7F6N

Crystal structure of metal-citrate-binding mutant (S26A) protein (MctA) of ABC transporter endogenously bound to Mg2+-citrate complex

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		293	0.2 M ammonium fluoride, 20% PEG 3350

Crystal Properties
Matthews coefficient	Solvent content
2.21	44.34

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.51	α = 90
b = 142.92	β = 100.51
c = 79.27	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	IMAGE PLATE	RIGAKU RAXIS IV	VariMax HF	2019-01-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	2.3	77.94	100	0.186	0.211	0.098	0.974	7.7	4.5		43237

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	2.3	2.38	100		0.528	0.601	0.284	0.77		4.5

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	7F6E	2.3	71.56	41074	2114	99.95	0.1969	0.1945	0.2423	RANDOM	29.314

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]
-0.07		-0.08	0.07		0.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.801
r_dihedral_angle_4_deg	19.886
r_dihedral_angle_3_deg	16.612
r_dihedral_angle_1_deg	6.999
r_angle_refined_deg	1.663
r_angle_other_deg	1.337
r_chiral_restr	0.077
r_bond_refined_d	0.011
r_gen_planes_refined	0.008
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.801
r_dihedral_angle_4_deg	19.886
r_dihedral_angle_3_deg	16.612
r_dihedral_angle_1_deg	6.999
r_angle_refined_deg	1.663
r_angle_other_deg	1.337
r_chiral_restr	0.077
r_bond_refined_d	0.011
r_gen_planes_refined	0.008
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7941
Nucleic Acid Atoms
Solvent Atoms	307
Heterogen Atoms	91

Software

Software
Software Name	Purpose
HKL-3000	data collection
MOSFLM	data reduction
Aimless	data scaling
PHASER	phasing
Coot	model building
REFMAC	refinement
PDB_EXTRACT	data extraction

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 R01GM133198.