1K3R:
reference: Deep trefoil knot implicated in RNA binding found in an archaebacterial protein., Zarembinski TI, Kim Y, Peterson K, Christendat D, Dharamsi A, Arrowsmith CH, Edwards AM, Joachimiak A, Proteins 2003 Feb 1;50(2):177-83. PMID: 12486711

This OCA Structure page
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