1RKS	Transferase	date	May 17, 1999
title	E. Coli Ribokinase In Complex With D-Ribose
authors	J.A.Sigrell, A.D.Cameron, S.L.Mowbray
compound		source
Molecule: Protein (Ribokinase) Chain: A Ec: 2.7.1.15 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Cellular_location: Cytoplasm Gene: Rbsk Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Mri240 Expression_system_plasmid: Pjgk10 Other_details: The Rbsk Gene Was Cloned Behind Aurce 11 Trp Promoter, Forming The Plasmid Pjgk10
symmetry	Space Group: P 61 2 2	R_factor 0.229 R_Free 0.288
crystal cell	length a length b length c angle alpha angle beta angle gamma 95.210 95.210 154.460 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	PO4, RIB	enzyme	Transferase E.C.2.7.1.15 BRENDA
related structures	by homologous chain: 1GQT
Gene Ontology	Chain Function Process Component A
Primary reference	Induced fit on sugar binding activates ribokinase., Sigrell JA, Cameron AD, Mowbray SL, J Mol Biol 1999 Jul 30;290(5):1009-18. PMID:10438599

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (52 Kb) [Save to disk] Biological Unit Coordinates (1rks.pdb1.gz) 93 Kb LPC: Ligand-Protein Contacts for 1RKS CSU: Contacts of Structural Units for 1RKS Likely Quarternary Molecular Structure file(s) for 1RKS Structure Factors (127 Kb) Retrieve 1RKS in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1RKS from S2C, [Save to disk] Re-refined 1rks structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1RKS 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 1RKS

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 1RKS, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1rksa_, 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: [1rks_A] [1rks] SWISS-PROT database: [P0A9J6] Domain organization of [RBSK_ECOLI] by SWISSPFAM

Other resources with information on 1RKS

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

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