1LLD	Oxidoreductase	date	Jun 08, 1992
title	Molecular Basis Of Allosteric Activation Of Bacterial L-Lact Dehydrogenase
authors	S.Iwata, T.Ohta
compound		source
Molecule: L-Lactate Dehydrogenase Chain: A, B Ec: 1.1.1.27 Engineered: Yes		Organism_scientific: Bifidobacterium Longum Subsp. Longum Organism_taxid: 1679 Strain: Subsp. Longum Expression_system_vector_type: Bacterial
symmetry	Space Group: P 21 21 2	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 105.800 131.400 63.800 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	NAD	enzyme	Oxidoreductase E.C.1.1.1.27 BRENDA
related structures	by homologous chain: 1LTH
Gene Ontology	Chain Function Process Component A, B
Primary reference	Molecular basis of allosteric activation of bacterial L-lactate dehydrogenase., Iwata S, Ohta T, J Mol Biol. 1993 Mar 5;230(1):21-7. PMID:8450537

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (106 Kb) [Save to disk] Biological Unit Coordinates (1lld.pdb1.gz) 198 Kb LPC: Ligand-Protein Contacts for 1LLD CSU: Contacts of Structural Units for 1LLD Likely Quarternary Molecular Structure file(s) for 1LLD Structure Factors (764 Kb) Retrieve 1LLD in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1LLD from S2C, [Save to disk] Re-refined 1lld structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1LLD 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 1LLD

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 1LLD, from MSDmotif at EBI Genome occurence of 1LLD's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1llda2, region A:150-319 [Jmol] [rasmolscript] [script source]     - Domain d1llda1, region A:7-149 [Jmol] [rasmolscript] [script source]     - Domain d1lldb2, region B:150-319 [Jmol] [rasmolscript] [script source]     - Domain d1lldb1, region B: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: [1lld_B] [1lld_A] [1lld] SWISS-PROT database: [P19869] Domain organization of [LDH2_BIFLO] by SWISSPFAM

Other resources with information on 1LLD

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

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