cysteine Protocols

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Cyanine Dye (Maleimide) Protein Labeling Protocol - http://www.signaling-gateway.org/data/cgi-bin/ProtocolFile.cgi/afcs_PP00000150.pdf?pid=PP00000150

Category: Fluorescent Dyes Protocols

Cyanine dye reagents are useful as fluorescent labels for proteins. This protocol has been designed to label the thiol group on cysteine using Cy3 or Cy5 minimal maleimide labeling dyes. - [Read Cyanine Dye (Maleimide) Protein Labeling Protocol]

Differences in Injection of X. laevis and X. tropicalis - http://tropicalis.berkeley.edu/home/manipulate_embryos/microinjection/differences.html

Category: Xenopus Protocols: Xenopus Injection Protocols

Differences in injection of X. laevis and X. tropicalis. Includes: X. tropicalis lays eggs about 4 hours after a boost of hCG; In vitro fertilization is not nearly as efficient in trops compared to laevis; X. tropicalis embryos are much softer than X. laevis embryos; X. tropicalis embryos whose jelly coats are removed by cysteine have a loose sticky vitelline membrane; X. tropicalis do not have a "summer slump". - [Read Differences in Injection of X. laevis and X. tropicalis]

Metabolic Labeling & Immunoprecipitation Protocols - http://www.cbrinstitute.org/labs/springer/protocols/jun_35Slabeling_IP.html

Category: Immunology: Immunoprecipitation Protocols: Immunoprecipitation of Radiolabeled Cells Protocols

Cells incorporate 35S-methionine or cysteine during the protein synthesis. Thus it is essential to use Met,Cys-free medium and dialyzed FCS during the labeling. Short period of incubation with 35S-methionine or cysteine will result in radiolabeling (pulse), and additional incubation with excess concentration of unlabeled Met+Cys (chase) is needed for complex glycoproteins like integrins to get expressed as a maturated form. - [Read Metabolic Labeling & Immunoprecipitation Protocols]

Peptide Storage Information - http://www.lerner.ccf.org/services/molecbiotech/peptide.php

Category: Peptide Protocols: Peptide Storage

Great peptide storage information. Lerner. Peptides are provided as lyophilized product that should be stored as dry powder at -20Â°C to -70Â°C in a desiccator, if possible. After lyophilization, peptides retain significant amounts of water. Peptides are slowly degraded particularly the cysteine-containing peptides are oxidized over time at -20Â°C. - [Read Peptide Storage Information]