Immunoglobulin Heavy Chain Complementarity Determining Region 3

**Semantic type:** Amino Acid Sequence

**Definition:** An amino acid sequence within the hypervariable region of an immunoglobulin heavy chain that includes parts of the variable (V), diversity (D), and joining (J) regions.

**Synonyms:** - Antibody Heavy Chain Complementarity Determining Region 3 - CDR-H3 - CDR3