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Peptide Atlas · Excipient

L-Arginine HCl

Arginine is widely used in protein production as an aggregation suppressor rather than a protein stabilizer, acting by weakening protein-protein interactions.

What the evidence says

six tiers, never blended

preclinical — animal, cell or mechanistic work — not yet about people

every claim resolves to its source

All 2 citations resolve to their original source. · 0 posts naming it, 0 members counted once each.

  • created page created as 'L-Arginine HCl' with aliases L-Arginine hydrochloride, Arginine · 2026-09-27 04:00 · somebody
  • kind set kind set to excipient: palette r1 · 2026-09-27 04:00 · somebody
  • fact added identity: PubChem CID 66250: L-Arginine, monohydrochloride, C6H15ClN4O2, 210.66 g/mol. · 2026-09-27 04:00 · somebody
  • fact added identity: CAS registry number 1119-34-2. · 2026-09-27 04:00 · somebody
  • fact added identity: IUPAC name: (2S)-2-amino-5-(diaminomethylideneamino)pentanoic acid;hydrochloride. · 2026-09-27 04:00 · somebody
  • fact added summary: Arginine is widely used in protein production as an aggregation suppressor rather than a protein stabilizer, acting by w · 2026-09-27 04:00 · somebody
  • fact added mechanism: It barely changed protein melting temperature but increased the reversibility of thermal melting and reduced aggregation · 2026-09-27 04:00 · somebody
  • citation added pmid 16522173 cited as preclinical: Review: why arginine is effective in suppressing aggregation · 2026-09-27 04:00 · somebody
  • citation added pmid 12705899 cited as preclinical: Arginine suppresses aggregation rather than facilitating refolding · 2026-09-27 04:00 · somebody

Negative findings

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