Annotations: 2NNT

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	MarR	e2nntD1	A: alpha bundles	X: HTH	H: Nudix	T: winged helix domain	F: MarR	ECOD (develop294)
C	MarR	e2nntC1	A: alpha bundles	X: HTH	H: Nudix	T: winged helix domain	F: MarR	ECOD (develop294)
B	MarR	e2nntB1	A: alpha bundles	X: HTH	H: Nudix	T: winged helix domain	F: MarR	ECOD (develop294)
A	RGS	e2nntA1	A: alpha bundles	X: Globin-like	H: Globin-like	T: Globin-like	F: RGS	ECOD (develop294)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00397	WW domain (WW)	WW domain	The WW domain is a protein module with two highly conserved tryptophans that binds proline-rich peptide motifs in vitro.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Transcription elongation regulator 1	transcription corepressor activity transcription regulator activity transcription coregulator activity protein-macromolecule adaptor activity molecular adaptor activity transcription factor binding RNA polymerase II-specific DNA-binding transcription factor binding protein binding binding DNA-binding transcription factor binding transcription coactivator activity transcription elongation factor activity RNA polymerase binding enzyme binding transcription corepressor activity transcription regulator activity transcription coregulator activity protein-macromolecule adaptor activity molecular adaptor activity transcription factor binding RNA polymerase II-specific DNA-binding transcription factor binding protein binding binding DNA-binding transcription factor binding transcription coactivator activity transcription elongation factor activity RNA polymerase binding enzyme binding RNA binding nucleic acid binding ubiquitin-like protein conjugating enzyme binding identical protein binding	RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process biosynthetic process metabolic process cellular process RNA processing RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process biosynthetic process metabolic process cellular process RNA processing macromolecule metabolic process transcription elongation by RNA polymerase II regulation of cellular process negative regulation of biological process negative regulation of transcription elongation by RNA polymerase II regulation of primary metabolic process negative regulation of RNA biosynthetic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of DNA-templated transcription elongation negative regulation of DNA-templated transcription regulation of biological process regulation of transcription elongation by RNA polymerase II negative regulation of metabolic process biological regulation regulation of macromolecule metabolic process negative regulation of DNA-templated transcription, elongation regulation of gene expression DNA-templated transcription elongation negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process positive regulation of DNA-templated transcription positive regulation of transcription elongation by RNA polymerase II positive regulation of biological process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process positive regulation of DNA-templated transcription, elongation positive regulation of macromolecule metabolic process positive regulation of cellular 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 negative regulation of transcription by RNA polymerase II mRNA processing mRNA metabolic process	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membraneless organelle intracellular membrane-bounded organelle intracellular organelle lumen nuclear speck ribonucleoprotein granule intracellular organelle nuclear body cellular anatomical structure nucleoplasm organelle lumen membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membraneless organelle intracellular membrane-bounded organelle intracellular organelle lumen nuclear speck ribonucleoprotein granule intracellular organelle nuclear body cellular anatomical structure nucleoplasm organelle lumen organelle membraneless organelle supramolecular complex nuclear ribonucleoprotein granule nuclear lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR036517	FF domain superfamily	Homologous Superfamily
A, B, C, D	IPR002713	FF domain	Domain
A, B, C, D	IPR036020	WW domain superfamily	Homologous Superfamily
A, B, C, D	IPR057565	Transcription elongation regulator 1-like, third WW domain	Domain
A, B, C, D	IPR001202	WW domain	Domain
A, B, C, D	IPR045148	Transcription elongation regulator 1-like	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D	Pharos: O14776	astrocytic tumor pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia osteosarcoma pancreatic intraductal papillary-mucinous carcinoma

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.