RNA polymerase I subunit B

mammalian protein found in Rattus norvegicus

Protein protein Q28560014

Press Enter · cited answer in seconds

Summary

RNA polymerase I subunit B is a protein^[1].

Key Facts

RNA polymerase I subunit B's instance of is recorded as protein^[2].
RNA polymerase I subunit B's subclass of is recorded as protein^[3].
RNA polymerase I subunit B's UniProt protein ID is recorded as O54888^[4].
RNA polymerase I subunit B's part of is recorded as DNA-directed RNA polymerase, subunit 2^[5].
RNA polymerase I subunit B's part of is recorded as DNA-directed RNA polymerase, subunit 2, hybrid-binding domain superfamily^[6].
RNA polymerase I subunit B's part of is recorded as RNA polymerase Rpb2, domain 2 superfamily^[7].
RNA polymerase I subunit B's part of is recorded as RNA polymerase Rpb2, OB-fold^[8].
RNA polymerase I subunit B's part of is recorded as RNA polymerase Rpb2, domain 3, protein family^[9].
RNA polymerase I subunit B's part of is recorded as RNA polymerase Rpb2, domain 7, protein family^[10].
RNA polymerase I subunit B's part of is recorded as RNA polymerase Rpb2, domain 2, protein family^[11].
RNA polymerase I subunit B's part of is recorded as RNA polymerase, beta subunit, protrusion, protein family^[12].
RNA polymerase I subunit B's part of is recorded as DNA-directed RNA polymerase, subunit 2, hybrid-binding domain, protein family^[13].
RNA polymerase I subunit B's part of is recorded as RNA polymerase, beta subunit, conserved site, protein family^[14].
RNA polymerase I subunit B's has part is recorded as RNA polymerase, beta subunit, conserved site^[15].
RNA polymerase I subunit B's has part is recorded as RNA polymerase Rpb2, domain 2^[16].
RNA polymerase I subunit B's has part is recorded as DNA-directed RNA polymerase, subunit 2, hybrid-binding domain^[17].
RNA polymerase I subunit B's has part is recorded as RNA polymerase, beta subunit, protrusion^[18].
RNA polymerase I subunit B's has part is recorded as RNA polymerase Rpb2, domain 7^[19].
RNA polymerase I subunit B's has part is recorded as RNA polymerase Rpb2, domain 3^[20].
RNA polymerase I subunit B's RefSeq protein ID is recorded as NP_113961^[21].
RNA polymerase I subunit B's molecular function is recorded as RNA polymerase I activity^[22].
RNA polymerase I subunit B's molecular function is recorded as molecular function^[23].
RNA polymerase I subunit B's molecular function is recorded as DNA binding^[24].
RNA polymerase I subunit B's molecular function is recorded as DNA-directed 5'-3' RNA polymerase activity^[25].
RNA polymerase I subunit B's molecular function is recorded as transferase activity^[26].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of protein

Subclass of protein

Part of DNA-directed RNA polymerase, subunit 2, DNA-directed RNA polymerase, subunit 2, hybrid-binding domain superfamily, RNA polymerase Rpb2, domain 2 superfamily, RNA polymerase Rpb2, OB-fold, RNA polymerase Rpb2, domain 3, protein family, RNA polymerase Rpb2, domain 7, protein family, RNA polymerase Rpb2, domain 2, protein family, RNA polymerase, beta subunit, protrusion, protein family, DNA-directed RNA polymerase, subunit 2, hybrid-binding domain, protein family, RNA polymerase, beta subunit, conserved site, protein family

Properties

Biological process transcription, DNA-templated, transcription by RNA polymerase I, biological process, rRNA transcription

Cell component cellular component, nucleus, nucleolus, RNA polymerase I complex

Encoded by Polr1b

Found in taxon brown rat

Has part(s) RNA polymerase, beta subunit, conserved site, RNA polymerase Rpb2, domain 2, DNA-directed RNA polymerase, subunit 2, hybrid-binding domain, RNA polymerase, beta subunit, protrusion, RNA polymerase Rpb2, domain 7, RNA polymerase Rpb2, domain 3

Imported from wholeness_audit_2026-05-02

Molecular function RNA polymerase I activity, molecular function, DNA binding, DNA-directed 5'-3' RNA polymerase activity, transferase activity, nucleotidyltransferase activity, ribonucleoside binding, metal ion binding

External References (3)

Ensembl protein id ENSRNOP00000024882

Refseq protein id NP_113961

Uniprot protein id O54888

🏷️ Also known as

en A127 en DNA-directed RNA polymerase I subunit RPA2 en Polr1b en polymerase (RNA) I polypeptide B en polymerase (RNA) I subunit B en RNA polymerase 1-2 en RNA polymerase I (127 kDa subunit) en RNA polymerase I polypeptide B en RNA polymerase I subunit 2 en RNA polymerase I subunit B en RPA135

