2WWP	Isomerase	date	Oct 26, 2009
title	Crystal Structure Of The Human Lipocalin-Type Prostaglandin
authors	A.K.Roos, L.Tresaugues, C.H.Arrowsmith, H.Berglund, C.Bountra, R. A.M.Edwards, S.Flodin, A.Flores, S.Graslund, M.Hammarstrom, A.Jo I.Johansson, A.Kallas, T.Karlberg, T.Kotyenova, A.Kotzch, P.Krau N.Markova, M.Moche, T.K.Nielsen, T.Nyman, C.Persson, H.Schuler, P M.I.Siponen, L.Svensson, A.G.Thorsell, S.Van Den Berg, E.Wahlbe J.Weigelt, M.Welin, M.Wisniewska, P.Nordlund, Structural Genomi Consortium (Sgc)
compound		source
Molecule: Prostaglandin-H2 D-Isomerase Chain: A, B Synonym: Lipocalin-Type Prostaglandin-D Synthase, Glutathio Independent Pgd Synthetase, Prostaglandin-D2 Synthase, Pgd2 Pgds2, Pgds, Beta-Trace Protein, Cerebrin-28; Ec: 5.3.99.2 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_variant: R3-Prare Expression_system_plasmid: Pnic-Bsa4
symmetry	Space Group: P 1 21 1	R_factor 0.208 R_Free 0.246
crystal cell	length a length b length c angle alpha angle beta angle gamma 36.400 56.590 73.460 90.00 90.15 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	CL, SCN	enzyme	Isomerase E.C.5.3.99.2 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structural and dynamic insights into substrate binding and catalysis of human lipocalin prostaglandin D synthase., Lim SM, Chen D, Teo H, Roos A, Jansson AE, Nyman T, Tresaugues L, Pervushin K, Nordlund P, J Lipid Res. 2013 Jun;54(6):1630-43. doi: 10.1194/jlr.M035410. Epub 2013 Mar 22. PMID:23526831

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (54 Kb) [Save to disk] Biological Unit Coordinates (2wwp.pdb1.gz) 26 Kb Biological Unit Coordinates (2wwp.pdb2.gz) 26 Kb LPC: Ligand-Protein Contacts for 2WWP CSU: Contacts of Structural Units for 2WWP Structure Factors (266 Kb) Retrieve 2WWP in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2WWP from S2C, [Save to disk] Re-refined 2wwp structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2WWP 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 2WWP

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 2WWP, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2wwp_A] [2wwp_B] [2wwp] SWISS-PROT database: [P41222] Domain organization of [PTGDS_HUMAN] by SWISSPFAM

Other resources with information on 2WWP

Community annotation for 2WWP at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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