def convert_ube4b_seqid(seqid):
    """ convert the ube4b sequence ids in the raw data to the standard mutation format """
    ube4b_wt = "IEKFKLLAEKVEEIVAKNARAEIDYSDAPDEFRDPLMDTLMTDPVRLPSGTVMDRSIILRHLLNSPTDPFNRQMLTESMLEPVPELKEQIQAWMREKQSSDH"
    positions, replacements = seqid.split("-")
    positions = [int(p) for p in positions.split(",")]
    replacements = replacements.split(",")

    wpr = []
    for pos, rep in zip(positions, replacements):
        wpr.append("{}{}{}".format(ube4b_wt[pos], pos, rep))

    return ",".join(wpr)