1NBK

The structure of RNA aptamer for HIV Tat complexed with two argininamide molecules

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	RNA aptamer	polymer	34	10921.5	1
2	A	2-AMINO-5-GUANIDINO-PENTANOIC ACID	non-polymer		175.2	2	Chemie (GND)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	10921.5
Non-Polymers*	Number of molecules	2
	Total formula weight	350.4
All*	Total formula weight	11272.0

*Water molecules are not included.