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Annotation rule MF_00383
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General rule information [?]

Accession MF_00383
Dates 1-JUN-2001 (Created)
16-MAR-2016 (Last updated, Version 33)
Name TF2B_arch
Scope Archaea
Templates P61998 (TF2B_PYRFU); P61999 (TF2B_PYRWO): [Recover all]

Propagated annotation [?]


Identifier, protein and gene names [?]

Identifier
TF2B
Protein name
RecName: Full=Transcription initiation factor IIB;
Short=TFIIB;
Gene name
tfb

Comments [?]

Function Stabilizes TBP binding to an archaeal box-A promoter. Also responsible for recruiting RNA polymerase II to the pre-initiation complex (DNA-TBP-TFIIB).
case <FTGroup:1>
Cofactor Zn(2+)
Note: Binds 1 zinc ion per subunit.
end case
Similarity Belongs to the TFIIB family.

Keywords [?]

case <FTGroup:1>
end case

Gene Ontology [?]

GO:0003700; Molecular function: transcription factor activity, sequence-specific DNA binding.
case <FTGroup:1>
GO:0008270; Molecular function: zinc ion binding.
end case
GO:0006355; Biological process: regulation of transcription, DNA-templated.
GO:0006352; Biological process: DNA-templated transcription, initiation.

Cross-references [?]

Pfam PF00382; TFIIB; 2;
PF08271; TF_Zn_Ribbon; 1;
PRINTS PR00685; TIFACTORIIB; 1;
PROSITE PS00782; TFIIB; 2;
PS51134; ZF_TFIIB; 0-1; trigger=PRU00469;

Features [?]

From: TF2B_PYRFU (P61998)
Key     From     To       Description   Tag   Condition   FTGroup
REPEAT     114     197       1        
REPEAT     210     291       2        
METAL (Optional)     7     7       Zinc     C   1
METAL (Optional)     10     10       Zinc     C   1
METAL (Optional)     26     26       Zinc     C   1
METAL (Optional)     29     29       Zinc     C   1

Additional information [?]

Size range 287-339 amino acids
Related rules None
Fusion None
Comments Intein deleted in METJA