1B3Q		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	HG	enzyme
related structures	by homologous chain: 1I5B, 1I5D
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structure of CheA, a signal-transducing histidine kinase., Bilwes AM, Alex LA, Crane BR, Simon MI, Cell 1999 Jan 8;96(1):131-41. PMID:9989504

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (124 Kb) [Save to disk] Biological Unit Coordinates (1b3q.pdb1.gz) 119 Kb LPC: Ligand-Protein Contacts for 1B3Q CSU: Contacts of Structural Units for 1B3Q Likely Quarternary Molecular Structure file(s) for 1B3Q Structure Factors (231 Kb) Retrieve 1B3Q in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1B3Q from S2C, [Save to disk] Re-refined 1b3q structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1B3Q 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: [1b3q] [1b3q_A] [1b3q_B] SWISS-PROT database: [Q56310] Domains found in 1B3Q: [CheW] [H-kinase_dim] [HATPase_c ] by SMART

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