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