1CEQ	Oxidoreductase	date	Mar 10, 1999
title	Chloroquine Binds In The Cofactor Binding Site Of Plasmodium Falciparum Lactate Dehydrogenase.
authors	J.A.Read, K.W.Wilkinson, R.Tranter, R.B.Sessions, R.L.Brady
compound		source
Molecule: Protein (L-Lactate Dehydrogenase) Chain: A Ec: 1.1.1.27 Engineered: Yes		Organism_scientific: Plasmodium Falciparum Organism_common: Malaria Parasite P. Falciparum Organism_taxid: 5833 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Pkk223-3
symmetry	Space Group: I 2 2 2	R_factor 0.190 R_Free 0.238
crystal cell	length a length b length c angle alpha angle beta angle gamma 79.820 85.560 91.780 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand		enzyme	Oxidoreductase E.C.1.1.1.27 BRENDA
related structures	by homologous chain: 1T2C, 1U4S
Gene Ontology	Chain Function Process Component A
Primary reference	Chloroquine binds in the cofactor binding site of Plasmodium falciparum lactate dehydrogenase., Read JA, Wilkinson KW, Tranter R, Sessions RB, Brady RL, J Biol Chem 1999 Apr 9;274(15):10213-8. PMID:10187806

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (53 Kb) [Save to disk] Biological Unit Coordinates (1ceq.pdb1.gz) 193 Kb CSU: Contacts of Structural Units for 1CEQ Likely Quarternary Molecular Structure file(s) for 1CEQ Structure Factors (336 Kb) Retrieve 1CEQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1CEQ from S2C, [Save to disk] Re-refined 1ceq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1CEQ 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 1CEQ

Ramachandran plot from PDBSum

Structure-derived information

Conformational Epitope Prediction for 1CEQ from the CEP Server. Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1CEQ, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ceqa2, region A:164-329 [Jmol] [rasmolscript] [script source]     - Domain d1ceqa1, region A:19-163 [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: [1ceq] [1ceq_A] SWISS-PROT database: [Q27743] Domain organization of [LDH_PLAFD] by SWISSPFAM

Other resources with information on 1CEQ

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

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