1UDU	Hydrolase	date	May 06, 2003
title	Crystal Structure Of Human Phosphodiesterase 5 Complexed Wit Tadalafil(Cialis)
authors	B.J.Sung, J.I.Lee, Y.S.Heo, J.H.Kim, J.Moon, J.M.Yoon, Y.L.Hyun S.J.Eum, T.G.Lee, J.M.Cho, S.Y.Park, J.O.Lee, Y.H.Jeon, K.Y.Hwa
compound		source
Molecule: Cgmp-Specific 3',5'-Cyclic Phosphodiesterase Chain: A, B Fragment: Catalytic Domain Synonym: Phosphodiesterase 5 Ec: 3.1.4.17 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: C 1 2 1	R_factor 0.263 R_Free 0.374
crystal cell	length a length b length c angle alpha angle beta angle gamma 131.352 48.561 123.863 90.00 117.28 90.00
method	X-Ray Diffraction	resolution	2.83 Å
ligand	CIA, MG, ZN BindingDB	enzyme	Hydrolase E.C.3.1.4.17 BRENDA
related structures	by homologous chain: 1UHO
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structure of the catalytic domain of human phosphodiesterase 5 with bound drug molecules., Sung BJ, Yeon Hwang K, Ho Jeon Y, Lee JI, Heo YS, Hwan Kim J, Moon J, Min Yoon J, Hyun YL, Kim E, Jin Eum S, Park SY, Lee JO, Gyu Lee T, Ro S, Myung Cho J, Nature 2003 Sep 4;425(6953):98-102. PMID:12955149

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (109 Kb) [Save to disk] Biological Unit Coordinates (1udu.pdb1.gz) 104 Kb LPC: Ligand-Protein Contacts for 1UDU CSU: Contacts of Structural Units for 1UDU Likely Quarternary Molecular Structure file(s) for 1UDU Structure Factors (111 Kb) Retrieve 1UDU in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1UDU from S2C, [Save to disk] Re-refined 1udu structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1UDU 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 1UDU

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 1UDU, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1udua_, region A [Jmol] [rasmolscript] [script source]     - Domain d1udub_, region B [Jmol] [rasmolscript] [script source]

Sequence-derived information

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

Other resources with information on 1UDU

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

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