UniProt:
PDB seq: QVQLQESLSCEASGLTFSNYAMAWFRQEFVAGISWTGSRTYYADSVRGTSRDGHKNTVYLQMNDTAVYLCAADLLGSGKDGTSVYEYWGQGTQ
-------+---------+-------------+---------+------+---------+----+---------+---------+---------
20 30 50 60 70 80 90 100 110