Nuclear factor I/B

mammalian protein found in Mus musculus

Protein protein Q21987761

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Nuclear factor I/B

Summary

Nuclear factor I/B is a protein^[1].

Key Facts

Nuclear factor I/B's instance of is recorded as protein^[2].
Nuclear factor I/B's subclass of is recorded as protein^[3].
Nuclear factor I/B's UniProt protein ID is recorded as P97863^[4].
Nuclear factor I/B's part of is recorded as CTF transcription factor/nuclear factor 1^[5].
Nuclear factor I/B's part of is recorded as CTF transcription factor/nuclear factor 1, DNA-binding domain, protein family^[6].
Nuclear factor I/B's part of is recorded as CTF transcription factor/nuclear factor 1, conserved site, protein family^[7].
Nuclear factor I/B's part of is recorded as MAD homology 1, Dwarfin-type, protein family^[8].
Nuclear factor I/B's part of is recorded as CTF transcription factor/nuclear factor 1, N-terminal domain, protein family^[9].
Nuclear factor I/B's has part is recorded as CTF transcription factor/nuclear factor 1, N-terminal^[10].
Nuclear factor I/B's has part is recorded as CTF transcription factor/nuclear factor 1, DNA-binding domain^[11].
Nuclear factor I/B's has part is recorded as CTF transcription factor/nuclear factor 1, conserved site^[12].
Nuclear factor I/B's has part is recorded as MAD homology 1, Dwarfin-type^[13].
Nuclear factor I/B's RefSeq protein ID is recorded as NP_001106680^[14].
Nuclear factor I/B's RefSeq protein ID is recorded as NP_001106681^[15].
Nuclear factor I/B's RefSeq protein ID is recorded as NP_001273056^[16].
Nuclear factor I/B's RefSeq protein ID is recorded as NP_001273060^[17].
Nuclear factor I/B's RefSeq protein ID is recorded as NP_032713^[18].
Nuclear factor I/B's RefSeq protein ID is recorded as XP_006537716^[19].
Nuclear factor I/B's RefSeq protein ID is recorded as XP_006537717^[20].
Nuclear factor I/B's RefSeq protein ID is recorded as XP_017175511^[21].
Nuclear factor I/B's RefSeq protein ID is recorded as XP_030109164^[22].
Nuclear factor I/B's RefSeq protein ID is recorded as XP_036019705^[23].
Nuclear factor I/B's RefSeq protein ID is recorded as XP_036019706^[24].
Nuclear factor I/B's molecular function is recorded as DNA binding^[25].
Nuclear factor I/B's molecular function is recorded as DNA-binding transcription factor activity^[26].

⭐ Popularity Graph

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Quick Facts

Instance of protein

Subclass of protein

Part of CTF transcription factor/nuclear factor 1, CTF transcription factor/nuclear factor 1, DNA-binding domain, protein family, CTF transcription factor/nuclear factor 1, conserved site, protein family, MAD homology 1, Dwarfin-type, protein family, CTF transcription factor/nuclear factor 1, N-terminal domain, protein family

Properties

Biological process cell differentiation involved in salivary gland development, club cell differentiation, negative regulation of epithelial cell proliferation involved in lung morphogenesis, regulation of transcription, DNA-templated, negative regulation of mesenchymal cell proliferation involved in lung development, chondrocyte differentiation, lung development, salivary gland cavitation, hindbrain development, glial cell differentiation, commissural neuron axon guidance, transcription, DNA-templated, anterior commissure morphogenesis, lung ciliated cell differentiation, DNA replication, type I pneumocyte differentiation, principal sensory nucleus of trigeminal nerve development, forebrain development, type II pneumocyte differentiation, positive regulation of transcription by RNA polymerase II, negative regulation of cell population proliferation, negative regulation of pri-miRNA transcription by RNA polymerase II, transcription by RNA polymerase II, negative regulation of transcription by RNA polymerase II, negative regulation of DNA binding, positive regulation of transcription, DNA-templated, response to bacterium, positive regulation of transcription by RNA polymerase II

Cell component intracellular anatomical structure, cerebellar mossy fiber, nucleus, fibrillar center, nucleus

Encoded by Nfib

Found in taxon house mouse

Has part(s) CTF transcription factor/nuclear factor 1, N-terminal, CTF transcription factor/nuclear factor 1, DNA-binding domain, CTF transcription factor/nuclear factor 1, conserved site, MAD homology 1, Dwarfin-type

Imported from wholeness_audit_2026-05-02

Molecular function DNA binding, DNA-binding transcription factor activity, DNA-binding transcription activator activity, RNA polymerase II-specific, RNA polymerase II cis-regulatory region sequence-specific DNA binding, DNA-binding transcription factor activity, RNA polymerase II-specific, transcription corepressor activity, double-stranded DNA binding, DNA-binding transcription factor activity, RNA polymerase II-specific

External References (3)

Ensembl protein id ENSMUSP00000052863, ENSMUSP00000067629, ENSMUSP00000102865, ENSMUSP00000102866, ENSMUSP00000102868, ENSMUSP00000102869, ENSMUSP00000123169

