>9osr_J mol:protein length:125 Variable domain of the heavy chain of Fab hb420EVQLVESGAEVKKPGSSVKVSCMASGGSFGSYGFSWVRQAPGQGLEWMGGIIPLFDTPNYAQKFQGRVTITADASTSTVYMELSSLRSEDTAVYYCARDSLPYGDQNYYYGMHVWGQGTTVTVSS