PDB entry 1qp4

View 1qp4 on RCSB PDB site
Description: purine repressor-hypoxanthine-palindromic operator complex
Class: transcription/DNA
Keywords: transcription regulation, DNA-binding, repressor, purine biosynthesis, complex (DNA-binding protein/DNA)
Deposited on 1999-06-01, released 1999-06-07
The last revision prior to the SCOP 1.73 freeze date was dated 2000-11-27, with a file datestamp of 2007-06-04.
Experiment type: XRAY
Resolution: 3 Å
R-factor: 0.157
AEROSPACI score: 0.24 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'A':
    Compound: protein (purine nucleotide synthesis repressor)
    Species: Escherichia coli
    Gene: PURR
    Database cross-references and differences (RAF-indexed): Domains in SCOP 1.73: d1qp4a1, d1qp4a2
  • Chain 'M':
    Compound: DNA (5'-d(*tp*ap*cp*gp*cp*ap*ap*tp*cp*gp*ap*tp*tp*gp*cp*gp*t)-3')
  • Heterogens: HPA, HOH

PDB Chain Sequences:

  • Chain 'A':
    Sequence, based on SEQRES records: (download) 
    >1qp4A (A:)
atikdvakranvstttvshvinktrfvaeetrnavwaaikelhyspsavarslkvnhtks
igllatsseaayfaeiieavekncfqkgytlilgnawnnlekqraylsmmaqkrvdgllv
mcseypepllamleeyrhipmvvmdwgeakadftdavidnafeggymagrylierghrei
gvipgplerntgagrlagfmkameeamikvpeswivqgdfepesgyramqqilsqphrpt
avfcggdimamgalcaademglrvpqdvsligydnvrnaryftpalttihqpkdslgeta
fnmlldrivnkreepqsievhprlierrsvadgpfrdyrr

    Sequence, based on observed residues (ATOM records): (download) 
    >1qp4A (A:)
tikdvakranvstttvshvinktrfvaeetrnavwaaikelhyspsavarslkvnhtksi
gllatsseaayfaeiieavekncfqkgytlilgnawnnlekqraylsmmaqkrvdgllvm
cseypepllamleeyrhipmvvmdwgeakadftdavidnafeggymagrylierghreig
vipgplerntgagrlagfmkameeamikvpeswivqgdfepesgyramqqilsqphrpta
vfcggdimamgalcaademglrvpqdvsligydnvrnaryftpalttihqpkdslgetaf
nmlldrivnkreepqsievhprlierrsvadgpfrdyr

  • Chain 'M':
    No sequence available.