1XP0	Hydrolase	date	Oct 07, 2004
title	Catalytic Domain Of Human Phosphodiesterase 5a In Complex Wi Vardenafil
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: Cgmp-Specific 3',5'-Cyclic Phosphodiesterase Chain: A Fragment: Catalytic Domain Of Human Phosphodiesterase 5a Synonym: Cgb-Pde, Cgmp-Binding Cgmp-Specific Phosphodiester Pde5a; Ec: 3.1.4.17 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Pde5a, Pde5 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 65 2 2	R_factor 0.193 R_Free 0.208
crystal cell	length a length b length c angle alpha angle beta angle gamma 89.662 89.662 222.002 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.79 Å
ligand	MG, VDN, ZN BindingDB	enzyme	Hydrolase E.C.3.1.4.17 BRENDA
note	1XP0 (Molecule of the Month:pdb152)
related structures	by homologous chain: 1T9S, 1XOZ
Gene Ontology	Chain Function Process Component A
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] (63 Kb) [Save to disk] Biological Unit Coordinates (1xp0.pdb1.gz) 56 Kb LPC: Ligand-Protein Contacts for 1XP0 CSU: Contacts of Structural Units for 1XP0 Likely Quarternary Molecular Structure file(s) for 1XP0 Structure Factors (401 Kb) Retrieve 1XP0 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1XP0 from S2C, [Save to disk] Re-refined 1xp0 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1XP0 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 1XP0

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 1XP0, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1xp0a_, region A [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1xp0] [1xp0_A] SWISS-PROT database: [O76074] Domain organization of [PDE5A_HUMAN] by SWISSPFAM Domain found in 1XP0: [HDc ] by SMART

Other resources with information on 1XP0

Community annotation for 1XP0 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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