| 2GW6: reference: Three-dimensional structure determined for a subunit of human tRNA splicing endonuclease (Sen15) reveals a novel dimeric fold., Song J, Markley JL, J Mol Biol. 2007 Feb 9;366(1):155-64. Epub 2006 Nov 11. PMID: 17166513 |
This OCA 
Structure page
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(documentation).