>6iek_B mol:protein length:226 Heavy chain of Fab R12
QVQLVQSGAEVKKPGASVKVSCKVSGYTLTELSMHWVRQAPGKGLEWMGGFDREDGETIYAQKFQGRVTMTEDTSTDTAYMELSSLRSEDTAVYYCAIDPIRYNWNYGDYWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDK