1U21		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	P2C	enzyme
Gene Ontology	Chain Function Process Component A, B hormone activity
Primary reference	Kinetic stabilization of an oligomeric protein by a single ligand binding event., Wiseman RL, Johnson SM, Kelker MS, Foss T, Wilson IA, Kelly JW, J Am Chem Soc 2005 Apr 20;127(15):5540-51. PMID:15826192

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (44 Kb) [Save to disk] Biological Unit Coordinates (1u21.pdb1.gz) 76 Kb LPC: Ligand-Protein Contacts for 1U21 CSU: Contacts of Structural Units for 1U21 Likely Quarternary Molecular Structure file(s) for 1U21 Structure Factors (340 Kb) Retrieve 1U21 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1U21 from S2C, [Save to disk] Re-refined 1u21 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1U21 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: [1u21] [1u21_A] [1u21_B] SWISS-PROT database: [P02766] Domain found in 1U21: [TR_THY ] by SMART

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