1QNG	Isomerase Immunosuppressant	date	Oct 14, 1999
title	Plasmodium Falciparum Cyclophilin Complexed With Cyclosporin
authors	M.R.Peterson, D.R.Hall, W.N.Hunter
compound		source
Molecule: Peptidyl-Prolyl Cis-Trans Isomerase Chain: A Synonym: Ppiase, Rotamase, Cyclophilin A Ec: 5.2.1.8 Engineered: Yes		Organism_scientific: Plasmodium Falciparum Organism_taxid: 5833 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3)
Molecule: Cyclosporin A Chain: D Synonym: Cyclosporine, Ciclosporin, Ciclosporine		Organism_scientific: Tolypocladium Inflatum Organism_taxid: 29910
symmetry	Space Group: P 1	R_factor 0.150 R_Free 0.190
crystal cell	length a length b length c angle alpha angle beta angle gamma 35.460 37.690 37.990 61.08 62.70 85.08
method	X-Ray Diffraction	resolution	2.10 Å
ligand	ABA, BMT, DAL, MLE, MVA, SAR	enzyme	Isomerase E.C.5.2.1.8 BRENDA
related structures	by homologous chain: 1IIP, 1NMK, 1QNH
Gene Ontology	Chain Function Process Component A
Primary reference	The three-dimensional structure of a Plasmodium falciparum cyclophilin in complex with the potent anti-malarial cyclosporin A., Peterson MR, Hall DR, Berriman M, Nunes JA, Leonard GA, Fairlamb AH, Hunter WN, J Mol Biol. 2000 Apr 21;298(1):123-33. PMID:10756109

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (38 Kb) [Save to disk] Biological Unit Coordinates (1qng.pdb1.gz) 32 Kb LPC: Ligand-Protein Contacts for 1QNG CSU: Contacts of Structural Units for 1QNG Likely Quarternary Molecular Structure file(s) for 1QNG Structure Factors (56 Kb) Retrieve 1QNG in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QNG from S2C, [Save to disk] Re-refined 1qng structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1QNG 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 1QNG

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 1QNG, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qnga_, region A [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1qng] [1qng_A] [1qng_D] SWISS-PROT database: [Q25756] Domain organization of [Q25756_PLAFA] by SWISSPFAM

Other resources with information on 1QNG

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

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Images from IMB Jena Image Library of Biological Macromolecules.

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