1DDY		date
authors
compound		source
symmetry		R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma
method	X-Ray Diffraction	resolution
ligand	B12, NME	enzyme
Primary reference	The structural basis for molecular recognition by the vitamin B 12 RNA aptamer., Sussman D, Nix JC, Wilson C, Nat Struct Biol 2000 Jan;7(1):53-7. PMID:10625428

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (73 Kb) [Save to disk] Biological Unit Coordinates (1ddy.pdb1.gz) 17 Kb Biological Unit Coordinates (1ddy.pdb2.gz) 17 Kb Biological Unit Coordinates (1ddy.pdb3.gz) 17 Kb Biological Unit Coordinates (1ddy.pdb4.gz) 17 Kb LPC: Ligand-Protein Contacts for 1DDY CSU: Contacts of Structural Units for 1DDY Likely Quarternary Molecular Structure file(s) for 1DDY Structure Factors (174 Kb) Retrieve 1DDY in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1DDY from S2C, [Save to disk] Re-refined 1ddy structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1DDY in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1ddy] [1ddy_A] [1ddy_C] [1ddy_E] [1ddy_G] SWISS-PROT database:

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