>tr|Q544D2|Q544D2_MOUSE DNA-binding protein inhibitor ID-4 OS=Mus musculus GN=Id4 MKAVSPVRPSGRKAPSGCGGGELALRCLAEHGHSLGGSAAAAAAAAAARCKAAEAAADEP ALCLQCDMNDCYSRLRRLVPTIPPNKKVSKVEILQHVIDYILDLQLALETHPALLRQPPP PAPPLHPAGACPVAPPRTPLTALNTDPAGAVNKQGDSILCR