RASGEF1B, Official Symbol RASGEF1Bprovided by HGNC Official Full Name RasGEF domain family member 1Bprovided by HGNC Primary source HGNC:HGNC:24881 See related Ensembl:ENSG00000138670 MIM:614532; AllianceGenome:HGNC:24881 Gene type protein coding RefSeq status VALIDATED Organism Homo sapiens Lineage Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo Also known as GPIG4 Summary Enables guanyl-nucleotide exchange factor activity. Predicted to be involved in regulation of catalytic activity and small GTPase mediated signal transduction. Predicted to be located in early endosome; late endosome; and midbody. [provided by Alliance of Genome Resources, Apr 2022] Expression Ubiquitous expression in skin (RPKM 10.2), bone marrow (RPKM 8.3) and 24 other tissues See more Orthologs mouse all