data = get_protein_json('proteinA','AAA','data/proteinA.json',seeds=[1,2,3])
data{'name': 'proteinA',
'modelSeeds': [1, 2, 3],
'sequences': [{'protein': {'id': 'A', 'sequence': 'AAA'}}],
'bondedAtomPairs': [],
'dialect': 'alphafold3',
'version': 2}