2L1F

Structure of a conserved retroviral RNA packaging element by NMR spectroscopy and cryo-electron tomography

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	RNA (65-MER)	polymer	65	21071.6	1	GenBank (AF033811.1)	Moloney Murine Leukemia Virus
2	B	RNA (66-MER)	polymer	66	21416.8	1	GenBank (AF033811.1)	Moloney Murine Leukemia Virus

Sequence modifications

A: 309 - 373 (GenBank: AF033811.1)

PDB	External Database	Details
A 328	U 64	engineered mutation
U 333	A 69	engineered mutation

B: 709 - 774 (GenBank: AF033811.1)

PDB	External Database	Details
A 728	U 64	engineered mutation
U 733	A 69	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	42488.5
All*	Total formula weight	42488.5

*Water molecules are not included.