PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18469014-2 2008 The cycling of Ran between its GTP- and GDP-bound forms is catalyzed by the chromatin-bound guanine nucleotide exchange factor RCC1 and the cytoplasmic Ran GTPase-activating protein RanGAP. Guanosine Diphosphate 40-43 regulator of chromosome condensation 1 Homo sapiens 127-131