Annotations: 3KTP

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PABP	e3ktpA1	A: alpha arrays	X: PABP domain-like	H: PABC(PABP) domain (From Topology)	T: PABC(PABP) domain	F: PABP	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.1900.10	Mainly Alpha	Orthogonal Bundle	c-terminal domain of poly(a) binding protein	c-terminal domain of poly(a) binding protein	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00658	Poly-adenylate binding protein, unique domain (PABP)	Poly-adenylate binding protein, unique domain	-	Family
B	PF16608	TNRC6-PABC binding domain (TNRC6-PABC_bdg)	TNRC6-PABC binding domain	-	Disordered

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Polyadenylate-binding protein 1	mRNA 3'-UTR binding RNA binding binding organic cyclic compound binding nucleic acid binding mRNA binding translation regulator activity translation activator activity translation regulator activity, nucleic acid binding poly(A) binding poly-purine tract binding single-stranded RNA binding poly-pyrimidine tract binding poly(U) RNA binding	regulation of cellular process nuclear-transcribed mRNA catabolic process, nonsense-mediated decay negative regulation of biological process negative regulation of nitrogen compound metabolic process positive regulation of macromolecule biosynthetic process negative regulation of cellular metabolic process regulation of primary metabolic process cellular catabolic process nucleobase-containing compound metabolic process regulation of nitrogen compound metabolic process positive regulation of metabolic process regulation of RNA metabolic process heterocycle metabolic process organic substance biosynthetic process regulation of cellular process nuclear-transcribed mRNA catabolic process, nonsense-mediated decay negative regulation of biological process negative regulation of nitrogen compound metabolic process positive regulation of macromolecule biosynthetic process negative regulation of cellular metabolic process regulation of primary metabolic process cellular catabolic process nucleobase-containing compound metabolic process regulation of nitrogen compound metabolic process positive regulation of metabolic process regulation of RNA metabolic process heterocycle metabolic process organic substance biosynthetic process negative regulation of nucleobase-containing compound metabolic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process RNA catabolic process mRNA catabolic process regulation of biological process cellular metabolic process negative regulation of metabolic process regulation of cellular metabolic process cellular nitrogen compound metabolic process primary metabolic process aromatic compound catabolic process negative regulation of cellular biosynthetic process cellular nitrogen compound catabolic process nucleobase-containing compound catabolic process organic cyclic compound metabolic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of macromolecule biosynthetic process heterocycle catabolic process nucleic acid catabolic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of metabolic process negative regulation of RNA metabolic process negative regulation of cellular catabolic process catabolic process cellular biosynthetic process positive regulation of biological process RNA metabolic process positive regulation of cellular metabolic process macromolecule catabolic process negative regulation of mRNA metabolic process regulation of mRNA catabolic process organic substance metabolic process positive regulation of biosynthetic process negative regulation of cellular process nitrogen compound metabolic process positive regulation of cellular process negative regulation of macromolecule metabolic process regulation of biosynthetic process negative regulation of catabolic process nuclear-transcribed mRNA catabolic process negative regulation of nuclear-transcribed mRNA catabolic process, nonsense-mediated decay biological regulation negative regulation of mRNA catabolic process negative regulation of RNA catabolic process regulation of catabolic process regulation of macromolecule metabolic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound catabolic process regulation of nuclear-transcribed mRNA catabolic process, nonsense-mediated decay regulation of cellular biosynthetic process negative regulation of biosynthetic process positive regulation of gene expression regulation of cellular catabolic process cellular process regulation of mRNA metabolic process organic substance catabolic process cellular aromatic compound metabolic process positive regulation of cellular biosynthetic process post-transcriptional regulation of gene expression regulation of biological quality mRNA stabilization regulation of mRNA stability CRD-mediated mRNA stabilization RNA stabilization regulation of RNA stability positive regulation of nucleobase-containing compound metabolic process positive regulation of mRNA metabolic process positive regulation of nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay positive regulation of RNA metabolic process nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay mRNA destabilization regulation of nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay RNA destabilization positive regulation of catabolic process positive regulation of nitrogen compound metabolic process positive regulation of mRNA catabolic process positive regulation of cellular catabolic process positive regulation of nuclear-transcribed mRNA poly(A) tail shortening nuclear-transcribed mRNA poly(A) tail shortening regulation of nuclear-transcribed mRNA poly(A) tail shortening negative regulation of nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay regulatory ncRNA-mediated gene silencing positive regulation of protein metabolic process organonitrogen compound biosynthetic process positive regulation of translation positive regulation of cytoplasmic translation protein metabolic process organonitrogen compound metabolic process regulation of protein metabolic process translation regulation of translation cytoplasmic translation regulation of cytoplasmic translation positive regulation of viral genome replication positive regulation of viral process viral life cycle regulation of viral process regulation of viral life cycle viral genome replication viral process regulation of viral genome replication mRNA processing RNA processing RNA splicing RNA splicing, via transesterification reactions mRNA splicing, via spliceosome RNA splicing, via transesterification reactions with bulged adenosine as nucleophile	anchoring junction cell junction cellular anatomical entity focal adhesion cell-substrate junction cell projection cell leading edge plasma membrane bounded cell projection lamellipodium intracellular anatomical structure cytoplasmic ribonucleoprotein granule ribonucleoprotein granule intracellular organelle organelle anchoring junction cell junction cellular anatomical entity focal adhesion cell-substrate junction cell projection cell leading edge plasma membrane bounded cell projection lamellipodium intracellular anatomical structure cytoplasmic ribonucleoprotein granule ribonucleoprotein granule intracellular organelle organelle intracellular non-membrane-bounded organelle cytoplasm supramolecular complex non-membrane-bounded organelle cytoplasmic stress granule membrane membrane-bounded organelle catalytic step 2 spliceosome protein-containing complex catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle spliceosomal complex ribonucleoprotein complex extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular space vesicle extracellular membrane-bounded organelle cytosol mCRD-mediated mRNA stability complex
