2AHQ		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, 20 Models	resolution
note	2AHQ is a representative structure
Gene Ontology	Chain Function Process Component A
Primary reference	The C-terminal RpoN domain of sigma54 forms an unpredicted helix-turn-helix motif similar to domains of sigma70., Doucleff M, Malak LT, Pelton JG, Wemmer DE, J Biol Chem. 2005 Dec 16;280(50):41530-6. Epub 2005 Oct 6. PMID:16210314

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (366 Kb) [Save to disk] Biological Unit Coordinates (2ahq.pdb1.gz) 19 Kb CSU: Contacts of Structural Units for 2AHQ Original NMR restraints for 2AHQ from PDB Experimental data, such as chemical shifts, at BioMagResBank (BMRB) NMR Restraints Grid from BioMagResBank (BMRB) Retrieve 2AHQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2AHQ from S2C, [Save to disk]

View 2AHQ 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: [2ahq] [2ahq_A] SWISS-PROT database: [O66858]

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