UniProt:
PDB seq: SLRLSCAASGYTYSPYCMGWFRQAPGKAREGVATVDLDGSTIYADSVKGRFTISQDNAKNTLYLQMNSLKPEDTAMYYCASRTRAGVTCGLNWAIFSYWGQGTQVT
--------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-------
450 460 470 480 490 500 510 520 530 540