5FUO

Extending the half-life of a Fab fragment through generation of a humanised anti-Human Serum Albumin (HSA) Fv domain: an investigation into the correlation between affinity and serum half-life

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4G03	PDB ENTRY 4G03 AND FAB WWPDB SUBMISSION CODE 62161

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		1		0.1 M CITRIC ACID PH 4.4, 0.1 M DI-SODIUM HYDROGEN PHOSPHATE, 38% V/V ETHANOL, 5% V/V POLYETHYLENE GLYCOL 1000

Crystal Properties
Matthews coefficient	Solvent content
4.72	73.94

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 217.64	α = 90
b = 217.64	β = 90
c = 78.65	γ = 120

Symmetry
Space Group	P 31 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 PILATUS		2012-03-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I02		Diamond	I02

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	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	3.58	30	93.9	0.01	7.57	2.4		46115		1.6

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3.58	3.79	86.1		0.04	1.64	1.9

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 4G03 AND FAB WWPDB SUBMISSION CODE 62161	3.6	30	24409	2405	97.6	0.2151	0.2151	0.21	0.2536	0.25	RANDOM

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]
13.946			13.946		-27.892

RMS Deviations
Key	Refinement Restraint Deviation
c_scangle_it	2.52
c_mcangle_it	2.16
c_scbond_it	1.47
c_angle_deg	1.44231
c_mcbond_it	1.2
c_bond_d	0.010461
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7869
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
CNS	refinement
XDS	data reduction
XDS	data scaling
PHASER	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.