PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11134334-3 2001 We analyzed two conditional RAG-1 mutants that affect residues quite close in the primary sequence to an active site amino acid (D600), and we found that they exhibit severely impaired recombination in the presence of certain cleavage site sequences. Gallopamil 129-133 recombination activating 1 Homo sapiens 28-33