Annotations: 1EO0

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1eo0a_	All alpha proteins	N-cbl like	Conserved domain common to transcription factors TFIIS, elongin A, CRSP70	Conserved domain common to transcription factors TFIIS, elongin A, CRSP70	Transcription elongation factor TFIIS N-domain	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Conserved domain common to transcription factors TFIIS, elongin A, CRSP70	8025222	4000991	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Conserved domain common to transcription factors TFIIS, elongin A, CRSP70	8037601	3000378	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Med26	e1eo0A1	A: alpha bundles	X: N-cbl like	H: Conserved domain common to transcription factors TFIIS, elongin A, CRSP70 (From Topology)	T: Conserved domain common to transcription factors TFIIS, elongin A, CRSP70	F: Med26	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.930.10	Mainly Alpha	Up-down Bundle	Transcription Elongation Factor S-II	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF08711	TFIIS helical bundle-like domain (Med26)	TFIIS helical bundle-like domain	Mediator is a large complex of up to 33 proteins that is conserved from plants to fungi to humans - the number and representation of individual subunits varying with species {1-2]. It is arranged into four different sections, a core, a head, a tail a ...	Mediator is a large complex of up to 33 proteins that is conserved from plants to fungi to humans - the number and representation of individual subunits varying with species {1-2]. It is arranged into four different sections, a core, a head, a tail and a kinase-activity part, and the number of subunits within each of these is what varies with species. Overall, Mediator regulates the transcriptional activity of RNA polymerase II but it would appear that each of the four different sections has a slightly different function [3]. Mediator exists in two major forms in human cells: a smaller form that interacts strongly with pol II and activates transcription, and a large form that does not interact strongly with pol II and does not directly activate transcription. Notably, the 'small' and 'large' Mediator complexes differ in their subunit composition: the Med26 subunit preferentially associates with the small, active complex, whereas cdk8, cyclin C, Med12 and Med13 associate with the large Mediator complex [4]. This family includesthe C terminal region of a number of eukaryotic hypothetical proteins which are homologous to the Saccharomyces cerevisiae protein IWS1. IWS1 is known to be an Pol II transcription elongation factor and interacts with Spt6 and Spt5 [5,6].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	TRANSCRIPTION ELONGATION FACTOR S-II	basal transcription machinery binding RNA polymerase binding protein binding binding RNA polymerase II complex binding basal RNA polymerase II transcription machinery binding RNA polymerase core enzyme binding enzyme binding molecular adaptor activity RNA polymerase II complex recruiting activity protein-macromolecule adaptor activity cation binding transition metal ion binding zinc ion binding basal transcription machinery binding RNA polymerase binding protein binding binding RNA polymerase II complex binding basal RNA polymerase II transcription machinery binding RNA polymerase core enzyme binding enzyme binding molecular adaptor activity RNA polymerase II complex recruiting activity protein-macromolecule adaptor activity cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding double-stranded DNA binding nucleic acid binding RNA polymerase II transcription regulatory region sequence-specific DNA binding transcription regulatory region nucleic acid binding	negative regulation of termination of DNA-templated transcription regulation of cellular process negative regulation of biological process protein-containing complex disassembly positive regulation of macromolecule biosynthetic process regulation of protein-containing complex disassembly regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process positive regulation of metabolic process DNA-templated transcription regulation of RNA metabolic process positive regulation of macromolecule metabolic process negative regulation of nucleobase-containing compound metabolic process negative regulation of termination of DNA-templated transcription regulation of cellular process negative regulation of biological process protein-containing complex disassembly positive regulation of macromolecule biosynthetic process regulation of protein-containing complex disassembly regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process positive regulation of metabolic process DNA-templated transcription regulation of RNA metabolic process positive regulation of macromolecule metabolic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process cellular component disassembly negative regulation of DNA-templated transcription regulation of biological process negative regulation of cellular component organization negative regulation of metabolic process primary metabolic process regulation of gene expression biosynthetic process negative regulation of macromolecule biosynthetic process regulation of termination of DNA-templated transcription regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process regulation of cellular component organization transcription antitermination positive regulation of biological process RNA metabolic process DNA-templated transcription termination RNA biosynthetic process cellular component organization nucleic acid biosynthetic process positive regulation of biosynthetic process negative regulation of protein-containing complex disassembly negative regulation of cellular process cellular component organization or biogenesis positive regulation of cellular process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process protein-containing complex organization biological regulation regulation of macromolecule metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process positive regulation of gene expression negative regulation of biosynthetic process cellular process DNA-templated transcription initiation transcription by RNA polymerase II transcription initiation at RNA polymerase II promoter mRNA processing RNA 3'-end processing RNA processing regulation of mRNA processing mRNA 3'-end processing regulation of mRNA 3'-end processing mRNA metabolic process regulation of mRNA metabolic process transcription elongation by RNA polymerase II DNA-templated transcription elongation regulation of transcription by RNA polymerase II transcription preinitiation complex assembly cellular component biogenesis regulation of DNA-templated transcription initiation cellular component assembly positive regulation of nucleobase-containing compound metabolic process positive regulation of transcription by RNA polymerase II positive regulation of DNA-templated transcription initiation positive regulation of RNA metabolic process RNA polymerase II preinitiation complex assembly regulation of RNA polymerase II transcription preinitiation complex assembly positive regulation of cellular component organization positive regulation of DNA-templated transcription protein-DNA complex organization positive regulation of protein-containing complex assembly regulation of protein-containing complex assembly protein-containing complex assembly positive regulation of RNA polymerase II transcription preinitiation complex assembly positive regulation of cellular component biogenesis positive regulation of transcription initiation by RNA polymerase II protein-DNA complex assembly regulation of cellular component biogenesis positive regulation of RNA biosynthetic process regulation of transcription initiation by RNA polymerase II positive regulation of transcription elongation by RNA polymerase II positive regulation of DNA-templated transcription, elongation regulation of DNA-templated transcription elongation regulation of transcription elongation by RNA polymerase II transcription by RNA polymerase III nucleolar large rRNA transcription by RNA polymerase I transcription elongation by RNA polymerase I transcription by RNA polymerase I rRNA transcription rRNA metabolic process maintenance of transcriptional fidelity during transcription elongation maintenance of transcriptional fidelity during transcription elongation by RNA polymerase II tRNA metabolic process tRNA transcription tRNA transcription by RNA polymerase III	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR006289	Transcription elongation factor, TFIIS	Family
A	IPR001222	Zinc finger, TFIIS-type	Domain
A	IPR003618	Transcription elongation factor S-II, central domain	Domain
A	IPR035441	TFIIS/LEDGF domain superfamily	Homologous Superfamily
A	IPR036575	Transcription elongation factor S-II, central domain superfamily	Homologous Superfamily
A	IPR035100	Transcription elongation factor, IIS-type	Family
A	IPR017923	Transcription factor IIS, N-terminal	Domain
A	IPR003617	Transcription elongation factor, TFIIS/CRSP70, N-terminal, sub-type	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.