1LTH	Oxidoreductase	date	Jan 04, 1995
title	T And R States In The Crystals Of Bacterial L-Lactate Dehydr Reveal The Mechanism For Allosteric Control
authors	S.Iwata, T.Ohta
compound		source
Molecule: L-Lactate Dehydrogenase (T- And R- State Tetramer Chain: T, R Ec: 1.1.1.27 Engineered: Yes		Organism_scientific: Bifidobacterium Longum Subsp. Longum Organism_taxid: 1679 Strain: Subsp. Longum Gene: Bifidobacterium Longum Ldh Gene Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Bacterial Expression_system_plasmid: Pubm9 (A Derivative Of Puc119)
symmetry	Space Group: F 2 2 2	R_factor 0.188 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 148.400 295.900 71.000 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	FBP, NAD, OXM	enzyme	Oxidoreductase E.C.1.1.1.27 BRENDA
note	1LTH (Molecule of the Month:pdb102)
related structures	by homologous chain: 1LLD
Gene Ontology	Chain Function Process Component T, R
Primary reference	T and R states in the crystals of bacterial L-lactate dehydrogenase reveal the mechanism for allosteric control., Iwata S, Kamata K, Yoshida S, Minowa T, Ohta T, Nat Struct Biol. 1994 Mar;1(3):176-85. PMID:7656036

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (109 Kb) [Save to disk] Biological Unit Coordinates (1lth.pdb1.gz) 202 Kb Biological Unit Coordinates (1lth.pdb2.gz) 203 Kb LPC: Ligand-Protein Contacts for 1LTH CSU: Contacts of Structural Units for 1LTH Likely Quarternary Molecular Structure file(s) for 1LTH Structure Factors (222 Kb) Retrieve 1LTH in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1LTH from S2C, [Save to disk] Re-refined 1lth structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1LTH 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 1LTH

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 1LTH, from MSDmotif at EBI Genome occurence of 1LTH's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1lthr2, region R:150-319 [Jmol] [rasmolscript] [script source]     - Domain d1lthr1, region R:7-149 [Jmol] [rasmolscript] [script source]     - Domain d1ltht2, region T:150-319 [Jmol] [rasmolscript] [script source]     - Domain d1ltht1, region T:7-149 [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: [1lth_T] [1lth] [1lth_R] SWISS-PROT database: [P19869] Domain organization of [LDH2_BIFLO] by SWISSPFAM

Other resources with information on 1LTH

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

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