B)	1.5	32.79	127887	6747	89.1	0.16091	0.16091	0.15942	0.18954	RANDOM	11.459

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]
-0.28			-0.44		0.72

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.844
r_scangle_it	3.426
r_scbond_it	2.074
r_angle_refined_deg	1.393
r_mcangle_it	1.341
r_angle_other_deg	0.834
r_mcbond_it	0.764
r_symmetry_vdw_other	0.264
r_nbd_other	0.255
r_symmetry_vdw_refined	0.248
r_nbd_refined	0.215
r_symmetry_hbond_refined	0.208
r_xyhbond_nbd_refined	0.174
r_nbtor_other	0.085
r_chiral_restr	0.084
r_bond_refined_d	0.011
r_gen_planes_refined	0.006
r_bond_other_d	0.003
r_gen_planes_other	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7469
Nucleic Acid Atoms
Solvent Atoms	1151
Heterogen Atoms	93

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing