1L3L	Transcription Dna	date	Feb 27, 2002
title	Crystal Structure Of A Bacterial Quorum-Sensing Transcriptio Complexed With Pheromone And Dna
authors	R.Zhang, T.Pappas, J.L.Brace, P.C.Miller, T.Oulmassov, J.M.Molyne J.C.Anderson, J.K.Bashkin, S.C.Winans, A.Joachimiak
compound		source
Molecule: 5'-D(Gpaptpgptpgpcpapgpaptpcptpgpc Tpc)-3'; Chain: E, F, G, H Engineered: Yes		Synthetic: Yes
Molecule: Transcriptional Activator Protein Trar Chain: A, B, C, D Synonym: Quorum-Sensing Transcription Factor Engineered: Yes		Organism_scientific: Agrobacterium Tumefaciens Organism_taxid: 358 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: B21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pjz358
symmetry	Space Group: P 1 21 1	R_factor 0.246 R_Free 0.266
crystal cell	length a length b length c angle alpha angle beta angle gamma 92.298 58.370 127.453 90.00 102.81 90.00
method	X-Ray Diffraction	resolution	1.66 Å
ligand	LAE, MSE	enzyme
related structures	by homologous chain: 1H0M
Gene Ontology	Chain Function Process Component A, D, C, B bacterial-type RNA polymeras...
Primary reference	Structure of a bacterial quorum-sensing transcription factor complexed with pheromone and DNA., Zhang RG, Pappas T, Brace JL, Miller PC, Oulmassov T, Molyneaux JM, Anderson JC, Bashkin JK, Winans SC, Joachimiak A, Nature 2002 Jun 27;417(6892):971-4. PMID:12087407

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (205 Kb) [Save to disk] Biological Unit Coordinates (1l3l.pdb1.gz) 100 Kb Biological Unit Coordinates (1l3l.pdb2.gz) 101 Kb LPC: Ligand-Protein Contacts for 1L3L CSU: Contacts of Structural Units for 1L3L Likely Quarternary Molecular Structure file(s) for 1L3L Retrieve 1L3L in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1L3L from S2C, [Save to disk]

View 1L3L 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 1L3L

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1L3L, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1l3la1, region A:170-234 [Jmol] [rasmolscript] [script source]     - Domain d1l3la2, region A:2-169 [Jmol] [rasmolscript] [script source]     - Domain d1l3lb1, region B:170-234 [Jmol] [rasmolscript] [script source]     - Domain d1l3lb2, region B:2-169 [Jmol] [rasmolscript] [script source]     - Domain d1l3lc2, region C:1-162 [Jmol] [rasmolscript] [script source]     - Domain d1l3lc1, region C:172-234 [Jmol] [rasmolscript] [script source]     - Domain d1l3ld2, region D:1-162 [Jmol] [rasmolscript] [script source]     - Domain d1l3ld1, region D:172-234 [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: [1l3l_E] [1l3l_F] [1l3l_G] [1l3l_B] [1l3l_C] [1l3l_A] [1l3l_H] [1l3l_D] [1l3l] SWISS-PROT database: [P33905] Domain organization of [TRAR_RHIRD] by SWISSPFAM Domain found in 1L3L: [HTH_LUXR ] by SMART

Other resources with information on 1L3L

Community annotation for 1L3L at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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