5WH1

Apo form of the C-terminal region of human Transcription Factor IIB

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Cyclin-like	8043880	3000768	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Cyclin-like	8043882	3000768	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Cyclin-like	8043880	3000768	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Cyclin-like	8043882	3000768	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Cyclin-like	8043880	3000768	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Cyclin-like	8043882	3000768	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Cyclin-like	8043880	3000768	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Cyclin-like	8043882	3000768	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	TFIIB	e5wh1A2	A: alpha arrays	X: HTH	H: HTH	T: Cyclin-like	F: TFIIB	ECOD (1.6)
B	TFIIB	e5wh1B2	A: alpha arrays	X: HTH	H: HTH	T: Cyclin-like	F: TFIIB	ECOD (1.6)
C	TFIIB	e5wh1C1	A: alpha arrays	X: HTH	H: HTH	T: Cyclin-like	F: TFIIB	ECOD (1.6)
D	TFIIB	e5wh1D1	A: alpha arrays	X: HTH	H: HTH	T: Cyclin-like	F: TFIIB	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00382	Transcription factor TFIIB repeat (TFIIB)	Transcription factor TFIIB repeat	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	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 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 transcription by RNA polymerase II protein-containing complex assembly cellular component organization or biogenesis 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 transcription by RNA polymerase II protein-containing complex assembly cellular component organization or biogenesis transcription initiation at RNA polymerase II promoter protein-containing complex organization cellular metabolic process protein-DNA complex assembly primary metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process DNA-templated transcription initiation nucleic acid metabolic process biosynthetic process RNA polymerase II preinitiation complex assembly cellular process metabolic process macromolecule 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 protein acetylation macromolecule modification protein metabolic process protein modification process protein acylation 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, B, C, D	IPR000812	Transcription factor TFIIB	Family
A, B, C, D	IPR013137	Zinc finger, TFIIB-type	Domain
A, B, C, D	IPR023486	Transcription factor TFIIB, conserved site	Conserved Site
A, B, C, D	IPR013150	Transcription factor TFIIB, cyclin-like domain	Domain
A, B, C, D	IPR036915	Cyclin-like superfamily	Homologous Superfamily
A, B, C, D	IPR013763	Cyclin-like domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D	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 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.