A protein complex formed by the association of several methylated Sm proteins with the SMN complex; the latter contains the survival motor neuron (SMN) protein and at least eight additional integral components, including the Gemin2-8 and unrip proteins; additional proteins, including galectin-1 and galectin-3, are also found in the SMN-SM complex. The SMN-Sm complex is involved in spliceosomal snRNP assembly in the cytoplasm. (Gene Ontology, GO_0034719)
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17 proteins localized to the smn-sm protein complex cellular component from the COMPARTMENTS Curated Protein Localization Evidence Scores dataset.