2-[[(2S)-2,6-bis[[(2S)-2,6-bis[[(2R)-2-[[(2R,3R)-2-[[(2R)-2-amino-5-carbamimidamido-pentanoyl]amino]-3-hydroxy-butanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]hexanoyl]amino]hexanoyl]amino]ethanoic acid

P01857 — Immunoglobulin heavy constant gamma 1