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

[2] ↑ RNA polymerase I subunit B — instance of (P31): protein. UniProt. Retrieved 2022-05-25. wikidata.org.
[3] ↑ RNA polymerase I subunit B — subclass of (P279): protein. UniProt. Retrieved 2017-01-19. wikidata.org.
[4] ↑ RNA polymerase I subunit B — UniProt protein ID (P352): O54888. UniProt. Retrieved 2022-05-25. wikidata.org.
[5] ↑ RNA polymerase I subunit B — part of (P361): DNA-directed RNA polymerase, subunit 2. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[6] ↑ RNA polymerase I subunit B — part of (P361): DNA-directed RNA polymerase, subunit 2, hybrid-binding domain superfamily. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[7] ↑ RNA polymerase I subunit B — part of (P361): RNA polymerase Rpb2, domain 2 superfamily. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[8] ↑ RNA polymerase I subunit B — part of (P361): RNA polymerase Rpb2, OB-fold. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[9] ↑ RNA polymerase I subunit B — part of (P361): RNA polymerase Rpb2, domain 3, protein family. wikidata.org.
[10] ↑ RNA polymerase I subunit B — part of (P361): RNA polymerase Rpb2, domain 7, protein family. wikidata.org.
[11] ↑ RNA polymerase I subunit B — part of (P361): RNA polymerase Rpb2, domain 2, protein family. wikidata.org.
[12] ↑ RNA polymerase I subunit B — part of (P361): RNA polymerase, beta subunit, protrusion, protein family. wikidata.org.
[13] ↑ RNA polymerase I subunit B — part of (P361): DNA-directed RNA polymerase, subunit 2, hybrid-binding domain, protein family. wikidata.org.
[14] ↑ RNA polymerase I subunit B — part of (P361): RNA polymerase, beta subunit, conserved site, protein family. wikidata.org.
[15] ↑ RNA polymerase I subunit B — has part(s) (P527): RNA polymerase, beta subunit, conserved site. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[16] ↑ RNA polymerase I subunit B — has part(s) (P527): RNA polymerase Rpb2, domain 2. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[17] ↑ RNA polymerase I subunit B — has part(s) (P527): DNA-directed RNA polymerase, subunit 2, hybrid-binding domain. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[18] ↑ RNA polymerase I subunit B — has part(s) (P527): RNA polymerase, beta subunit, protrusion. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[19] ↑ RNA polymerase I subunit B — has part(s) (P527): RNA polymerase Rpb2, domain 7. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[20] ↑ RNA polymerase I subunit B — has part(s) (P527): RNA polymerase Rpb2, domain 3. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[21] ↑ RNA polymerase I subunit B — RefSeq protein ID (P637): NP_113961. Q20641742. Retrieved 2022-03-20. wikidata.org.
[22] ↑ RNA polymerase I subunit B — molecular function (P680): RNA polymerase I activity. Phylogenetic-based propagation of functional annotations within the Gene Ontology consortium. Retrieved 2019-02-14. ebi.ac.uk. Provenance: wikidata.org.
[23] ↑ RNA polymerase I subunit B — molecular function (P680): molecular function. GOA. Retrieved 2018-01-01. ebi.ac.uk. Provenance: wikidata.org.
[24] ↑ RNA polymerase I subunit B — molecular function (P680): DNA binding. GOA. Retrieved 2019-02-14. ebi.ac.uk. Provenance: wikidata.org.
[25] ↑ RNA polymerase I subunit B — molecular function (P680): DNA-directed 5'-3' RNA polymerase activity. GOA. Retrieved 2019-02-14. ebi.ac.uk. Provenance: wikidata.org.
[26] ↑ RNA polymerase I subunit B — molecular function (P680): transferase activity. GOA. Retrieved 2019-02-14. ebi.ac.uk. Provenance: wikidata.org.

Class ancestry

[1] ↑ RNA polymerase I subunit B is an instance of protein (Q8054) [P31, primary]. Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA

4ort.xyz Knowledge Graph. (2026). RNA polymerase I subunit B. Retrieved May 3, 2026, from https://4ort.xyz/entity/rna-polymerase-i-subunit-b-q28560014

MLA

“RNA polymerase I subunit B.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/rna-polymerase-i-subunit-b-q28560014.

BibTeX

@misc{4ortxyz_rna-polymerase-i-subunit-b-q28560014_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{RNA polymerase I subunit B}}, year = {2026}, url = {https://4ort.xyz/entity/rna-polymerase-i-subunit-b-q28560014}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): RNA polymerase I subunit B — https://4ort.xyz/entity/rna-polymerase-i-subunit-b-q28560014 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/rna-polymerase-i-subunit-b-q28560014 · Last refreshed: May 3, 2026