Merck Chemicals for Recovering Active Proteins from Bacterial Inclusion Bodies: Optimize Yield and Purity for Pharma Bioprocessing

Producing biotherapeutic proteins in bacteria such as E. coli offers simpler cultivation requirements and potentially higher yields than mammalian systems, but it can also create challenges in protein recovery. Chemicals for recovering active proteins from bacterial inclusion bodies support these challenges, particularly the solubilization and refolding steps associated with inclusion bodies. Discover how this product portfolio supports bacterial protein recovery workflows.
Benefits and Key Features of Chemicals for Recovering Active Proteins from Bacterial Inclusion Bodies
- Supports recombinant protein expression in bacteria or yeast under simpler cultivation conditions.
- Helps address challenges associated with inclusion body solubilization and refolding.
- Designed for downstream process and formulation workflows in pharma and biopharma manufacturing.
- Useful in bacterial protein recovery processes where active proteins must be recovered after expression.
Key Features and Applications of Chemicals for Recovering Active Proteins from Bacterial Inclusion Bodies
- Portfolio scope: A portfolio dedicated to supporting challenges associated with recovering active proteins from bacterial inclusion bodies.
- Process context: Offered as part of downstream process and formulation chemicals used in pharma and biopharma manufacturing.
- Solubilization context: Used in the context of chemical solubilization when proteins are expressed as inclusion bodies.
- Refolding context: Used in workflows where refolding steps follow inclusion body solubilization.
Applications and Usage in Bacterial Inclusion Body Protein Recovery
- Intracellular recombinant protein recovery: Relevant to bacterial production systems such as E. coli, where proteins are expressed intracellularly and require cell lysis for product recovery.
- Inclusion body processing: Applied when expressed proteins form inclusion bodies and require chemical solubilization before further processing.
- Protein refolding workflows: Used in processes where solubilized proteins are subject to refolding steps as part of active protein recovery.
- Recombinant protein manufacturing: Related to bacterial or yeast expression processes used for recombinant proteins intended as biotherapeutics.
- Process example: Therapeutic recombinant insulin expressed in E. coli is an example of a bacterial fermentation workflow that may involve inclusion body recovery.
Chemicals for Recombinant Protein Expression
| Product Name | MQ Level | Function |
|---|---|---|
| Induce gene expression | ||
| Isopropyl-β-D-1-thiogalactopyranosid Emprove® Expert (IPTG) | 500 | Induce gene expression |
| Isopropyl-β-D-1-thiogalactopyranosid (IPTG) | 300 | Induce gene expression |
| Purify IBs | ||
| Benzonase® purity grade II (>90%) for biotechnology) | 100 | Digest nucleic acids trapped in IBs |
| Benzonase® endonuclease Safety Plus Emprove® Expert (≥99% purity) | 500 | Digest nucleic acids trapped in IBs |
| Extract IBs | ||
| DL-Dithiothreitol Emprove® Essential | 500 | Reduce intra/intermolecular disulfide bonds |
| Guanidine hydrochloride Emprove® Evolve | 400 | IB dissolution |
| Guanidinium chloride Emprove® Expert NF | 500 | IB dissolution |
| 2-Mercaptoethanol Emprove® Evolve | 400 | Reduce intra/intermolecular disulfide bonds |
| Urea cryst. Emprove® Expert Ph Eur, BP, ChP, JP, USP, ACS | 500 | IB dissolution |
| Urea granulated Emprove® Expert Ph Eur, BP, ChP, JP, USP, ACS | 500 | IB dissolution |
| Protein Refolding | ||
| L-Arginine Emprove® Expert Ph Eur, ChP, JP, USP | 500 | Aggregation inhibitor |
| L-Arginine monohydrochloride Emprove® Expert Ph Eur, BP, ChP, JP, USP | 500 | Aggregation inhibitor |
| L-Cysteine | 400 | Redox reagent |
| L-Cysteine hydrochloride monohydrate Emprove® Expert Ph Eur, JP, USP | 500 | Redox reagent |
| Glutathione (reduced) Emprove® Expert Ph Eur | 500 | Redox reagent |
| L-Glutathione oxidized | 400 | Redox reagent |
| Sucrose Emprove® Expert Ph Eur, ChP, JP, NF | 500 | Protein stabilizer |
| Trehalose dihydrate Emprove® Expert Ph Eur, ChP, NF, JP | 500 | Protein stabilizer |
| Other Processing Raw Materials | ||
| Ammonium sulfate Emprove® Expert ChP, NF, ACS | 500 | Precipitation |
| Phenol Emprove® Essential Ph Eur, ChP, JP, USP | 500 | Preservative |
| Thimerosal Emprove® Essential Ph Eur, BP | 500 | Preservative |
| Benzalkonium chloride Emprove® Expert Ph Eur, JP, NF | 500 | Preservative |
| Benzalkonium chloride (50% aqueous solution) Emprove® Expert Ph Eur, NF, JP | 500 | Preservative |
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