1KAG	Transferase	date	Nov 01, 2001
title	Crystal Structure Of The Escherichia Coli Shikimate Kinase I
authors	M.J.Romanowski, S.K.Burley, New York Sgx Research Center For S Genomics (Nysgxrc)
compound		source
Molecule: Shikimate Kinase I Chain: A, B Synonym: Ski Ec: 2.7.1.71 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Arok Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex6p-1
symmetry	Space Group: P 1 21 1	R_factor 0.217 R_Free 0.271
crystal cell	length a length b length c angle alpha angle beta angle gamma 35.726 63.417 67.941 90.00 91.27 90.00
method	X-Ray Diffraction	resolution	2.05 Å
ligand		enzyme	Transferase E.C.2.7.1.71 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structure of the Escherichia coli shikimate kinase I (AroK) that confers sensitivity to mecillinam., Romanowski MJ, Burley SK, Proteins 2002 Jun 1;47(4):558-62. PMID:12001235

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (58 Kb) [Save to disk] Biological Unit Coordinates (1kag.pdb1.gz) 28 Kb Biological Unit Coordinates (1kag.pdb2.gz) 26 Kb CSU: Contacts of Structural Units for 1KAG Likely Quarternary Molecular Structure file(s) for 1KAG Structure Factors (266 Kb) Retrieve 1KAG in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KAG from S2C, [Save to disk] Re-refined 1kag structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1KAG in 3D

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Visual 3D analysis of 1KAG

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 1KAG, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1kaga_, region A [Jmol] [rasmolscript] [script source]     - Domain d1kagb_, 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: [1kag] [1kag_B] [1kag_A] SWISS-PROT database: [P0A6D7] Domain organization of [AROK_ECOLI] by SWISSPFAM

Other resources with information on 1KAG

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

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