4PVF

Crystal structure of Homo sapiens holo serine hydroxymethyltransferase 2 (mitochondrial) (SHMT2), isoform 3, transcript variant 5, 483 aa, at 2.6 ang. resolution

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3OU5	PDB ENTRY 3OU5

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	294	0.1M Bis-Tris propane pH7.5, 5%glycerol, 12-16% Peg 3350, 0.2M KF, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
3.65	66.34

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 160.462	α = 90
b = 160.462	β = 90
c = 211.461	γ = 120

Symmetry
Space Group	P 65 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	PIXEL	PSI PILATUS 6M	Sagitally bended Si111-crystal	2013-03-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1	0.9798	BESSY	14.1

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	2.6	138.964	100		15.4	49990	49990	2	2

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	2.6	2.69	100		1.8	15.8	4519

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 3OU5	2.6	138.96	49926	49926	2531	99.97	0.2077	0.2058	0.2435	RANDOM	34.6141

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]
0.46	0.23		0.46		-1.49

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.152
r_dihedral_angle_4_deg	21.794
r_dihedral_angle_3_deg	18.639
r_dihedral_angle_1_deg	6.516
r_mcangle_it	4.329
r_mcbond_it	2.737
r_mcbond_other	2.737
r_angle_refined_deg	1.747
r_angle_other_deg	1.141
r_chiral_restr	0.087

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.152
r_dihedral_angle_4_deg	21.794
r_dihedral_angle_3_deg	18.639
r_dihedral_angle_1_deg	6.516
r_mcangle_it	4.329
r_mcbond_it	2.737
r_mcbond_other	2.737
r_angle_refined_deg	1.747
r_angle_other_deg	1.141
r_chiral_restr	0.087
r_bond_refined_d	0.014
r_gen_planes_refined	0.007
r_bond_other_d	0.004
r_gen_planes_other	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7073
Nucleic Acid Atoms
Solvent Atoms	126
Heterogen Atoms	19

Software

Software
Software Name	Purpose
SCALA	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data scaling
XDS	data reduction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.