1SW7

Triosephosphate isomerase from Gallus gallus, loop 6 mutant K174N, T175S, A176S

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1SW3

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	295	2.6M ammonium sulfate, 0.1M Na-citrate, 0.2M NaCl, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.91	57.68

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 87.218	α = 90
b = 87.218	β = 90
c = 162.942	γ = 90

Symmetry
Space Group	P 41 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	295	IMAGE PLATE	MARRESEARCH	mirrors		M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ENRAF-NONIUS	1.5418

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	2.22	20	100				31858		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.22	2.3	100

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1sw3	2.22	20	30185	1603	99.99	0.1971	0.19503	0.23589	RANDOM	12.972

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			-0.42		0.85

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.319
r_scangle_it	2.518
r_scbond_it	1.528
r_angle_refined_deg	1.309
r_mcangle_it	0.828
r_angle_other_deg	0.814
r_symmetry_hbond_refined	0.499
r_mcbond_it	0.437
r_symmetry_vdw_refined	0.387
r_symmetry_vdw_other	0.35
r_nbd_other	0.246
r_nbd_refined	0.21
r_xyhbond_nbd_refined	0.193
r_nbtor_other	0.084
r_chiral_restr	0.072
r_bond_refined_d	0.012
r_gen_planes_refined	0.005
r_gen_planes_other	0.004
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3708
Nucleic Acid Atoms
Solvent Atoms	287
Heterogen Atoms	18

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
CCP4	data scaling
AMoRE	phasing