{
    "1.5.21": {
        "delta": 715577, 
        "recordcount": 8211695, 
        "filename": "rat_protein_ntdata.nt"
    }, 
    "1.4.5": {
        "delta": 7496118, 
        "recordcount": 7496118, 
        "filename": "rat_protein_ntdata.nt"
    }
}