Bis-ANS dipotassium

Modify Date: 2025-08-26 21:40:44

Bis-ANS dipotassium Structure
Bis-ANS dipotassium structure
Common Name Bis-ANS dipotassium
CAS Number 65664-81-5 Molecular Weight 672.85300
Density N/A Boiling Point N/A
Molecular Formula C32H22K2N2O6S2 Melting Point N/A
MSDS Chinese USA Flash Point N/A
Symbol GHS07
GHS07
Signal Word Warning

 Use of Bis-ANS dipotassium


Bis-ANS dipotassium is a fluorescent probe of hydrophobic protein. Bis-ANS binds to tubulin with a Kd of 2 μM[1]. Bis-ANS dipotassium is a potent biphasic modulator of protein liquid-liquid phase separation (LLPS). Bis-ANS dipotassium promotes LLPS at low concentrations but suppresses LLPS at high concentrations[2].

 Names

Name Bis-ANS,4,4'-Dianilino-1,1'-binaphthyl-5,5'-disulfonic acid dipotassium salt
Synonym More Synonyms

 Bis-ANS dipotassium Biological Activity

Description Bis-ANS dipotassium is a fluorescent probe of hydrophobic protein. Bis-ANS binds to tubulin with a Kd of 2 μM[1]. Bis-ANS dipotassium is a potent biphasic modulator of protein liquid-liquid phase separation (LLPS). Bis-ANS dipotassium promotes LLPS at low concentrations but suppresses LLPS at high concentrations[2].
Related Catalog
In Vitro Bis-ANS is a fluorescent molecule that has been used to probe exposed hydrophobic patches in proteins and to monitor the formation of protein aggregates. Bis-ANS is a bivalent naphthalene sulfonate with aniline moieties. Bis-ANS modulates the liquid-liquid phase separation of TDP-43 low complexity domain (LCD)[2].
References

[1]. P Horowitz, et al. Bis(1,8-anilinonaphthalenesulfonate). A novel and potent inhibitor of microtubule assembly. J Biol Chem. 1984 Dec 10;259(23):14647-50.

[2]. W. Michael Babinchak, et al. Small molecules as potent biphasic modulators of protein liquid-liquid phase separation. Nature Communications volume 11, Article number: 5574 (2020)

 Chemical & Physical Properties

Molecular Formula C32H22K2N2O6S2
Molecular Weight 672.85300
Exact Mass 672.01900
PSA 155.22000
LogP 9.26300

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302-H312-H315-H319-H332-H335
Precautionary Statements P261-P280-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xn
Risk Phrases R20/21/22;R36/37/38
Safety Phrases S26-S36
RIDADR NONH for all modes of transport

 Precursor & DownStream

Precursor  1

DownStream  0

 Articles3

More Articles
Interaction of ATP with a small heat shock protein from Mycobacterium leprae: effect on its structure and function.

PLoS Negl. Trop. Dis. 9(3) , e0003661, (2015)

Adenosine-5'-triphosphate (ATP) is an important phosphate metabolite abundantly found in Mycobacterium leprae bacilli. This pathogen does not derive ATP from its host but has its own mechanism for the...

Bis(8-anilinonaphthalene-1-sulfonate) as a probe for tubulin decay.

Biochemistry 25 , 739, (1986)

The fluorescent apolar probe bis(8-anilinonaphthalene-1-sulfonate) (Bis-ANS) has been used to detect structural correlates of the well-known but poorly understood decay of tubulin function, by which t...

Cooperative effects in binding by bovine serum albumin. I. The binding of 1-anilino-8-naphthalenesulfonate. Fluorimetric titrations.

Biochemistry 5 , 1893, (1966)

 Synonyms

BIS-ANS
BIS-ANS DIPOTASSIUM SALT
4,4'-dianilino-1,1'-binaphthyl-5,5'-disulfonic acid dipotassium salt
4,4'-DIANILINO-1,1'-BINAPHTHYL-5,5'-DISULFONIC ACID,POTASSIUM SALT
potassium 8,8'-dianilino-5,5'-binaphthalene-1,1'-disulfonate
4,4'-dianilino-1,1'-binaphthyl-5,5'-disulfonic acid,dipot
8-Anilino-1-naphthalenesulfonic Acid Di
4,4'-dianilino-1,1'-binaphthyl-5,5'-di-sulfonic A
4,4'-DIANILINO-1,1'-BINAPHTHYL-5,5'-DISU LFONIC ACI
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