PR:000036503 transcription factor Sp1 isoform 1 sumoylated 1 (human) hSP1/iso:1/Sumo:1|UniProtKB:P08047-1, Lys-16, MOD:01149 decreased capable_of GO:0003700 DNA-binding transcription factor activity PR:000036497 PMID:16407261 IDA NCBITaxon:9606 UniProtKB:P08047-1 20080301 PRO:CNA