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IRL-1038 是合成多肽类似物，常用于受体结合化学与序列编码功能研究。其设计支持配体取向与空间位阻对相互作用表面贡献的分析。研究者用于探索结构 - 活性关系。该分子也助力多肽工程应用。

IRL-1038 is a synthetic peptide analog commonly employed in studies of receptor-binding chemistry and sequence-encoded functionality. Its design supports analysis of ligand orientation and steric contributions to interaction surfaces. Researchers use it to explore structure–activity relationships. The molecule also aids peptide-engineering applications.

内皮素 - 1（11-21）三氟乙酸盐捕获中段片段，用于探索关键相互作用区域与二硫键稳定折叠。其平衡残基特征支持配体 - 受体界面研究。该多肽有助于内皮素行为结构决定因素定位。应用包括对接分析与构象建模。

Endothelin-1 (11-21) captures a mid-segment used to explore key interaction regions and disulfide-stabilized folding. Its balanced residue profile supports studies of ligand-receptor interfaces. The peptide aids in mapping structural determinants of endothelin behavior. Applications include docking analysis and conformational modeling.

半胱氨酸 11 - 半胱氨酸 15 - 内皮素 - 1（11-21）是环肽片段，通过分子内二硫键形成稳定结构基序。其序列支持内皮素 - 受体相互作用建模。疏水元件影响折叠。研究者用于内皮素肽结构探索。

Cys(11)-cys(15)-endothelin-1 (11-21) is a cyclic peptide fragment formed through intramolecular disulfide bonding that stabilizes structural motifs. Its sequence supports modeling of endothelin-receptor interactions. Hydrophobic elements influence folding. Researchers apply it in structural exploration of endothelin peptides.