HAMAP annotation rule MF_00383
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Accession MF_00383
Dates 1-JUN-2001 (Created)
16-JUL-2012 (Last updated, Version 26)
Name TF2B_arch
Scope Archaea



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


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) (By similarity).
case <Feature:PS51134>
COFACTOR Binds 1 zinc ion per subunit (By similarity).
end case
SIMILARITY Belongs to the TFIIB family.
case <Feature:PS51134>
SIMILARITY Contains 1 TFIIB-type zinc finger.
end case


case <Feature:PS51134>
end case


GO:0003700; Molecular function: sequence-specific DNA binding transcription factor activity.
case <Feature:PS51134>
GO:0008270; Molecular function: zinc ion binding.
end case
GO:0006355; Biological process: regulation of transcription, DNA-dependent.
GO:0006352; Biological process: DNA-dependent transcription, initiation.


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


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


Size range: 287-339 amino acids
Related Rules: None
Templates: P61998 (TF2B_PYRFU); P61999 (TF2B_PYRWO): [Recover all]
Fusion: None
Comments: Intein deleted in METJA