1RM1

Structure of a Yeast TFIIA/TBP/TATA-box DNA Complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	D	5'-D(*AP*TP*CP*GP*AP*TP*CP*GP*AP*TP*AP*TP*AP*AP*AP*AP*CP*G)-3'	polymer	18	5532.6	1
2	E	5'-D(P*CP*GP*TP*TP*TP*TP*AP*TP*AP*TP*CP*GP*AP*TP*CP*GP*AP*T)-3'	polymer	18	5496.6	1
3	A	TATA-box binding protein	polymer	240	27042.3	1	UniProt (P13393) Pfam (PF00352) In PDB	Saccharomyces cerevisiae (baker's yeast)	TATA-box factor, TATA binding factor, TATA sequence-binding protein, TBP, Transcription factor D, Transcription initiation factor TFIID TBP subunit
4	B	Transcription initiation factor IIA small chain	polymer	122	13473.1	1	UniProt (P32774) Pfam (PF02268) Pfam (PF02751) In PDB	Saccharomyces cerevisiae (baker's yeast)	TFIIA 13.5 kDa subunit
5	C	Transcription initiation factor IIA large chain	polymer	286	32230.8	1	UniProt (P32773) Pfam (PF03153) In PDB	Saccharomyces cerevisiae (baker's yeast)	TFIIA 32 kDa subunit
6		water	water		18.0	301	Chemie (HOH)

Sequence modifications

A: 2 - 240 (UniProt: P13393)

PDB	External Database	Details
Met 1	-	initiating methionine

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	83775.4
All*	Total formula weight	83775.4

*Water molecules are not included.