3H9U

S-adenosyl homocysteine hydrolase (SAHH) from Trypanosoma brucei

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2GU1	PDB ENTRY 2Gu1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP			VAPOR DIFFUSION, SITTING DROP

Crystal Properties
Matthews coefficient	Solvent content
3.03	59.43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.35	α = 90
b = 136.05	β = 99.32
c = 191.87	γ = 90

Symmetry
Space Group	C 1 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	100	CCD	ADSC QUANTUM 315r	mirrors	2009-01-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1	0.97930	ESRF	ID23-1

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	1.9	45.55					181285

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2Gu1	1.9	45.55	172196	9087	100	0.19815	0.19646	0.2	0.2306	0.23	RANDOM	13.272

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]
-0.11		0.02	-0.13		0.25

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.273
r_dihedral_angle_4_deg	17.213
r_dihedral_angle_3_deg	14.693
r_dihedral_angle_1_deg	6.439
r_scangle_it	2.774
r_scbond_it	1.86
r_angle_refined_deg	1.508
r_mcangle_it	1.059
r_angle_other_deg	0.959
r_mcbond_it	0.687
r_symmetry_vdw_other	0.27
r_nbd_refined	0.214
r_nbd_other	0.197
r_mcbond_other	0.195
r_symmetry_hbond_refined	0.177
r_nbtor_refined	0.176
r_symmetry_vdw_refined	0.164
r_xyhbond_nbd_refined	0.158
r_xyhbond_nbd_other	0.131
r_chiral_restr	0.086
r_nbtor_other	0.085
r_bond_refined_d	0.015
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	13392
Nucleic Acid Atoms
Solvent Atoms	759
Heterogen Atoms	235

Software

Software
Software Name	Purpose
ADSC	data collection
MOLREP	phasing
REFMAC	refinement
XDS	data reduction
SCALA	data scaling