The Human Transcription Factors

Conclusion

Assessment	Binding Mode	Motif Status	Notes	Comments
Inferred motif	1 Monomer or homomultimer	In vivo/Misc source

Description

Description:

basonuclin 1 [Source:HGNC Symbol;Acc:HGNC:1081]

Entrez Summary

This gene encodes a zinc finger protein present in the basal cell layer of the epidermis and in hair follicles. It is also found in abundance in the germ cells of testis and ovary. This protein is thought to play a regulatory role in keratinocyte proliferation and it may also be a regulator for rRNA transcription. Disruption of this gene has been implicated in premature ovarian failure as well as testicular premature aging. [provided by RefSeq, Sep 2020]

Ensembl ID:

ENSG00000169594

External Link:

CisBP

Interpro

IPR007087; IPR015880;

Protein Domain:

ENSP00000307041

Protein Domain:

ENSP00000456727

Domain:

Protein: ENSP00000307041	DBD: C2H2 ZF Containing Proteins	Other: zf-C2H2_aberr
Protein: ENSP00000456727	DBD: C2H2 ZF Containing Proteins	Other: zf-C2H2_aberr

Previous Annotations

Source	Annotation
TF-CAT classification	No PMIDS:
Vaquerizas 2009 TF classification "a" Has direct evidence of TF function; "b" Has evidence for an orthologous TF; "c" contains likely DBDs, but has no functional evidence; "x" is an unlikely TF such as predicted gene, genes with likely non-specific DBDs or that have function outside transcription; "other" category contains proteins without clear DBDs they curated from external sources.	a
CisBP considers it as a TF?	Yes
TFclass considers it as a TF?	Yes
Has GO:0003700 "transcription factor activity, sequence-specific DNA binding"	Yes
GO-Info	GO:0003700 sequence-specific DNA binding transcription factor activity TAS - PMID:9099851
Initial Assessment 1a1 Protein has a high confidence PWM (HT-SELEX, PBM or B1H model) or there is a crystal structure that supports sequence specific DNA binding; 1a2 There is high confidence data for a close ortholog (as defined in CisBP); 2a1 There is lower confidence direct evidence, such as a Jaspar, Hocomoco or Transfac model; 2a2 There is lower confidence evidence for an close ortholog; 3a There is decent circumstantial evidence for its role as a TF or not; 4a Two or more datasets predict it as a TF; 5a One of the source datasets predicts is as a TF	2a2, orthologous lower confidence evidence
TF has conditional DNA-binding requirements

DNA-Binding

Published Motif Data

Source	Annotation	Motif	Evidence
Transfac	Transfac	License required	Inferred - Bnc1 (100% AA Identity, Mus musculus)

Structure

Structure	PDB	Not_Covered

Experimental History

Method	Constructs
Tried in PBM? (Whether the protein was tried in PBM or not)
Tried in HT-SELEX (Whether the protein was tried in HT-SELEX or not, and if so, then what kind of clones were tested)
Other Information? (Tried with another method and failed?)

External Contribution

Name
Email
Comment
Reference

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The accepted consensus binding sequence for Sp1 is usually defined by the asymmetric hexanucleotide core GGGCGG but this sequence does not include, among others, the GAG (=CTC) repeat that constitutes a high-affinity  site for Sp1 binding to the wt1 promoter [2].", "database": "PfamA", "aliStart": 359, "scoreName": "E-value", "accession": "PF00096.24", "start": 358, "score": 8e-07, "identifier": "Zinc finger, C2H2 type", "type": "DBD", "aliEnd": 380}}, {"startStyle": "curved", "end": 407, "endStyle": "jagged", "aliStart": 385, "text": "zfC2H2", "colour": "#228B22", "aliEnd": 405, "start": 385, "href": "http://pfam.xfam.org/family/PF00096.24", "type": "pfama", "display": "true", "metadata": {"end": 407, "description": "The C2H2 zinc finger is the classical zinc finger domain. The two conserved cysteines and histidines co-ordinate a zinc ion. The following pattern describes the zinc finger. #-X-C-X(1-5)-C-X3-#-X5-#-X2-H-X(3-6)-[H/C] Where X can be any amino acid, and numbers in brackets indicate the number of residues. The positions marked # are those that are important for the stable fold of the zinc finger. The final position can be either his or cys. The C2H2 zinc finger is composed of two short beta strands followed by an alpha helix. The amino terminal part of the helix binds the major groove in DNA binding zinc fingers. 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The accepted consensus binding sequence for Sp1 is usually defined by the asymmetric hexanucleotide core GGGCGG but this sequence does not include, among others, the GAG (=CTC) repeat that constitutes a high-affinity  site for Sp1 binding to the wt1 promoter [2].", "database": "PfamA", "aliStart": 720, "scoreName": "E-value", "accession": "PF00096.24", "start": 720, "score": 8e-07, "identifier": "Zinc finger, C2H2 type", "type": "DBD", "aliEnd": 743}}, {"startStyle": "curved", "end": 951, "endStyle": "curved", "aliStart": 929, "text": "zfC2H2", "colour": "#228B22", "aliEnd": 951, "start": 928, "href": "http://pfam.xfam.org/family/PF00096.24", "type": "pfama", "display": "true", "metadata": {"end": 951, "description": "The C2H2 zinc finger is the classical zinc finger domain. The two conserved cysteines and histidines co-ordinate a zinc ion. 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The accepted consensus binding sequence for Sp1 is usually defined by the asymmetric hexanucleotide core GGGCGG but this sequence does not include, among others, the GAG (=CTC) repeat that constitutes a high-affinity  site for Sp1 binding to the wt1 promoter [2].", "database": "PfamA", "aliStart": 929, "scoreName": "E-value", "accession": "PF00096.24", "start": 928, "score": 8e-07, "identifier": "Zinc finger, C2H2 type", "type": "DBD", "aliEnd": 951}}, {"startStyle": "jagged", "end": 987, "endStyle": "straight", "aliStart": 952, "text": "zf-C2H2_aberr", "colour": "#9999ff", "aliEnd": 979, "start": 936, "href": "http://pfam.xfam.org/family/PF17017.3", "type": "pfama", "display": "true", "metadata": {"end": 987, "description": "This is a family of largely microsporidia-specific proteins with an aberrant zinc-finger motif of Cx(4)C2H repeated.", "database": "PfamA", "aliStart": 952, "scoreName": "E-value", "accession": "PF17017.3", "start": 936, "score": 0.0046, "identifier": "Aberrant zinc-finger", "type": "DBD", "aliEnd": 979}}], "length": 995}

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The following pattern describes the zinc finger. #-X-C-X(1-5)-C-X3-#-X5-#-X2-H-X(3-6)-[H/C] Where X can be any amino acid, and numbers in brackets indicate the number of residues. The positions marked # are those that are important for the stable fold of the zinc finger. The final position can be either his or cys. The C2H2 zinc finger is composed of two short beta strands followed by an alpha helix. The amino terminal part of the helix binds the major groove in DNA binding zinc fingers. 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TF Info Page for BNC1 (C2H2 ZF(non-KRAB))