1QNA

Crystal structure of the T(-30) Adenovirus major late promoter TATA box variant bound to wild-type TBP (Arabidopsis thaliana TBP isoform 2). TATA element recognition by the TATA box-binding protein has been conserved throughout evolution.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	TRANSCRIPTION INITIATION FACTOR TFIID-1	polymer	200	22400.4	2	UniProt (P28147) Pfam (PF00352) In PDB	ARABIDOPSIS THALIANA (MOUSE-EAR CRESS)	TATA-BOX FACTOR 1, TATA SEQUENCE-BINDING PROTEIN 1, TBP1
2	C, E	DNA (5'-D(*GP*CP*TP*TP*TP*AP*AP*AP*AP*GP*GP*GP*CP*A)-3')	polymer	14	4328.8	2
3	D, F	DNA (5'-D(*TP*GP*CP*CP*CP*TP*TP*TP*TP*AP*AP*AP*GP*C)-3')	polymer	14	4230.8	2
4		water	water		18.0	478	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	61919.9
All*	Total formula weight	61919.9

*Water molecules are not included.