Annotations: 4B6H

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	DCP1	e4b6hA1	A: beta barrels	X: PH domain-like	H: PH domain-like (From Topology)	T: PH domain-like	F: DCP1	ECOD (1.6)
B	DCP1	e4b6hB1	A: beta barrels	X: PH domain-like	H: PH domain-like (From Topology)	T: PH domain-like	F: DCP1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.30.29.30	Mainly Beta	Roll	PH-domain like	Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)	CATH (4.3.0)
B	2.30.29.30	Mainly Beta	Roll	PH-domain like	Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF06058	Dcp1-like decapping family (DCP1)	Dcp1-like decapping family	An essential step in mRNA turnover is decapping. In yeast, two proteins have been identified that are essential for decapping, Dcp1 (this family) and Dcp2 (Pfam:PF05026). The precise role of these proteins in the decapping reaction have not been es ...	An essential step in mRNA turnover is decapping. In yeast, two proteins have been identified that are essential for decapping, Dcp1 (this family) and Dcp2 (Pfam:PF05026). The precise role of these proteins in the decapping reaction have not been established. Evidence suggests that the Dcp1 may enhance the function of Dcp2 [1].	Domain
C, D	PF15365	Proline-rich nuclear receptor coactivator motif (PNRC)	Proline-rich nuclear receptor coactivator motif	-	Motif

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	MRNA-DECAPPING ENZYME 1A	RNA binding binding organic cyclic compound binding nucleic acid binding mRNA binding enzyme regulator activity enzyme activator activity molecular function activator activity molecular function regulator activity cytoskeletal protein binding protein binding kinesin binding identical protein binding pyrophosphatase activity RNA binding binding organic cyclic compound binding nucleic acid binding mRNA binding enzyme regulator activity enzyme activator activity molecular function activator activity molecular function regulator activity cytoskeletal protein binding protein binding kinesin binding identical protein binding pyrophosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity 5'-(N(7)-methylguanosine 5'-triphospho)-[mRNA] hydrolase activity	regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process positive regulation of metabolic process post-transcriptional regulation of gene expression regulation of RNA 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 cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process positive regulation of metabolic process post-transcriptional regulation of gene expression regulation of RNA 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 primary metabolic process regulation of cellular metabolic process negative regulation of cellular biosynthetic 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 nucleic acid catabolic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process deadenylation-dependent decapping of nuclear-transcribed mRNA regulation of metabolic process RNA decapping nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay catabolic process cellular biosynthetic process positive regulation of biological process RNA metabolic process macromolecule catabolic process mRNA destabilization organic substance metabolic process regulation of mRNA catabolic process negative regulation of cellular process mRNA methylguanosine-cap decapping negative regulation of macromolecule metabolic process regulation of biosynthetic process nuclear-transcribed mRNA catabolic process RNA destabilization biological regulation regulation of macromolecule metabolic process regulation of catabolic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound catabolic process regulation of cellular biosynthetic process positive regulation of catabolic process regulation of mRNA stability negative regulation of biosynthetic process positive regulation of mRNA catabolic process regulation of RNA stability cellular process regulation of mRNA metabolic process organic substance catabolic process nuclear-transcribed mRNA catabolic process, deadenylation-independent decay deadenylation-independent decapping of nuclear-transcribed mRNA protein localization localization cellular localization protein localization to cytoplasmic stress granule protein localization to organelle cellular macromolecule localization macromolecule localization nuclear-transcribed mRNA catabolic process, nonsense-mediated decay	intracellular organelle intracellular anatomical structure organelle intracellular non-membrane-bounded organelle cytoplasmic ribonucleoprotein granule cellular anatomical entity cytoplasm supramolecular complex non-membrane-bounded organelle ribonucleoprotein granule membrane cytosol P-body membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle intracellular non-membrane-bounded organelle cytoplasmic ribonucleoprotein granule cellular anatomical entity cytoplasm supramolecular complex non-membrane-bounded organelle ribonucleoprotein granule membrane cytosol P-body membrane-bounded organelle nucleus intracellular membrane-bounded organelle
C, D	PROLINE-RICH NUCLEAR RECEPTOR COACTIVATOR 2	-	regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process nucleobase-containing compound metabolic process organic substance biosynthetic process RNA catabolic process nuclear-transcribed mRNA catabolic process, deadenylation-independent decay mRNA catabolic process regulation of biological process cellular metabolic process negative regulation of metabolic process primary metabolic process regulation of cellular metabolic process negative regulation of cellular biosynthetic process regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process nucleobase-containing compound metabolic process organic substance biosynthetic process RNA catabolic process nuclear-transcribed mRNA catabolic process, deadenylation-independent decay mRNA catabolic process regulation of biological process cellular metabolic process negative regulation of metabolic process primary metabolic process regulation of cellular metabolic process negative regulation of cellular biosynthetic 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 nucleic acid catabolic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of metabolic process RNA decapping catabolic process cellular biosynthetic process RNA metabolic process macromolecule catabolic process organic substance metabolic process deadenylation-independent decapping of nuclear-transcribed mRNA negative regulation of cellular process mRNA methylguanosine-cap decapping negative regulation of macromolecule metabolic process regulation of biosynthetic process nuclear-transcribed mRNA catabolic process biological regulation regulation of macromolecule metabolic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound catabolic process regulation of cellular biosynthetic process negative regulation of biosynthetic process cellular process organic substance catabolic process nuclear-transcribed mRNA catabolic process, nonsense-mediated decay	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol membrane-bounded organelle intracellular organelle Golgi apparatus organelle intracellular membrane-bounded organelle endomembrane system cytoplasmic ribonucleoprotein granule ribonucleoprotein granule intracellular non-membrane-bounded organelle supramolecular complex intracellular anatomical structure cytoplasm cellular anatomical entity cytosol membrane-bounded organelle intracellular organelle Golgi apparatus organelle intracellular membrane-bounded organelle endomembrane system cytoplasmic ribonucleoprotein granule ribonucleoprotein granule intracellular non-membrane-bounded organelle supramolecular complex P-body non-membrane-bounded organelle nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR010334	mRNA-decapping enzyme subunit 1	Family
A, B	IPR031953	mRNA-decapping enzyme, C-terminal	Domain
A, B	IPR011993	PH-like domain superfamily	Homologous Superfamily
C, D	IPR026780	Proline-rich nuclear receptor coactivator 1/2	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: Q9NPI6	acute myeloid leukemia lung adenocarcinoma non-alcoholic fatty liver disease ovarian cancer astrocytic tumor lung carcinoma non-small cell lung carcinoma attention deficit hyperactivity disorder, inattentive type medulloblastoma osteosarcoma
C, D	Pharos: Q9NPJ4	adenoma myopathy ovarian cancer polycystic ovary syndrome dermatomyositis non-small cell lung carcinoma pancreatic intraductal papillary-mucinous carcinoma lymphoplasmacytic lymphoma osteosarcoma plasma cell myeloma

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.