>2LB0_1|Chain A|E3 ubiquitin-protein ligase SMURF1|Homo sapiens (9606) GAMELPEGYEQRTTVQGQVYFLHTQTGVSTWHDPRI >2LB0_2|Chain B|Mothers against decapentaplegic homolog 1|Homo sapiens (9606) TSSDPGSPFQ