PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10891502-6 2000 The present experiments, performed with an extensive panel of site-directed mutations within each of the six kelch motifs, further support the critical role of both hydrophobic and glycine-rich regions within the second beta-strand for RAG1-RAG2 interaction and recombination signal recognition and cleavage. Glycine 181-188 recombination activating 1 Homo sapiens 236-240