>2R9U_1|Chains A, B, C, D|Variable lymphocyte receptor|Petromyzon marinus (7757) HHSAGCPSQCSCDQTLVNCQNIRLASVPAGIPTDKQRLWLNNNQITKLEPGVFDHLVNLQQLYFNSNKLTAIPTGVFDKLTQLTQLDLNDNHLKSIPRGAFDNLKSLTHIYLYNNPWDCECRDIMYLRNWVADHTSIVMRWDGKAVNDPDSAKCAGTNTPVRAVTEASTSPSKC