2QWK	Hydrolase	date	Apr 07, 1998
title	The X-Ray Structure Of A Complex Of 5-N-Acetyl-5-Amino-3-(1- Ethylpropoxy)-1-Cyclohexene-1-Carboxylic Acid (Gs4071) And Tern N9 Influenza Virus Neuraminidase
authors	J.N.Varghese
compound		source
Molecule: Neuraminidase Chain: A Fragment: Residues 82 - 468 Synonym: Sialidase Ec: 3.2.1.18 Engineered: Yes Other_details: Integral Membrane Protein, Membrane Bound St Cleaved By Pronase, Releasing Fully Active Head With Residu 468 (Tokyo367 Numbering)		Organism_scientific: Influenza A Virus Organism_taxid: 11320 Strain: Aternaustraliag70c75 Expression_system: Gallus Gallus Expression_system_common: Chicken Expression_system_taxid: 9031
symmetry	Space Group: I 4 3 2	R_factor 0.172 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 180.950 180.950 180.950 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	BMA, CA, G39, MAN, NAG	enzyme	Hydrolase E.C.3.2.1.18 BRENDA
related structures	by homologous chain: 2QWG, 2QWH
Gene Ontology	Chain Function Process Component A
Primary reference	Drug design against a shifting target: a structural basis for resistance to inhibitors in a variant of influenza virus neuraminidase., Varghese JN, Smith PW, Sollis SL, Blick TJ, Sahasrabudhe A, McKimm-Breschkin JL, Colman PM, Structure 1998 Jun 15;6(6):735-46. PMID:9655825

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (78 Kb) [Save to disk] Biological Unit Coordinates (2qwk.pdb1.gz) 277 Kb LPC: Ligand-Protein Contacts for 2QWK CSU: Contacts of Structural Units for 2QWK Likely Quarternary Molecular Structure file(s) for 2QWK Retrieve 2QWK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2QWK from S2C, [Save to disk]

View 2QWK 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 2QWK

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2QWK, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d2qwk__, region [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: [2qwk] [2qwk_A] SWISS-PROT database: [P03472] Domain organization of [NRAM_I75A5] by SWISSPFAM

Other resources with information on 2QWK

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

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