>tr|O95973|O95973_HUMAN VH4 heavy chain variable region OS=Homo sapiens GN=IGM
MKHLWFFLLLVAAPRWVLSQLQLQESGPGLVKPSETLSLSCTVSGGSISSTNYYWGWIRQ
PPEKGLEWIGSLHNSGSDYYNPSLKSRVTISVDTSKNQFSLRLSSVTAADTAVYYCARLG
MGAFDFWGHGTMVTVSSGSASAPTLFPPSS