1CYY		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	ZN	enzyme
related structures	by homologous chain: 1CY2, 1MW8
Gene Ontology	Chain Function Process Component A, B
Primary reference	Conformational changes in E. coli DNA topoisomerase I., Feinberg H, Lima CD, Mondragon A, Nat Struct Biol 1999 Oct;6(10):918-22. PMID:10504724

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (91 Kb) [Save to disk] Biological Unit Coordinates (1cyy.pdb1.gz) 85 Kb Biological Unit Coordinates (1cyy.pdb2.gz) 170 Kb Biological Unit Coordinates (1cyy.pdb3.gz) 86 Kb LPC: Ligand-Protein Contacts for 1CYY CSU: Contacts of Structural Units for 1CYY Likely Quarternary Molecular Structure file(s) for 1CYY Retrieve 1CYY in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1CYY from S2C, [Save to disk]

View 1CYY 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: [1cyy] [1cyy_A] [1cyy_B] SWISS-PROT database: [P06612] Domain found in 1CYY: [TOP1Ac ] by SMART

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