2IWA	Transferase	date	Jun 27, 2006
title	Unbound Glutaminyl Cyclotransferase From Carica Papaya.
authors	T.Guevara, N.Mallorqui-Fernandez, R.Garcia-Castellanos, G.E.Pet C.Lauritzen, J.Pedersen, J.Arnau, F.X.Gomis-Ruth, M.Sola
compound		source
Molecule: Glutamine Cyclotransferase Chain: A Ec: 2.3.2.5 Engineered: Yes Other_details: Glycosylation At Asn53 And Asn123		Organism_scientific: Carica Papaya Organism_common: Papaya Organism_taxid: 3649 Expression_system: Trichoplusia Ni Expression_system_common: Cabbage Looper Expression_system_taxid: 7111 Expression_system_cell_line: High Five Expression_system_vector_type: Baculovirus
symmetry	Space Group: P 65	R_factor 0.148 R_Free 0.168
crystal cell	length a length b length c angle alpha angle beta angle gamma 97.740 97.740 64.974 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.60 Å
ligand	CA, GOL, NAG	enzyme	Transferase E.C.2.3.2.5 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Papaya glutamine cyclotransferase shows a singular five-fold beta-propeller architecture that suggests a novel reaction mechanism., Guevara T, Mallorqui-Fernandez N, Garcia-Castellanos R, Garcia-Pique S, Ebert Petersen G, Lauritzen C, Pedersen J, Arnau J, Gomis-Ruth FX, Sola M, Biol Chem. 2006 Oct-Nov;387(10-11):1479-86. PMID:17081122

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (56 Kb) [Save to disk] Biological Unit Coordinates (2iwa.pdb1.gz) 50 Kb LPC: Ligand-Protein Contacts for 2IWA CSU: Contacts of Structural Units for 2IWA Likely Quarternary Molecular Structure file(s) for 2IWA Structure Factors (313 Kb) Retrieve 2IWA in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2IWA from S2C, [Save to disk] Re-refined 2iwa structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2IWA 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 2IWA

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 2IWA, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2iwa_A] [2iwa] SWISS-PROT database: [O81226] Domain organization of [O81226_CARPA] by SWISSPFAM

Other resources with information on 2IWA

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

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