>3jb9_E mol:protein length:147 Small nuclear ribonucleoprotein-associated protein B MGTTKMVSLLNHSLNVTTKDGRTFVGQLLAFDGFMNLVLSDCQEYRHIKKQNVPSNSVY EEKRMLGLVILRGEFIVSLSVQGPPPMDPSMRGSLLSGPGVARPAGRGIPLGQAPVGLA GPVRGVGYTAPPPPAGFGRGAPPPGFRPV