Annotations: 5L3T

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B		e5l3tB1	A: a/b three-layered sandwiches	X: Rossmann-like	H: RIFT-related	T: acid protease	F:	ECOD (v294.1)
A		e5l3tA1	A: a/b three-layered sandwiches	X: Rossmann-like	H: RIFT-related	T: acid protease	F:	ECOD (v294.1)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B	PF01399	PCI domain (PCI)	PCI domain	This domain has also been called the PINT motif (Proteasome, Int-6, Nip-1 and TRIP-15) [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
F	Sac3polyAla	-	-	-
D, E	Sac3polyAla	-	-	-
C	26S proteasome complex subunit SEM1	molecular adaptor activity protein folding chaperone	catabolic process primary metabolic process protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process ubiquitin-dependent protein catabolic process metabolic process cellular process protein metabolic process macromolecule metabolic process chromosome organization DNA metabolic process maintenance of DNA repeat elements catabolic process primary metabolic process protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process ubiquitin-dependent protein catabolic process metabolic process cellular process protein metabolic process macromolecule metabolic process chromosome organization DNA metabolic process maintenance of DNA repeat elements nucleic acid metabolic process cellular component organization nucleobase-containing compound metabolic process organelle organization cellular component organization or biogenesis maintenance of DNA trinucleotide repeats cellular response to stimulus double-strand break repair response to stimulus DNA recombination cellular response to stress DNA damage response response to stress recombinational repair double-strand break repair via homologous recombination DNA repair growth filamentous growth SAGA complex localization to transcription regulatory region localization macromolecule localization protein-containing complex localization cellular localization nitrogen compound transport nucleocytoplasmic transport transport nuclear transport mRNA transport intercellular transport mRNA export from nucleus establishment of localization in cell RNA localization nuclear export nucleobase-containing compound transport RNA transport nucleic acid transport intracellular transport gene expression establishment of localization macromolecule biosynthetic process RNA export from nucleus establishment of RNA localization biosynthetic process cellular component biogenesis proteasome assembly cellular component assembly protein-containing complex organization protein-containing complex assembly regulation of biological process regulation of cellular process biological regulation cell cycle regulation of cell cycle positive regulation of DNA-templated transcription positive regulation of biological process RNA metabolic process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process RNA biosynthetic process nucleic acid biosynthetic process positive regulation of metabolic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II positive regulation of biosynthetic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process positive regulation of cellular process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of transcription by RNA polymerase II regulation of macromolecule metabolic process positive regulation of transcription by RNA polymerase II nucleobase-containing compound biosynthetic process positive regulation of RNA metabolic process regulation of gene expression positive regulation of RNA biosynthetic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription regulation of metabolic process proteasomal protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process	protein-containing complex catalytic complex peptidase complex proteasome complex endopeptidase complex intracellular protein-containing complex cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle intracellular organelle organelle nucleus protein-containing complex catalytic complex peptidase complex proteasome complex endopeptidase complex intracellular protein-containing complex cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle intracellular organelle organelle nucleus nuclear protein-containing complex intracellular membrane-bounded organelle transcription export complex 2 proteasome regulatory particle proteasome regulatory particle, lid subcomplex proteasome accessory complex membraneless organelle intracellular membraneless organelle proteasome storage granule
B	Nuclear mRNA export protein THP1	DNA binding double-stranded DNA binding binding nucleic acid binding RNA binding	mRNA 3'-end processing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process mRNA processing mRNA metabolic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process biosynthetic process RNA 3'-end processing mRNA 3'-end processing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process mRNA processing mRNA metabolic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process biosynthetic process RNA 3'-end processing metabolic process cellular process RNA processing macromolecule metabolic process cellular localization nitrogen compound transport nucleocytoplasmic transport transport nuclear transport mRNA transport localization intercellular transport mRNA export from nucleus establishment of localization in cell RNA localization nuclear export nucleobase-containing compound transport RNA transport nucleic acid transport poly(A)+ mRNA export from nucleus intracellular transport establishment of localization RNA export from nucleus establishment of RNA localization macromolecule localization cytoskeleton-dependent cytokinesis mitotic cytokinesis cytokinesis establishment or maintenance of cell polarity mitotic cell cycle establishment of cell polarity mitotic cell cycle process cell cycle cell division cellular bud site selection cell cycle process transcription elongation by RNA polymerase II DNA-templated transcription DNA-templated transcription elongation transcription by RNA polymerase II cellular component organization organelle organization chromosome organization cellular component organization or biogenesis transcription-dependent tethering of RNA polymerase II gene DNA at nuclear periphery post-transcriptional tethering of RNA polymerase II gene DNA at nuclear periphery regulation of cellular process catabolic process negative regulation of biological process macromolecule catabolic process negative regulation