1XM6	Hydrolase	date	Oct 01, 2004
title	Catalytic Domain Of Human Phosphodiesterase 4b In Complex Wi Mesopram
authors	G.L.Card, B.P.England, Y.Suzuki, D.Fong, B.Powell, B.Lee, C.Luu, M.Tabrizizad, S.Gillette, P.N.Ibrahim, D.R.Artis, G.Bollag, M.V. S.H.Kim, J.Schlessinger, K.Y.J.Zhang
compound		source
Molecule: Camp-Specific 3',5'-Cyclic Phosphodiesterase 4b Chain: A, B Fragment: Catalytic Domain Of Human Phosphodiesterase 4b Synonym: Dpde4, Pde32 Ec: 3.1.4.17 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Pde4b Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)Codon Plus(Ril) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet15b
symmetry	Space Group: P 21 21 21	R_factor 0.201 R_Free 0.227
crystal cell	length a length b length c angle alpha angle beta angle gamma 89.221 94.062 105.236 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.92 Å
ligand	5RM, CME, MG, ZN BindingDB	enzyme	Hydrolase E.C.3.1.4.17 BRENDA
related structures	by homologous chain: 1ROR, 1XOQ
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structural basis for the activity of drugs that inhibit phosphodiesterases., Card GL, England BP, Suzuki Y, Fong D, Powell B, Lee B, Luu C, Tabrizizad M, Gillette S, Ibrahim PN, Artis DR, Bollag G, Milburn MV, Kim SH, Schlessinger J, Zhang KY, Structure (Camb) 2004 Dec;12(12):2233-47. PMID:15576036

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (123 Kb) [Save to disk] Biological Unit Coordinates (1xm6.pdb1.gz) 59 Kb Biological Unit Coordinates (1xm6.pdb2.gz) 59 Kb LPC: Ligand-Protein Contacts for 1XM6 CSU: Contacts of Structural Units for 1XM6 Likely Quarternary Molecular Structure file(s) for 1XM6 Structure Factors (501 Kb) Retrieve 1XM6 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1XM6 from S2C, [Save to disk] Re-refined 1xm6 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1XM6 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 1XM6

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 1XM6, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1xm6a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1xm6b_, region B [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1xm6_B] [1xm6_A] [1xm6] SWISS-PROT database: [Q07343] Domain organization of [PDE4B_HUMAN] by SWISSPFAM Domain found in 1XM6: [HDc ] by SMART

Other resources with information on 1XM6

Community annotation for 1XM6 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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