Refseq protein id NP_001106680, NP_001106681, NP_001273056, NP_001273060, NP_032713, XP_006537716, XP_006537717, XP_017175511, XP_030109164, XP_036019705, XP_036019706

Uniprot protein id P97863

🏷️ Also known as

en CCAAT-box-binding transcription factor en CTF en Nfib en NF-I/B en NFI-B en nuclear factor 1/B en nuclear factor 1 B-type en Nuclear factor I/B en putative nuclear factor I/B isoform en TGGCA-binding protein

References

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

Direct Wikidata claims

[2] ↑ Nuclear factor I/B — instance of (P31): protein. Q905695. Retrieved 2022-05-25. wikidata.org.
[3] ↑ Nuclear factor I/B — subclass of (P279): protein. Q905695. Retrieved 2017-01-19. wikidata.org.
[4] ↑ Nuclear factor I/B — UniProt protein ID (P352): P97863. Q905695. Retrieved 2022-05-25. wikidata.org.
[5] ↑ Nuclear factor I/B — part of (P361): CTF transcription factor/nuclear factor 1. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[6] ↑ Nuclear factor I/B — part of (P361): CTF transcription factor/nuclear factor 1, DNA-binding domain, protein family. wikidata.org.
[7] ↑ Nuclear factor I/B — part of (P361): CTF transcription factor/nuclear factor 1, conserved site, protein family. wikidata.org.
[8] ↑ Nuclear factor I/B — part of (P361): MAD homology 1, Dwarfin-type, protein family. wikidata.org.
[9] ↑ Nuclear factor I/B — part of (P361): CTF transcription factor/nuclear factor 1, N-terminal domain, protein family. wikidata.org.
[10] ↑ Nuclear factor I/B — has part(s) (P527): CTF transcription factor/nuclear factor 1, N-terminal. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[11] ↑ Nuclear factor I/B — has part(s) (P527): CTF transcription factor/nuclear factor 1, DNA-binding domain. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[12] ↑ Nuclear factor I/B — has part(s) (P527): CTF transcription factor/nuclear factor 1, conserved site. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[13] ↑ Nuclear factor I/B — has part(s) (P527): MAD homology 1, Dwarfin-type. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[14] ↑ Nuclear factor I/B — RefSeq protein ID (P637): NP_001106680. Q20641742. Retrieved 2022-03-20. wikidata.org.
[15] ↑ Nuclear factor I/B — RefSeq protein ID (P637): NP_001106681. Q20641742. Retrieved 2022-03-20. wikidata.org.
[16] ↑ Nuclear factor I/B — RefSeq protein ID (P637): NP_001273056. Q20641742. Retrieved 2022-03-20. wikidata.org.
[17] ↑ Nuclear factor I/B — RefSeq protein ID (P637): NP_001273060. Q20641742. Retrieved 2022-03-20. wikidata.org.
[18] ↑ Nuclear factor I/B — RefSeq protein ID (P637): NP_032713. Q20641742. Retrieved 2022-03-20. wikidata.org.
[19] ↑ Nuclear factor I/B — RefSeq protein ID (P637): XP_006537716. Q20641742. Retrieved 2022-03-20. wikidata.org.
[20] ↑ Nuclear factor I/B — RefSeq protein ID (P637): XP_006537717. Q20641742. Retrieved 2022-03-20. wikidata.org.
[21] ↑ Nuclear factor I/B — RefSeq protein ID (P637): XP_017175511. Q20641742. Retrieved 2022-03-20. wikidata.org.
[22] ↑ Nuclear factor I/B — RefSeq protein ID (P637): XP_030109164. Q20641742. Retrieved 2022-03-20. wikidata.org.
[23] ↑ Nuclear factor I/B — RefSeq protein ID (P637): XP_036019705. Q20641742. Retrieved 2022-03-20. wikidata.org.
[24] ↑ Nuclear factor I/B — RefSeq protein ID (P637): XP_036019706. Q20641742. Retrieved 2022-03-20. wikidata.org.
[25] ↑ Nuclear factor I/B — molecular function (P680): DNA binding. GOA. Retrieved 2019-02-14. ebi.ac.uk. Provenance: wikidata.org.
[26] ↑ Nuclear factor I/B — molecular function (P680): DNA-binding transcription factor activity. GOA. Retrieved 2019-02-14. ebi.ac.uk. Provenance: wikidata.org.

Class ancestry

[1] ↑ Nuclear factor I/B is an instance of protein (Q8054) [P31, primary]. Wikidata. wikidata.org.

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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). Nuclear factor I/B. Retrieved May 3, 2026, from https://4ort.xyz/entity/nuclear-factor-i-b

MLA “Nuclear factor I/B.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/nuclear-factor-i-b.

BibTeX

@misc{4ortxyz_nuclear-factor-i-b_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Nuclear factor I/B}}, year = {2026}, url = {https://4ort.xyz/entity/nuclear-factor-i-b}, note = {Accessed: 2026-05-03}}

LLM prompt

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

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