1UTD

The structure of the trp RNA-binding attenuation protein (TRAP) bound to a 63-nucleotide RNA molecule containing GAGUUU repeats

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E... (0, 1, 2, 3, 4...)	5'-R(*GP*UP*UP*UP*GP*AP)-3'	polymer	6	1893.2	11		synthetic construct
2	AA, BA, CA, DA, EA... (A, B, C, D, E...)	TRANSCRIPTION ATTENUATION PROTEIN MTRB	polymer	74	8257.4	22	UniProt (Q9X6J6) Pfam (PF02081)	BACILLUS STEAROTHERMOPHILUS	TRYPTOPHAN RNA-BINDING ATTENUATOR PROTEIN, TRP RNA-BINDING ATTENUATION PROTEIN, TRAP
3	AB, BB, CB, HA, IA... (T, U, V, A, B...)	TRYPTOPHAN	non-polymer		204.2	22	Chemie (TRP)
4	AC, BC, CC, DB, DC... (N, O, P, 0, Q...)	water	water		18.0	983	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	33
	Total formula weight	202487.0
Non-Polymers*	Number of molecules	22
	Total formula weight	4492.9
All*	Total formula weight	206980.0

*Water molecules are not included.