1KZI	Transferase	date	Feb 06, 2002
title	Crystal Structure Of Ectsdumpthf Complex
authors	T.A.Fritz, L.Liu, J.S.Finer-Moore, R.M.Stroud
compound		source
Molecule: Thymidylate Synthase Chain: A, B Synonym: Ts, Tsase Ec: 2.1.1.45 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 63	R_factor 0.197 R_Free 0.221
crystal cell	length a length b length c angle alpha angle beta angle gamma 125.296 125.296 66.771 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.75 Å
ligand	CO3, CXM, DTT, DTU, GOL, THG, UMP	enzyme	Transferase E.C.2.1.1.45 BRENDA
related structures	by homologous chain: 1F4B, 1F4G
Gene Ontology	Chain Function Process Component A, B
Primary reference	Tryptophan 80 and leucine 143 are critical for the hydride transfer step of thymidylate synthase by controlling active site access., Fritz TA, Liu L, Finer-Moore JS, Stroud RM, Biochemistry 2002 Jun 4;41(22):7021-9. PMID:12033935

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (101 Kb) [Save to disk] Biological Unit Coordinates (1kzi.pdb1.gz) 95 Kb LPC: Ligand-Protein Contacts for 1KZI CSU: Contacts of Structural Units for 1KZI Likely Quarternary Molecular Structure file(s) for 1KZI Structure Factors (462 Kb) Retrieve 1KZI in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KZI from S2C, [Save to disk] Re-refined 1kzi structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1KZI 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 1KZI

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 1KZI, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1kzia_, region A [Jmol] [rasmolscript] [script source]     - Domain d1kzib_, 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: [1kzi_B] [1kzi] [1kzi_A] SWISS-PROT database: [P0A884] Domain organization of [TYSY_ECOLI] by SWISSPFAM

Other resources with information on 1KZI

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

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