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Summary [1tlf]

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PDB ID or Keywordsequenceauthor name

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<Asymmetric unit> = <Biological unit> More images... View in 3D molecule viewer ( jV3 / Jmol ) *1

PDB ID 1tlf  sequence information (FASTA format)    Descriptor TRYPTIC CORE FRAGMENT OF THE LACTOSE REPRESSOR OF ESCHERICHIA COLI Title UNPRECEDENTED QUATERNARY STRUCTURE OF E. COLI LAC REPRESSOR CORE TETRAMER: IMPLICATIONS FOR DNA LOOPING Functional Keywords TRANSCRIPTION REGULATION Biological source Escherichia coli Total number of polymer chains 4 Total molecular weight 130491.6 (the details in Structural Details Page) Authors Friedman, A.M. , Fischmann, T.O. , Steitz, T.A. (deposition date : 1995-03-06, release date : 1995-07-31) Primary citation Friedman, A.M. , Fischmann, T.O. , Steitz, T.A. Crystal structure of lac repressor core tetramer and its implications for DNA looping. Science, 268:1721 - 1727, 1995.(PubMed : 7792597) Experimental method X-RAY DIFFRACTION ( 2.6[Å] ) Other Database Information EM Navigator , Yorodumi , CATH , CE , FSSP , SCOP , VAST , UniProt ( P03023 ) , eF-site , GDB , ProTherm , EzCatDB , PISA , PQS

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