of cellular process RNA surveillance RNA catabolic process negative regulation of macromolecule metabolic process regulation of biosynthetic process mRNA catabolic process nuclear RNA surveillance nuclear-transcribed mRNA catabolic process regulation of biological process negative regulation of metabolic process nuclear mRNA surveillance biological regulation regulation of macromolecule metabolic process nucleobase-containing compound catabolic process regulation of gene expression negative regulation of gene expression negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process nucleic acid catabolic process regulation of macromolecule biosynthetic process regulation of metabolic process cellular response to stimulus response to stimulus transcription-coupled nucleotide-excision repair DNA metabolic process cellular response to stress nucleotide-excision repair DNA damage response response to stress DNA repair positive regulation of DNA-templated transcription positive regulation of biological process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process positive regulation of metabolic process regulation of RNA metabolic process positive regulation of biosynthetic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process positive regulation of cellular process regulation of RNA biosynthetic process regulation of transcription by RNA polymerase II positive regulation of transcription by RNA polymerase II positive regulation of RNA metabolic process positive regulation of RNA biosynthetic process regulation of DNA-templated transcription	membrane-bounded organelle intracellular organelle organelle envelope cellular anatomical structure intracellular anatomical structure organelle nuclear envelope nucleus intracellular membrane-bounded organelle endomembrane system protein-containing complex nuclear protein-containing complex transcription export complex 2
A	Nuclear mRNA export protein SAC3	molecular adaptor activity	mRNA 3'-end processing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process mRNA processing mRNA metabolic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process biosynthetic process RNA 3'-end processing mRNA 3'-end processing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process mRNA processing mRNA metabolic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process biosynthetic process RNA 3'-end processing metabolic process cellular process RNA processing macromolecule metabolic process actin filament-based process cell cycle mitotic cell cycle cellular localization establishment of protein localization nucleocytoplasmic transport transport nuclear transport intracellular transport protein export from nucleus establishment of localization localization intercellular transport protein transport establishment of localization in cell macromolecule localization intracellular protein localization nuclear export intracellular protein transport nitrogen compound transport mRNA transport mRNA export from nucleus RNA localization nucleobase-containing compound transport RNA transport nucleic acid transport RNA export from nucleus establishment of RNA localization cellular component biogenesis ribosome biogenesis ribonucleoprotein complex biogenesis cellular component organization or biogenesis ribosomal small subunit biogenesis cellular component organization organelle organization chromosome organization transcription-dependent tethering of RNA polymerase II gene DNA at nuclear periphery post-transcriptional tethering of RNA polymerase II gene DNA at nuclear periphery regulation of cellular process catabolic process negative regulation of biological process macromolecule catabolic process negative regulation of cellular process RNA surveillance RNA catabolic process negative regulation of macromolecule metabolic process regulation of biosynthetic process mRNA catabolic process nuclear RNA surveillance nuclear-transcribed mRNA catabolic process regulation of biological process negative regulation of metabolic process nuclear mRNA surveillance biological regulation regulation of macromolecule metabolic process nucleobase-containing compound catabolic process regulation of gene expression negative regulation of gene expression negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process nucleic acid catabolic process regulation of macromolecule biosynthetic process regulation of metabolic process cellular response to stimulus response to stimulus transcription-coupled nucleotide-excision repair DNA metabolic process cellular response to stress nucleotide-excision repair DNA damage response response to stress DNA repair positive regulation of DNA-templated transcription positive regulation of biological process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process positive regulation of metabolic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II positive regulation of biosynthetic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process positive regulation of cellular process regulation of RNA biosynthetic process regulation of transcription by RNA polymerase II positive regulation of transcription by RNA polymerase II positive regulation of RNA metabolic process positive regulation of RNA biosynthetic process regulation of DNA-templated transcription	membrane-bounded organelle intracellular organelle protein-containing complex cellular anatomical structure intracellular anatomical structure organelle nucleus nuclear protein-containing complex intracellular membrane-bounded organelle transcription export complex 2 cytoplasm endomembrane system nuclear pore cytoplasmic filaments organelle envelope membrane-bounded organelle intracellular organelle protein-containing complex cellular anatomical structure intracellular anatomical structure organelle nucleus nuclear protein-containing complex intracellular membrane-bounded organelle transcription export complex 2 cytoplasm endomembrane system nuclear pore cytoplasmic filaments organelle envelope nuclear envelope nuclear pore

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C	IPR007834	DSS1/SEM1	Family
B	IPR045114	Csn12 family	Family
B	IPR000717	Proteasome component (PCI) domain	Domain
A	IPR017173	Nuclear mRNA export protein Sac3	Family
A	IPR045107	SAC3/GANP/THP3	Family
A	IPR000717	Proteasome component (PCI) domain	Domain
A	IPR024293	SAC3 helical domain	Domain
A	IPR005062	SAC3/GANP/THP3, conserved domain	Domain

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.