1Y55		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	BTN, FMT	enzyme
note	1Y55 is a representative structure
related structures	by homologous chain: 1Y53
Gene Ontology	Chain Function Process Component Y, X
Primary reference	High-resolution crystal structure of an avidin-related protein: insight into high-affinity biotin binding and protein stability., Eisenberg-Domovich Y, Hytonen VP, Wilchek M, Bayer EA, Kulomaa MS, Livnah O, Acta Crystallogr D Biol Crystallogr 2005 May;61(Pt 5):528-38. Epub 2005, Apr 20. PMID:15858262

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (92 Kb) [Save to disk] Biological Unit Coordinates (1y55.pdb1.gz) 173 Kb LPC: Ligand-Protein Contacts for 1Y55 CSU: Contacts of Structural Units for 1Y55 Likely Quarternary Molecular Structure file(s) for 1Y55 Structure Factors (1224 Kb) Retrieve 1Y55 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1Y55 from S2C, [Save to disk] Re-refined 1y55 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1Y55 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: [1y55] [1y55_X] [1y55_Y] SWISS-PROT database: [P56734]

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