5IGA

Crystal structure of a marine metagenome TRAP solute binding protein specific for aromatic acid ligands (Sorcerer II Global Ocean Sampling Expedition, unidentified microbe, locus tag GOS_1523157, Triple Surface Mutant K158A_K223A_K313A) in complex with co-purified parahydroxybenzoate

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	5I5P

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	298	Protein (10 mM HEPES pH 7.5, 5 mM DTT, 10 mM 3-(3-hydroxyphenyl)propionic acid); Reservoir (MCSG2 (H4) 0.2 M Ammonium Acetate, 0.1 M Tris pH 8.5 25 %(w/v) PEG 3350); Cryoprotection (20% diethylene glycol, 80% reservoir)

Crystal Properties
Matthews coefficient	Solvent content
1.9	35.27

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 39.83	α = 90
b = 84.47	β = 113.22
c = 46.069	γ = 90

Symmetry
Space Group	P 1 21 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	PIXEL	DECTRIS PILATUS 200K	mirrors	2016-02-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.54056

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	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	1.45	100	98.3	0.112	0.126	0.055	20.4	3.4		49010			13.29

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.45	1.48	92.6		0.165	0.217	0.139	0.934		2	2297

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	5I5P	1.45	42.338	1.35	48637	2523	97.35	0.1208	0.1196	0.1429	17.3391

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	17.846
f_angle_d	1.05
f_chiral_restr	0.075
f_bond_d	0.008
f_plane_restr	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2408
Nucleic Acid Atoms
Solvent Atoms	478
Heterogen Atoms	110

Software

Software
Software Name	Purpose
HKL-3000	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
HKL-3000	data reduction
MOLREP	phasing

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.