>9mk4_H mol:protein length:227 12A01 Fab heavy chain
QVQLVQSGAEVKQPGASVKVSCKASGYTFSDHFMHWVRQAPGQGLEWMGWINPKSGGPNYAQKFQGRVTMTRDRSISTAYMELRGLRSDDTAIYYCARPMHDYDDHDWYFDLWGRGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVEPKSCD