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5GUH

Crystal structure of silkworm PIWI-clade Argonaute Siwi bound to piRNA

Functional Information from GO Data
ChainGOidnamespacecontents
A0000287molecular_functionmagnesium ion binding
A0003676molecular_functionnucleic acid binding
A0003723molecular_functionRNA binding
A0004518molecular_functionnuclease activity
A0004519molecular_functionendonuclease activity
A0004521molecular_functionRNA endonuclease activity
A0005515molecular_functionprotein binding
A0005737cellular_componentcytoplasm
A0007283biological_processspermatogenesis
A0016787molecular_functionhydrolase activity
A0030154biological_processcell differentiation
A0030237biological_processfemale sex determination
A0031047biological_processregulatory ncRNA-mediated gene silencing
A0034584molecular_functionpiRNA binding
A0034587biological_processpiRNA processing
A0046872molecular_functionmetal ion binding
A0051321biological_processmeiotic cell cycle
A0140965biological_processsecondary piRNA processing
A0140991biological_processpiRNA-mediated gene silencing by mRNA destabilization
A1990923cellular_componentPET complex
Functional Information from PDB Data
site_idAC1
Number of Residues5
Detailsbinding site for residue MG A 901
ChainResidue
AGLN645
ALEU899
AHOH1027
BU1
BU3

site_idAC2
Number of Residues2
Detailsbinding site for residue MG A 902
ChainResidue
AASP740
ALYS780

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues38
DetailsRegion: {"description":"L0 region","evidences":[{"source":"PubMed","id":"27693359","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues72
DetailsRegion: {"description":"N region","evidences":[{"source":"PubMed","id":"27693359","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues76
DetailsRegion: {"description":"L1 region","evidences":[{"source":"PubMed","id":"27693359","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues99
DetailsRegion: {"description":"L2 region","evidences":[{"source":"PubMed","id":"27693359","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues130
DetailsRegion: {"description":"MID region","evidences":[{"source":"PubMed","id":"27693359","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues3
DetailsActive site: {"evidences":[{"source":"PubMed","id":"27693359","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"5GUH","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"27693359","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"5GUH","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

243083

PDB entries from 2025-10-15

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