1QHH		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	ATP	enzyme
note	1QHH is a representative structure
related structures	by homologous chain: 1QHG, 2PJR
Gene Ontology	Chain Function Process Component A B C D
Primary reference	DNA binding mediates conformational changes and metal ion coordination in the active site of PcrA helicase., Soultanas P, Dillingham MS, Velankar SS, Wigley DB, J Mol Biol 1999 Jul 2;290(1):137-48. PMID:10388562

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (112 Kb) [Save to disk] Biological Unit Coordinates (1qhh.pdb1.gz) 106 Kb LPC: Ligand-Protein Contacts for 1QHH CSU: Contacts of Structural Units for 1QHH Likely Quarternary Molecular Structure file(s) for 1QHH Structure Factors (320 Kb) Retrieve 1QHH in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QHH from S2C, [Save to disk] Re-refined 1qhh structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1QHH 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: [1qhh] [1qhh_A] [1qhh_B] [1qhh_C] [1qhh_D] SWISS-PROT database: [P56255]

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