3QI4		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	IBM, MG, ZN	enzyme
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structural asymmetry of phosphodiesterase-9, potential protonation of a glutamic Acid, and role of the invariant glutamine., Hou J, Xu J, Liu M, Zhao R, Luo HB, Ke H, PLoS One. 2011 Mar 31;6(3):e18092. PMID:21483814

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (114 Kb) [Save to disk] Biological Unit Coordinates (3qi4.pdb1.gz) 107 Kb LPC: Ligand-Protein Contacts for 3QI4 CSU: Contacts of Structural Units for 3QI4 Structure Factors (571 Kb) Retrieve 3QI4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3QI4 from S2C, [Save to disk] Re-refined 3qi4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3QI4 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: [3qi4] [3qi4_A] [3qi4_B] SWISS-PROT database: Domain found in 3QI4: [HDc ] by SMART

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