B	Trinucleotide repeat-containing gene 6C protein	RNA binding binding organic cyclic compound binding nucleic acid binding	regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process cellular catabolic process nucleobase-containing compound metabolic process regulation of nitrogen compound metabolic process post-transcriptional regulation of gene expression positive regulation of metabolic process regulation of RNA metabolic process heterocycle metabolic process organic substance biosynthetic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process cellular catabolic process nucleobase-containing compound metabolic process regulation of nitrogen compound metabolic process post-transcriptional regulation of gene expression positive regulation of metabolic process regulation of RNA metabolic process heterocycle metabolic process organic substance biosynthetic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process regulation of biological quality RNA catabolic process mRNA catabolic process regulation of biological process positive regulation of nucleobase-containing compound metabolic process cellular metabolic process negative regulation of metabolic process positive regulation of mRNA metabolic process regulation of cellular metabolic process cellular nitrogen compound metabolic process primary metabolic process aromatic compound catabolic process positive regulation of nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay negative regulation of cellular biosynthetic process cellular nitrogen compound catabolic process nucleobase-containing compound catabolic process positive regulation of RNA metabolic process organic cyclic compound metabolic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of macromolecule biosynthetic process heterocycle catabolic process nucleic acid catabolic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of metabolic process nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay catabolic process cellular biosynthetic process positive regulation of biological process RNA metabolic process positive regulation of cellular metabolic process macromolecule catabolic process mRNA destabilization regulation of mRNA catabolic process organic substance metabolic process negative regulation of cellular process regulation of nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay nitrogen compound metabolic process positive regulation of cellular process negative regulation of macromolecule metabolic process regulation of biosynthetic process RNA destabilization nuclear-transcribed mRNA catabolic process biological regulation regulation of catabolic process regulation of macromolecule metabolic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound catabolic process regulation of mRNA stability regulation of cellular biosynthetic process positive regulation of catabolic process positive regulation of nitrogen compound metabolic process negative regulation of biosynthetic process positive regulation of mRNA catabolic process regulation of RNA stability regulation of cellular catabolic process positive regulation of cellular catabolic process cellular process regulation of mRNA metabolic process organic substance catabolic process cellular aromatic compound metabolic process organonitrogen compound biosynthetic process negative regulation of nitrogen compound metabolic process negative regulation of protein metabolic process regulation of protein metabolic process miRNA-mediated post-transcriptional gene silencing post-transcriptional gene silencing negative regulation of translation miRNA-mediated gene silencing by inhibition of translation protein metabolic process organonitrogen compound metabolic process translation regulatory ncRNA-mediated post-transcriptional gene silencing regulatory ncRNA-mediated gene silencing regulation of translation positive regulation of nuclear-transcribed mRNA poly(A) tail shortening nuclear-transcribed mRNA poly(A) tail shortening regulation of nuclear-transcribed mRNA poly(A) tail shortening	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol cytoplasmic ribonucleoprotein granule ribonucleoprotein granule intracellular organelle organelle intracellular non-membrane-bounded organelle supramolecular complex P-body non-membrane-bounded organelle membrane-bounded organelle nucleus intracellular anatomical structure cytoplasm cellular anatomical entity cytosol cytoplasmic ribonucleoprotein granule ribonucleoprotein granule intracellular organelle organelle intracellular non-membrane-bounded organelle supramolecular complex P-body non-membrane-bounded organelle membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR006515	Polyadenylate binding protein, human types 1, 2, 3, 4	Family
A	IPR002004	Polyadenylate-binding protein/Hyperplastic disc protein	Domain
A	IPR003954	RNA recognition motif domain, eukaryote	Domain
A	IPR000504	RNA recognition motif domain	Domain
A	IPR012677	Nucleotide-binding alpha-beta plait domain superfamily	Homologous Superfamily
A	IPR036053	PABC (PABP) domain	Homologous Superfamily
A	IPR034364	PABP, RNA recognition motif 1	Domain
A	IPR035979	RNA-binding domain superfamily	Homologous Superfamily
A	IPR045305	PABP, RNA recognition motif 2	Domain
B	IPR032226	TNRC6, PABC binding domain	Domain
B	IPR000504	RNA recognition motif domain	Domain
B	IPR034927	TNRC6C, RNA recognition motif	Domain
B	IPR041917	Trinucleotide repeat-containing gene 6C protein, UBA domain	Domain
B	IPR012677	Nucleotide-binding alpha-beta plait domain superfamily	Homologous Superfamily
B	IPR019486	Argonaute hook domain	Domain
B	IPR009060	UBA-like superfamily	Homologous Superfamily
B	IPR035979	RNA-binding domain superfamily	Homologous Superfamily
B	IPR015940	Ubiquitin-associated domain	Domain
B	IPR026805	GW182, middle domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P11940	transitional cell carcinoma breast carcinoma urinary bladder cancer astrocytic tumor Down syndrome lung cancer Mammary Neoplasms, Human spina bifida urinary bladder neoplasm breast cancer Duchenne muscular dystrophy myopathy juvenile dermatomyositis ovarian cancer
B	Pharos: Q9HCJ0	large cell medulloblastoma osteosarcoma primitive neuroectodermal tumor tuberculosis medulloblastoma pancreatic ductal adenocarcinoma progressive supranuclear palsy oligodendroglioma Pick disease subependymal giant cell astrocytoma

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.