1KNQ	Transferase	date	Dec 19, 2001
title	Crystal Structure Of Gluconate Kinase
authors	L.Kraft, G.A.Sprenger, Y.Lindqvist
compound		source
Molecule: Gluconate Kinase Chain: A, B Synonym: Thermoresistant Gluconokinase Ec: 2.7.1.12 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Gntk Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pjf119eh
symmetry	Space Group: P 21 21 21	R_factor 0.209 R_Free 0.257
crystal cell	length a length b length c angle alpha angle beta angle gamma 51.951 79.294 89.703 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	CL	enzyme	Transferase E.C.2.7.1.12 BRENDA
note	1KNQ is a representative structure
related structures	by homologous chain: 1KO1
Gene Ontology	Chain Function Process Component A, B
Primary reference	Conformational changes during the catalytic cycle of gluconate kinase as revealed by X-ray crystallography., Kraft L, Sprenger GA, Lindqvist Y, J Mol Biol 2002 May 10;318(4):1057-69. PMID:12054802

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (64 Kb) [Save to disk] Biological Unit Coordinates (1knq.pdb1.gz) 58 Kb LPC: Ligand-Protein Contacts for 1KNQ CSU: Contacts of Structural Units for 1KNQ Likely Quarternary Molecular Structure file(s) for 1KNQ Structure Factors (191 Kb) Retrieve 1KNQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KNQ from S2C, [Save to disk] Re-refined 1knq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1KNQ 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 1KNQ

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 1KNQ, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1knqa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1knqb_, region B [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: [1knq_A] [1knq_B] [1knq] SWISS-PROT database: [P46859] Domain organization of [GNTK_ECOLI] by SWISSPFAM

Other resources with information on 1KNQ

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

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

You may enter another PDB ID code

Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]

---

OCA© by Jaime Prilusky, 1996-2014,2022 Bioinformatics Unit Weizmann Institute of Science

---