PDB entry 3ech

View 3ech on RCSB PDB site
Description: The MarR-family repressor MexR in complex with its antirepressor ArmR
Class: Transcription, Transcription regulation
Keywords: winged helix, helix-turn-helix, protein-peptide complex, DNA-binding, Repressor, Transcription, Transcription regulation
Deposited on 2008-08-30, released 2008-10-21
The last revision prior to the SCOPe 2.08 freeze date was dated 2017-10-25, with a file datestamp of 2017-10-20.
Experiment type: XRAY
Resolution: 1.8 Å
R-factor: N/A
AEROSPACI score: 0.38 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'A':
    Compound: Multidrug resistance operon repressor
    Species: Pseudomonas aeruginosa [TaxId:287]
    Gene: mexR, PA0424
    Database cross-references and differences (RAF-indexed):
    • Uniprot P52003 (0-141)
      • engineered (105)
      • engineered (109)
    Domains in SCOPe 2.08: d3echa_
  • Chain 'B':
    Compound: Multidrug resistance operon repressor
    Species: Pseudomonas aeruginosa [TaxId:287]
    Gene: mexR, PA0424
    Database cross-references and differences (RAF-indexed):
    • Uniprot P52003 (0-End)
      • engineered (105)
      • engineered (109)
    Domains in SCOPe 2.08: d3echb_
  • Chain 'C':
    Compound: 25-mer fragment of protein ArmR
    Species: Pseudomonas aeruginosa [TaxId:287]
    Gene: PA3719
    Database cross-references and differences (RAF-indexed):
  • Heterogens: HOH

PDB Chain Sequences:

  • Chain 'A':
    Sequence, based on SEQRES records: (download) 
    >3echA (A:)
mnypvnpdlmpalmavfqhvrtriqseldcqrldltppdvhvlklideqrglnlqdlgrq
mcrdkalitrkirelegrnlvrrernpsdqrsfqlfltdeglaihlhaelimsrvhdelf
apltpveqatlvhlldqclaaq

    Sequence, based on observed residues (ATOM records): (download) 
    >3echA (A:)
mnypvnpdlmpalmavfqhvrtriqseldcqrldltppdvhvlklideqrglnlqdlgrq
mcalitrkirelegrnlvrrqlfltdeglaihlhaelimsrvhdelfapltpveqatlvh
lldqclaaq

  • Chain 'B':
    Sequence, based on SEQRES records: (download) 
    >3echB (B:)
mnypvnpdlmpalmavfqhvrtriqseldcqrldltppdvhvlklideqrglnlqdlgrq
mcrdkalitrkirelegrnlvrrernpsdqrsfqlfltdeglaihlhaelimsrvhdelf
apltpveqatlvhlldqclaaq

    Sequence, based on observed residues (ATOM records): (download) 
    >3echB (B:)
mnypvnpdlmpalmavfqhvrtriqseldcqrldltppdvhvlklideqrglnlqdlgrq
mitrkirelegrnlvrrernpsdqrsfqlfltdeglaihlhaelimsrvhdelfapltpv
eqatlvhlldqclaa

  • Chain 'C':
    No sequence available.