1RO4

RDC-derived models of the zinc ribbon domain of human general transcription factor TFIIB (zinc free structures)

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1ro4a_	Small proteins	Rubredoxin-like	Zinc beta-ribbon	Transcriptional factor domain	Transcription initiation factor TFIIB, N-terminal domain	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Zinc beta-ribbon	8039152	3001238	SCOP2B (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	TF_Zn_Ribbon	e1ro4A1	A: few secondary structure elements	X: Rubredoxin-like	H: Rubredoxin-related	T: Rubredoxin-related	F: TF_Zn_Ribbon	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.20.25.10	Mainly Beta	Single Sheet	N-terminal domain of TfIIb		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF08271	TFIIB zinc-binding (TF_Zn_Ribbon)	TFIIB zinc-binding	The transcription factor TFIIB contains a zinc-binding motif near the N-terminus. This domain is involved in the interaction with RNA pol II and TFIIF and plays a crucial role in selecting the transcription initiation site. The domain adopts a zinc ...	The transcription factor TFIIB contains a zinc-binding motif near the N-terminus. This domain is involved in the interaction with RNA pol II and TFIIF and plays a crucial role in selecting the transcription initiation site. The domain adopts a zinc ribbon like structure [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Transcription initiation factor IIB	transcription factor binding RNA polymerase II-specific DNA-binding transcription factor binding nuclear receptor binding nuclear thyroid hormone receptor binding protein binding binding DNA-binding transcription factor binding catalytic activity, acting on a protein N-acetyltransferase activity acyltransferase activity transferase activity peptide N-acetyltransferase activity histone acetyltransferase activity acetyltransferase activity transcription factor binding RNA polymerase II-specific DNA-binding transcription factor binding nuclear receptor binding nuclear thyroid hormone receptor binding protein binding binding DNA-binding transcription factor binding catalytic activity, acting on a protein N-acetyltransferase activity acyltransferase activity transferase activity peptide N-acetyltransferase activity histone acetyltransferase activity acetyltransferase activity peptide-lysine-N-acetyltransferase activity histone modifying activity acyltransferase activity, transferring groups other than amino-acyl groups catalytic activity N-acyltransferase activity protein-containing complex binding chromatin binding promoter-specific chromatin binding basal transcription machinery binding RNA polymerase binding RNA polymerase II complex binding basal RNA polymerase II transcription machinery binding RNA polymerase core enzyme binding enzyme binding TBP-class protein binding general transcription initiation factor binding general transcription initiation factor activity RNA polymerase II general transcription initiation factor activity DNA binding sequence-specific DNA binding double-stranded DNA binding core promoter sequence-specific DNA binding nucleic acid binding RNA polymerase II core promoter sequence-specific DNA binding RNA polymerase II transcription regulatory region sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding organic cyclic compound binding transcription regulatory region nucleic acid binding cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding	cellular biosynthetic process transcription preinitiation complex assembly RNA metabolic process cellular component organization cellular component biogenesis protein-DNA complex organization RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process cellular component assembly organic substance metabolic process transcription by RNA polymerase II heterocycle metabolic process protein-containing complex assembly cellular biosynthetic process transcription preinitiation complex assembly RNA metabolic process cellular component organization cellular component biogenesis protein-DNA complex organization RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process cellular component assembly organic substance metabolic process transcription by RNA polymerase II heterocycle metabolic process protein-containing complex assembly organic substance biosynthetic process nitrogen compound metabolic process cellular component organization or biogenesis transcription initiation at RNA polymerase II promoter protein-containing complex organization cellular metabolic process protein-DNA complex assembly cellular nitrogen compound metabolic process primary metabolic process nucleobase-containing compound biosynthetic process heterocycle biosynthetic process gene expression macromolecule biosynthetic process DNA-templated transcription initiation nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process aromatic compound biosynthetic process organic cyclic compound biosynthetic process RNA polymerase II preinitiation complex assembly cellular process metabolic process macromolecule metabolic process cellular aromatic compound metabolic process RNA polymerase II core complex assembly organelle assembly non-membrane-bounded organelle assembly microtubule cytoskeleton organization spindle assembly organelle organization microtubule-based process cell cycle cytoskeleton organization chromosome segregation spindle organization cell cycle process chromosome organization sister chromatid cohesion meiotic sister chromatid cohesion viral gene expression viral process viral transcription organonitrogen compound metabolic process protein acylation protein acetylation macromolecule modification protein metabolic process protein modification process DNA-templated transcriptional start site selection transcriptional start site selection at RNA polymerase II promoter regulation of core promoter binding regulation of DNA binding regulation of binding regulation of transcription regulatory region DNA binding biological regulation positive regulation of core promoter binding positive regulation of binding positive regulation of DNA binding regulation of molecular function positive regulation of molecular function positive regulation of transcription regulatory region DNA binding	RNA polymerase II transcription regulator complex membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex transcription regulator complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle organelle germinal vesicle germ cell nucleus female germ cell nucleus RNA polymerase II transcription regulator complex membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex transcription regulator complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle organelle germinal vesicle germ cell nucleus female germ cell nucleus cell division site transcription preinitiation complex protein-DNA complex RNA polymerase II, holoenzyme membrane-enclosed lumen transferase complex intracellular organelle lumen nucleoplasm catalytic complex transferase complex, transferring phosphorus-containing groups nuclear DNA-directed RNA polymerase complex organelle lumen RNA polymerase complex transcription factor TFIID complex DNA-directed RNA polymerase complex intracellular protein-containing complex nuclear lumen chromosome chromosomal region kinetochore intracellular non-membrane-bounded organelle chromosome, centromeric region condensed chromosome, centromeric region supramolecular complex condensed chromosome non-membrane-bounded organelle nuclear body

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR000812	Transcription factor TFIIB	Family
A	IPR013137	Zinc finger, TFIIB-type	Domain
A	IPR023486	Transcription factor TFIIB, conserved site	Conserved Site
A	IPR013150	Transcription factor TFIIB, cyclin-like domain	Domain
A	IPR036915	Cyclin-like superfamily	Homologous Superfamily
A	IPR013763	Cyclin-like domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q00403	colorectal cancer lung cancer pancreatic intraductal papillary-mucinous neoplasm dermatomyositis osteosarcoma plasma cell myeloma diabetes mellitus ovarian cancer

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.