Peptide Lab

import requests

# Calculate peptide physicochemical properties
response = requests.post(
    "https://scirouter.ai/v1/peptide-lab/calculate/physico",
    json={"sequence": "GEPPPGKPADDAGLV"}  # BPC-157
)
props = response.json()["data"]
print(f"MW: {props['molecular_weight']:.1f} Da")
print(f"pI: {props['isoelectric_point']:.2f}")
print(f"Net charge @ pH 7: {props['net_charge_ph7']:.2f}")
print(f"GRAVY: {props['gravy_score']:.2f}")

# Rank single-point mutations for better solubility
mut = requests.post(
    "https://scirouter.ai/v1/peptide-lab/mutate/suggest",
    headers={"Authorization": "Bearer sk-sci-your-key"},
    json={
        "sequence": "GEPPPGKPADDAGLV",
        "target": "solubility",
        "locked_positions": [],
        "top_k": 5
    }
)
for m in mut.json()["data"]["suggestions"]:
    print(f"  {m['position']+1}{m['from']}→{m['to']}: Δ={m['delta']:+.2f}")