NDB ID: URB016
Title: CRYSTAL AND MOLECULAR STRUCTURE OF NATURALLY OCCURRING DINUCLEOSIDE MONOPHOSPHATE URIDYLYL-(3',5')-ADENOSINE HEMIHYDRATE CONFORMATIONAL RIGIDITY OF THE NUCLEOTIDE UNIT AND MODELS FOR POLYNUCLOETIDE CHAIN FOLDING Molecular Description: 5'-R(UpA)-3' Structural Features: SINGLE STRAND, OPEN, CLOSED Nucleic Acid Sequence: Chains A,B: U A Primary Citation: Rubin, J., Brennan, T., Sundaralingam, M. Crystal and Molecular Structure of Naturally Occurring Dinucleoside Monophosphate Uridylyl-(3',5')-Adenosine Hemihydrate Conformational Rigidity of the Nucleotide Unit and Models for Polynucloetide Chain Folding Biochemistry , 11, pp. 3112 - 3118, 1972. Experimental Information: X-RAY DIFFRACTION Space Group: P  1  21   1 Cell Constants: a = 16.961 b = 12.350 c = 11.245 (Ångstroms) = 90.00 = 95.88 = 90.00 (degrees) Refinement: The R value is 4.0 for 3179 reflections in the resolution of 0.860 with I > 1.500 sigma(I).	Biological Assembly 1 Other Views Asymmetric Unit Crystal Packing Biological Assemblies
Coordinate + Structure Data Asymmetric Unit coordinates (pdb format, Unix compressed(.gz)) Asymmetric Unit coordinates (cif format, Unix compressed(.gz)) Biological Assembly coordinates (pdb format)	Derivative Data Nucleic Acid Backbone Torsions Base Pair Parameters Hydrogen Bonding Classification
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