>6vmk_E mol:protein length:223 Fab Y49R heavy chain EVQLVQSGAEVKKPGASVKVSCKASGYTFTSYYMYWVRQAPGQGLEWIGEINPTSGGTN FNEKFKSRATLTVDTSTSTAYLELSSLRSEDTAVYYCAREGGFAYWGQGTLVTVSSAST KGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGL YSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHT