Structural highlights 
| 4ktg is a 3 chain structure with sequence from Tbsv. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. 
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| Ligands: |  | 
| Related: | 4kq0, 4knq, 1r9f, 4j39, 4j5v, 4jgn | 
| Gene: | ORF4 (TBSV) | 
| Resources: | FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT | 
  Function 
[P19_TBSVK] Viral suppressor of RNA silencing which binds specifically to silencing RNAs (siRNAs). Acts as a molecular caliper to specifically select siRNAs based on the length of the duplex region of the RNA (By similarity).