3IAD	Hydrolase	date	Jul 13, 2009
title	Crystal Structure Of Human Phosphodiesterase 4d With Bound A Modulator
authors	B.L.Staker, A.B.Burgin Jr.
compound		source
Molecule: Camp-Specific 3',5'-Cyclic Phosphodiesterase 4d Chain: A, B, C, D Synonym: Dpde3, Pde43 Ec: 3.1.4.17 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Pde4d, Dpde3 Expression_system: Unidentified Baculovirus Expression_system_taxid: 10469 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pbacgus
symmetry	Space Group: P 21 21 21	R_factor 0.214 R_Free 0.267
crystal cell	length a length b length c angle alpha angle beta angle gamma 97.551 111.997 162.384 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.65 Å
ligand	15X, EPE, MG, ZN	enzyme	Hydrolase E.C.3.1.4.17 BRENDA
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Design of phosphodiesterase 4D (PDE4D) allosteric modulators for enhancing cognition with improved safety., Burgin AB, Magnusson OT, Singh J, Witte P, Staker BL, Bjornsson JM, Thorsteinsdottir M, Hrafnsdottir S, Hagen T, Kiselyov AS, Stewart LJ, Gurney ME, Nat Biotechnol. 2009 Dec 27. PMID:20037581

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (230 Kb) [Save to disk] Biological Unit Coordinates (3iad.pdb1.gz) 58 Kb Biological Unit Coordinates (3iad.pdb2.gz) 59 Kb Biological Unit Coordinates (3iad.pdb3.gz) 59 Kb Biological Unit Coordinates (3iad.pdb4.gz) 59 Kb LPC: Ligand-Protein Contacts for 3IAD CSU: Contacts of Structural Units for 3IAD Structure Factors (805 Kb) Retrieve 3IAD in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3IAD from S2C, [Save to disk] Re-refined 3iad structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3IAD 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.

Visual 3D analysis of 3IAD

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3IAD, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3iad] [3iad_D] [3iad_B] [3iad_C] [3iad_A] SWISS-PROT database: [Q08499] Domain organization of [PDE4D_HUMAN] by SWISSPFAM Domain found in 3IAD: [HDc ] by SMART

Other resources with information on 3IAD

Community annotation for 3IAD at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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