7F6U

Crystal structure of metal-citrate-binding mutant (Y221A) protein (MctA) of ABC transporter in apo state

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	6.5	293	0.2 M ammonium sulfate, 0.1 M Sodium cacodylate trihydrate pH 6.5, 30% (w/v) PEG 8000

Crystal Properties
Matthews coefficient	Solvent content
2.61	52.87

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.42	α = 90
b = 108.61	β = 90
c = 163.17	γ = 90

Symmetry
Space Group	I 2 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	IMAGE PLATE	RIGAKU RAXIS IV	VariMax HF	2019-08-09	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	1.75	54.3	100	0.088	0.093	0.032	0.997	13.2	8		40385

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	1.75	1.78	100		0.501	0.537	0.192	0.907		7.6

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	1.75	48.68	38399	1985	99.98	0.2054	0.2039	0.2362	RANDOM	29.588

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]
-0.27			-0.23		0.5

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.148
r_dihedral_angle_4_deg	21.288
r_dihedral_angle_3_deg	15.54
r_dihedral_angle_1_deg	8.047
r_angle_refined_deg	2.134
r_angle_other_deg	1.542
r_chiral_restr	0.094
r_bond_refined_d	0.02
r_gen_planes_refined	0.013
r_bond_other_d	0.006

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.148
r_dihedral_angle_4_deg	21.288
r_dihedral_angle_3_deg	15.54
r_dihedral_angle_1_deg	8.047
r_angle_refined_deg	2.134
r_angle_other_deg	1.542
r_chiral_restr	0.094
r_bond_refined_d	0.02
r_gen_planes_refined	0.013
r_bond_other_d	0.006
r_gen_planes_other	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2667
Nucleic Acid Atoms
Solvent Atoms	281
Heterogen Atoms	53

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.