PR:000000370 smad4 sequence variant G386D (human) hSMAD4/var:G386D|smad4 sequence variant 4 (human)|UniProtKB:Q13485, Gly-386, CHEBI:29958 associated_with_disease_progression DOID:0050787 juvenile polyposis syndrome PMID:15031030 EXP NCBITaxon:9606 UniProtKB_VAR:VAR_019573 20080301 PRO:CNA