>|Human immunoglobulin gamma 2 (IgG2) SAP1.3 - heavy chain C226S/C227S QVQLKQSGPGLVQPSQTLSITCTVSGFSLTSYGVHWVRQSPGKGLEWLGVIWSGGITDYNAAFISRLSISKDNSKSQVFFKVNSLQPNDTAIYYCARNGRIGSTMTLYYAMDYWGQGTLVTVSSASTKGPSVFPLAPCSRSTSESTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSNFGTQTYTCNVDHKPSNTKVDKTVERKSSVECPPCPAPPVAGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVQFNWYVDGVEVHNAKTKPREEQFNSTFRVVSVLTVVHQDWLNGKEYKCKVSNKGLPAPIEKTISKTKGQPREPQVYTLPPSREEMTKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPMLDSDGSFFLYSKLTVDKSRWQQGNVFSCSVMHEALHNHYTQKSLSLSPGK