1CHQ		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: 1EEI, 1S5B
Gene Ontology	Chain Function Process Component F, H, D, G, E host cell surface binding toxin activity
Primary reference	Surprising leads for a cholera toxin receptor-binding antagonist: crystallographic studies of CTB mutants., Merritt EA, Sarfaty S, Chang TT, Palmer LM, Jobling MG, Holmes RK, Hol WG, Structure 1995 Jun 15;3(6):561-70. PMID:8590017

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (87 Kb) [Save to disk] Biological Unit Coordinates (1chq.pdb1.gz) 82 Kb CSU: Contacts of Structural Units for 1CHQ Likely Quarternary Molecular Structure file(s) for 1CHQ Structure Factors (307 Kb) Retrieve 1CHQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1CHQ from S2C, [Save to disk] Re-refined 1chq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1CHQ 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: [1chq] [1chq_D] [1chq_E] [1chq_F] [1chq_G] [1chq_H] SWISS-PROT database: [P01556]

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