>sp|P18532|HVM61_MOUSE Ig heavy chain V region 1B43 OS=Mus musculus
MRVLILLCLFTAFPGILSDVQLQESGPDLVKPSQSLSLTCTVTGYSITSGYSWHWIRQFP
GNKLEWMGYIHYSGNTSYNPSLKSRISITRDTSKNQFFLQLNSVTTEDTATYYCAR