1QXX		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
related structures	by homologous chain: 1IHR, 1XX3
Gene Ontology	Chain Function Process Component A
Primary reference	Dimerization of TonB is not essential for its binding to the outer membrane siderophore receptor FhuA of Escherichia coli., Koedding J, Howard P, Kaufmann L, Polzer P, Lustig A, Welte W, J Biol Chem 2004 Mar 12;279(11):9978-86. Epub 2003 Dec 8. PMID:14665631

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (17 Kb) [Save to disk] Biological Unit Coordinates (1qxx.pdb1.gz) 26 Kb CSU: Contacts of Structural Units for 1QXX Likely Quarternary Molecular Structure file(s) for 1QXX Structure Factors (38 Kb) Retrieve 1QXX in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QXX from S2C, [Save to disk] Re-refined 1qxx structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1QXX 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: [1qxx] [1qxx_A] SWISS-PROT database: [P02929] Belongs to the tonb-exbb-exbd/tola-tolq-tolr outer membrane receptor energizers and stabilizers (tonb/tola) family according to TCDB.

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