Sequence, Chains, Asymmetric and Biological Units

Title		`A 1.3 A RESOLUTION CRYSTAL STRUCTURE OF THE HIV-1 TRANS- ACTIVATION RESPONSE REGION RNA STEM REVEALS A METAL ION- DEPENDENT BULGE CONFORMATION`
Keywords		`DOUBLE HELIX, OVERHANGING BASES, RNA`
Experiment		`X-ray diffraction`
Number of Models		`1`


Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit

PDB	397D	released	available	available	Quaternary Structure Server
NDB	URX075				available