PR:O15068-3 hMCF2L/iso:h3 guanine nucleotide exchange factor DBS isoform h3 (human) hMCF2L/iso:h3|guanine nucleotide exchange factor DBS isoform Ost-II (human) PR:000000001 NCBITaxon:9606 HGNC:14576 PR:O15068 UniProtKB:O15068-3