![Protein Data Bank in Europe - Knowledge Base](https://www.ebi.ac.uk/pdbe/pdbe-kb/static/icon/favicon-32x32.png)
Chains: A, C
Length: 21 amino acids
Theoretical weight: 2.38 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
FASTA Sequence
Length: 21 amino acids
Theoretical weight: 2.38 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
- Canonical:
P01308 (Residues: 90-110; Coverage: 24%)
FASTA Sequence
>pdb|1q4v|A C
GIVEQCCTSICSLYQLENYCN
![Protein Data Bank in Europe - Knowledge Base](https://www.ebi.ac.uk/pdbe/pdbe-kb/static/icon/favicon-32x32.png)