1XQE		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	ACT, SO4	enzyme
related structures	by homologous chain: 1U77
Gene Ontology	Chain Function Process Component A
Primary reference	The mechanism of ammonia transport based on the crystal structure of AmtB of Escherichia coli., Zheng L, Kostrewa D, Berneche S, Winkler FK, Li XD, Proc Natl Acad Sci U S A 2004 Dec 7;101(49):17090-5. Epub 2004 Nov 24. PMID:15563598

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (61 Kb) [Save to disk] Biological Unit Coordinates (1xqe.pdb1.gz) 163 Kb LPC: Ligand-Protein Contacts for 1XQE CSU: Contacts of Structural Units for 1XQE Likely Quarternary Molecular Structure file(s) for 1XQE Structure Factors (317 Kb) Retrieve 1XQE in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1XQE from S2C, [Save to disk] Re-refined 1xqe structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1XQE 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: [1xqe] [1xqe_A] SWISS-PROT database: [P69681] Belongs to the ammonium transporter channel (amt) family according to TCDB.

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