Characterization of the optimized C2 domain of protein G: finding its additional chicken IgY-binding ability

2013 ◽  
Vol 35 (9) ◽  
pp. 1441-1447 ◽  
Author(s):  
Yongsheng Cao ◽  
Di Li ◽  
Chong Cao ◽  
Mingchun Gao ◽  
Runxiang Zhang ◽  
...  
Keyword(s):  
2017 ◽  
Vol 176 (3) ◽  
pp. 2119-2132 ◽  
Author(s):  
Lu Liu ◽  
Chunying Li ◽  
Zhe Liang ◽  
Hao Yu

Biochemistry ◽  
2003 ◽  
Vol 42 (40) ◽  
pp. 11661-11668 ◽  
Author(s):  
Senena Corbalán-Garcia ◽  
Susana Sánchez-Carrillo ◽  
Josefa García-García ◽  
Juan C. Gómez-Fernández

1991 ◽  
Vol 5 (10) ◽  
pp. 1902-1911 ◽  
Author(s):  
K D Sarge ◽  
V Zimarino ◽  
K Holm ◽  
C Wu ◽  
R I Morimoto

2020 ◽  
Vol 10 (2) ◽  
pp. 4988-4992

The composition of the conjugates of gold nanoparticles with streptococcal protein G was studied using fluorescence spectroscopy. The method for determining the composition is based on measuring the intrinsic fluorescence of tryptophan as part of the protein. The equilibrium constants of protein binding by the gold surface were determined using the Sketchard method. An increase in the dissociation constant of the protein–nanoparticle complex for increasing the amount of bound protein was demonstrated, and a relationship was established between the stability of the conjugates, their antigen-binding activity, and the dissociation constant. The effectiveness of the conjugates of different compositions in immunochromatographic assay of specific antibodies against the lipopolysaccharide antigen of Brucella abortus was compared. The binding ability of the conjugates increased along with the amount of protein G to ~200 molecules per nanoparticle. A further increase in the amount of adsorbed protein led to a deterioration in the functional activity of the conjugates.


Planta ◽  
2008 ◽  
Vol 227 (5) ◽  
pp. 1169-1179 ◽  
Author(s):  
Young-Cheol Kim ◽  
Soo-Yong Kim ◽  
Doil Choi ◽  
Choong-Min Ryu ◽  
Jeong Mee Park

1998 ◽  
Vol 251 (1) ◽  
pp. 158-165 ◽  
Author(s):  
Takayuki Shiratsuchi ◽  
Katsutoshi Oda ◽  
Hiroyuki Nishimori ◽  
Mikio Suzuki ◽  
Eiichi Takahashi ◽  
...  
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