7F6S

Crystal structure of metal-citrate-binding mutant (T199A) protein (MctA) of ABC transporter in apo state

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	7F6E

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	7	293	0.2 M ammonium tartrate dibasic pH 7.0, 20% PEG 3350

Crystal Properties
Matthews coefficient	Solvent content
2.61	52.87

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.29	α = 90
b = 108.85	β = 90
c = 163.57	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	2019-07-24	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	1.8	48.8	100	0.069	0.073	0.023	0.999	19	9.6		37221

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	1.8	1.84	100		0.487	0.514	0.165	0.941		9.4

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	1.8	48.8	35370	1851	99.99	0.1528	0.1513	0.1816	RANDOM	28.577

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]
0.15			0.25		-0.4

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.123
r_dihedral_angle_4_deg	18.565
r_dihedral_angle_3_deg	14.833
r_dihedral_angle_1_deg	6.248
r_angle_refined_deg	2.145
r_angle_other_deg	1.581
r_chiral_restr	0.107
r_bond_refined_d	0.017
r_gen_planes_refined	0.014
r_gen_planes_other	0.003

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.123
r_dihedral_angle_4_deg	18.565
r_dihedral_angle_3_deg	14.833
r_dihedral_angle_1_deg	6.248
r_angle_refined_deg	2.145
r_angle_other_deg	1.581
r_chiral_restr	0.107
r_bond_refined_d	0.017
r_gen_planes_refined	0.014
r_gen_planes_other	0.003
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2672
Nucleic Acid Atoms
Solvent Atoms	236
Heterogen Atoms	38

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 R01GM157729.