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S3917

Sigma-Aldrich

Single-strand Binding Protein from Escherichia coli

>95% (SDS-PAGE), for molecular biology, Single strand binding protein to enhance PCR specificity

Synonym(s):

SSB

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About This Item

MDL number:
UNSPSC Code:
12352202
NACRES:
NA.52

grade

for molecular biology

Quality Level

Assay

>95% (SDS-PAGE)

form

liquid

color

colorless

foreign activity

DNase and RNase, none detected

shipped in

wet ice

storage temp.

−20°C

Related Categories

General description

Single-strand Binding Protein is a homotetramer, found in E. coli during the event of DNA metabolism.

Application

Binds with high specificity to single-stranded DNA. Can be useful in enhancing the specificity of PCR and in enabling the sequencing of problematic DNA templates.
Single-strand Binding Protein from Escherichia coli has been used in in vitro RNA/Single-Strand Binding Protein (SSB) complex formation assays and in protein purification to determine integrity and functionality of the integron attC sites.

Biochem/physiol Actions

Single-strand Binding Protein (SSBP) exhibits high affinity towards single stranded DNA important for DNA metabolic processes. Single-stranded DNA-binding protein hSSB1 is critical for genomic stability and assists the delivery of primers during the formation of lagging standard. It also prevents the formation of inhibitory secondary structures in the exposed lagging-strand of DNA during replication. SSBP mediates the recruitment of other proteins to their sites of function on DNA.

Physical form

Solution in 20 mM Tris-HCl, pH 8.0, 0.5 M NaCl, 0.1 mM EDTA, 0.1 mM DTT, 50% glycerol

Pictograms

CorrosionEnvironment

Signal Word

Danger

Hazard Statements

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 2 - Eye Dam. 1

Storage Class Code

10 - Combustible liquids

WGK

WGK 2


Certificates of Analysis (COA)

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Translation, but not transfection limits clinically relevant, exogenous mRNA based induction of alpha-4 integrin expression on human mesenchymal stem cells
Nowakowski A, et al.
Scientific reports, 7(1103), 1-12 (2017)
J Kieleczawa et al.
Science (New York, N.Y.), 258(5089), 1787-1791 (1992-12-11)
When template DNA is saturated with a single-stranded DNA binding protein (SSB), strings of three or four contiguous hexanucleotides (hexamers) can cooperate through base-stacking interactions to prime DNA synthesis specifically from the 3' end of the string. Under the same
Structure of the SSB--DNA polymerase III interface and its role in DNA replication
Marceau AH, et al.
The Embo Journal, 30(20), 4236-4247 (2011)
The Integron Integrase Efficiently Prevents the Melting Effect of Escherichia coli Single-Stranded DNA-Binding Protein on Folded attC Sites
Loot C, et al.
Journal of Bacteriology, 196(4), 762-771 (2014)
Sambrook, J., et al.
Molecular Cloning: A Laboratory Manual, 87, 5-5 (1989)

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