Sequence, Chains, Asymmetric and Biological Units

Title		`THE BI-LOOP, A NEW GENERAL FOUR-STRANDED DNA MOTIF`
Keywords		`CYCLIC B-DNA, QUADRUPLE HELIX, BI-LOOP`
Experiment		`X-ray diffraction`
Number of Models		`1`


Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit

PDB	284D	released	available	available	Quaternary Structure Server
NDB	UDH052				available