{
  "api_slug": "b7-33",
  "api_name": "B7-33",
  "chinese_name": "B7-33（单链Relaxin B链类似物）",
  "identity_class": "peptide_analog",
  "molecular_type": "27-residue single-chain H2 relaxin B-chain analogue",
  "structure": {
    "applicability": "sequence_or_composition",
    "status": "catalog_recorded",
    "representation": "VIKLSGRELVRAQIAISGMSTWSKRSL",
    "amino_acid_count": 27,
    "note": "The current catalog records this sequence or composition. A missing detail remains record-dependent and is not inferred."
  },
  "definition": {
    "plain_en": "B7-33 is a single-chain H2 relaxin B-chain analogue: residues 7–29 followed by a KRSL extension. The cited development record gives the 27-residue sequence VIKLSGRELVRAQIAISGMSTWSKRSL; terminal and lipidated variants remain separate.",
    "plain_cn": "B7-33（单链Relaxin B链类似物）：H2 松弛素 B 链的单链类似物，由 7–29 位片段接 KRSL 延伸组成，共 27 个残基；末端修饰及脂化变体分别记录。",
    "professional_en": "B7-33 is a single-chain H2 relaxin B-chain analogue: residues 7–29 followed by a KRSL extension. The cited development record gives the 27-residue sequence VIKLSGRELVRAQIAISGMSTWSKRSL; terminal and lipidated variants remain separate."
  },
  "relations": {
    "research_context": [
      "27-residue single-chain H2 relaxin B-chain analogue",
      "Exact source reference"
    ],
    "common_confusions": [
      "Material form follows the original specimen record."
    ],
    "related_terms": []
  },
  "taxonomy": [
    {
      "taxonomy_group": "identity_class",
      "term_slug": "class-peptide-analog",
      "name_en": "Peptide analog",
      "name_cn": "肽类似物",
      "description_en": "A peptide identity described through an analog relationship.",
      "description_cn": "通过类似物关系识别的肽身份。",
      "assignment_status": "APPROVED"
    }
  ],
  "comparison_relations": [],
  "updated_at": "2026-11-06"
}