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9SHP

Cryo-EM structure of the endogeneous MIWI in complex with pachytene piRNA at 3.3A

Functional Information from GO Data
ChainGOidnamespacecontents
B0003727molecular_functionsingle-stranded RNA binding
B0003729molecular_functionmRNA binding
B0004521molecular_functionRNA endonuclease activity
B0005515molecular_functionprotein binding
B0005634cellular_componentnucleus
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0007283biological_processspermatogenesis
B0007286biological_processspermatid development
B0019901molecular_functionprotein kinase binding
B0031047biological_processregulatory ncRNA-mediated gene silencing
B0033391cellular_componentchromatoid body
B0034584molecular_functionpiRNA binding
B0034587biological_processpiRNA processing
B0035092biological_processsperm DNA condensation
B0036464cellular_componentcytoplasmic ribonucleoprotein granule
B0043186cellular_componentP granule
B0097433cellular_componentdense body
B0140262molecular_functionmRNA cap binding complex binding
B0140966biological_processpiRNA-mediated heterochromatin formation
B0140990biological_processprimary piRNA processing
B0140991biological_processpiRNA-mediated gene silencing by mRNA destabilization
B0141005biological_processtransposable element silencing by heterochromatin formation
B0141006biological_processtransposable element silencing by piRNA-mediated heterochromatin formation
B2000765biological_processregulation of cytoplasmic translation
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsRegion: {"description":"Required for binding 2'-O-methylated 3'-end of piRNAs","evidences":[{"source":"PubMed","id":"21237665","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues136
DetailsRegion: {"description":"MID region","evidences":[{"source":"PubMed","id":"24757166","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues7
DetailsMotif: {"description":"D-box","evidences":[{"source":"PubMed","id":"23328397","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsActive site: {"evidences":[{"source":"PubMed","id":"22121019","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues3
DetailsActive site: {"evidences":[{"source":"UniProtKB","id":"A8D8P8","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

253795

PDB entries from 2026-05-20

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