7AAI

Crystal structure of Human serum albumin in complex with perfluorooctanoic acid (PFOA) at 2.10 Angstrom Resolution

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1BJ5

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	293	50 mM HEPES, 50 mM MOPS, 30 mM diethylene glycol, 30 mM triethylene glycol (PGE), 30 mM tetraethylene glycol (PG4), 30 mM pentaethylene glycol, 12.5% v/v MPD, 12.5% w/v PEG 1000, 12.5% w/v PEG 3350

Crystal Properties
Matthews coefficient	Solvent content
2.47	50.24

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 184.788	α = 90
b = 38.507	β = 104.954
c = 95.588	γ = 90

Symmetry
Space Group	C 1 2 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 EIGER2 XE 16M		2019-07-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I03	0.97624	Diamond	I03

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	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	2.1	46.22	99.9	0.079	0.997	20.88	5.6		38662

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.175			0.447	0.886	3.27	5.1

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1bj5	2.1	46.218	38650	1887	99.91	0.221	0.217	0.2888	53.476

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]
0.044		0.011	0.024		-0.065

RMS Deviations
Key	Refinement Restraint Deviation
r_bond_refined_d	0.019

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4626
Nucleic Acid Atoms
Solvent Atoms	88
Heterogen Atoms	252

Software

Software
Software Name	Purpose
REFMAC	refinement
xia2	data reduction
Aimless	data scaling
PHASER	phasing
PHENIX	refinement

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.