Annotations: 3TJ1

Crystal Structure of RNA Polymerase I Transcription Initiation Factor Rrn3

External Resource: Annotation

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

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	ARM repeat-like	8105550	3000116	SCOP2B (2022-06-29)
A	SCOP2 Family	RRN3-like	8047077	4005437	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	ARM repeat-like	8105550	3000116	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)
B	Ion_trans_2	e3tj1B1	A: beta barrels	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Ion_trans_2	ECOD (v294.2)
A	RRN3	e3tj1A1	A: beta barrels	X: Repetitive alpha hairpins	H: ARM repeat	T: ARM repeat	F: RRN3	ECOD (v294.2)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	RNA polymerase I-specific transcription initiation factor RRN3	general transcription initiation factor activity RNA polymerase I general transcription initiation factor activity transcription factor binding protein binding binding RNA polymerase I general transcription initiation factor binding general transcription initiation factor binding DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding double-stranded DNA binding nucleic acid binding rDNA binding RNA polymerase I core binding general transcription initiation factor activity RNA polymerase I general transcription initiation factor activity transcription factor binding protein binding binding RNA polymerase I general transcription initiation factor binding general transcription initiation factor binding DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding double-stranded DNA binding nucleic acid binding rDNA binding RNA polymerase I core binding RNA polymerase binding RNA polymerase core enzyme binding enzyme binding	RNA metabolic process primary metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process DNA-templated transcription initiation RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process transcription initiation at RNA polymerase I promoter biosynthetic process transcription by RNA polymerase I RNA metabolic process primary metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process DNA-templated transcription initiation RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process transcription initiation at RNA polymerase I promoter biosynthetic process transcription by RNA polymerase I metabolic process cellular process macromolecule metabolic process	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membraneless organelle intracellular membrane-bounded organelle nucleolus intracellular organelle lumen intracellular organelle cellular anatomical structure organelle lumen organelle membraneless organelle nuclear lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR007991	RNA polymerase I specific transcription initiation factor RRN3	Family

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

CoreTrustSeal

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.