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R1153

Sigma-Aldrich

RNase B Glycoprotein Standard from bovine pancreas

Proteomics Grade

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Synonym(s):
Ribonuclease B from bovine pancreas, RNase B
CAS Number:
EC Number:
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.32

grade

Proteomics Grade

Quality Level

Assay

≥90% (SDS-PAGE)

form

lyophilized powder

storage temp.

−20°C

InChI

1S/C9H14N4O3/c10-2-1-8(14)13-7(9(15)16)3-6-4-11-5-12-6/h4-5,7H,1-3,10H2,(H,11,12)(H,13,14)(H,15,16)

InChI key

CQOVPNPJLQNMDC-UHFFFAOYSA-N

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Application

RNase B is a preferred substrate with PNGase F for demonstration of N-linked deglycosylation using SDS-PAGE or MALDI-MS. The activity of PNGase F is routinely assayed using RNase B by monitoring the pronounced mobility shift in 12% gels after deglycosylation. Proteomics Grade RNase B has been used as a source of N-glycans following enzymatic digestions and subsequent purification. It has also been used as a glycoprotein standard.

Other Notes

Bovine pancreatic RNase B is a glycoprotein that contains only N-linked glycans. It is a globular protein composed of a single domain that occurs naturally as a lesser component in mixture along with ribonuclease A (RNase A), which is the non-glycosylated core form. RNase B contains a single glycosylation site at Asn34 at which from five to nine mannose residues are attached to the chitobiose core, i.e. Man5-9GlcNAc2. Due to the heterogeneity in the glycosylation at Asn34, RNase B exists as five glycosylated varients, with a molecular weight of approx. 15 kDa.

Quality

RNAse B Glycoprotein Standard has been highly purified to remove contaminating RNase A.

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Resp. Sens. 1

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

动植物源性产品

Certificates of Analysis (COA)

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

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    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

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    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  5. Are there any buffer salts present in product R1153, RNase B Glycoprotein Standard?

    Product R1153, RNase B Glycoprotein Standard, is extensively dialyzed against deionized water prior to lyophilization. It is essentially salt free.

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