PDB entry 1qtn

View 1qtn on RCSB PDB site
Description: crystal structure of the complex of caspase-8 with the tetrapeptide inhibitor ace-ietd-aldehyde
Class: apoptosis
Keywords: complex (protease/inhibitor), apoptosis, dithiane-diol, caspase, cysteine-protease, tetramer
Deposited on 1999-06-28, released 2000-09-20
The last revision prior to the SCOP 1.75 freeze date was dated 2000-09-20, with a file datestamp of 2007-06-04.
Experiment type: XRAY
Resolution: 1.2 Å
R-factor: 0.166
AEROSPACI score: 0.94 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'A':
    Compound: caspase-8
    Species: HOMO SAPIENS
    Database cross-references and differences (RAF-indexed): Domains in SCOP 1.75: d1qtn.1
  • Chain 'B':
    Compound: caspase-8
    Species: HOMO SAPIENS
    Domains in SCOP 1.75: d1qtn.1
  • Chain 'C':
    Compound: acetyl-ile-glu-thr-asp-aldehyde
    Species: synthetic, synthetic
  • Heterogens: ACE, DTD, HOH

PDB Chain Sequences:

  • Chain 'A':
    Sequence, based on SEQRES records: (download) 
    >1qtnA (A:)
spreqdsesqtldkvyqmkskprgycliinnhnfakarekvpklhsirdrngthldagal
tttfeelhfeikphddctveqiyeilkiyqlmdhsnmdcficcilshgdkgiiygtdgqe
apiyeltsqftglkcpslagkpkvffiqacqgdnyqkgipvetd

    Sequence, based on observed residues (ATOM records): (download) 
    >1qtnA (A:)
dkvyqmkskprgycliinnhnfakarekvpklhsirdrngthldagaltttfeelhfeik
phddctveqiyeilkiyqlmdhsnmdcficcilshgdkgiiygtdgqeapiyeltsqftg
lkcpslagkpkvffiqacqgdnyqkgipvetd

  • Chain 'B':
    Sequence, based on SEQRES records: (download) 
    >1qtnB (B:)
lsspqtryipdeadfllgmatvnncvsyrnpaegtwyiqslcqslrercprgddiltilt
evnyevsnkddkknmgkqmpqptftlrkklvfpsd

    Sequence, based on observed residues (ATOM records): (download) 
    >1qtnB (B:)
tryipdeadfllgmatvnncvsyrnpaegtwyiqslcqslrercprgddiltiltevnye
vsnkddkknmgkqmpqptftlrkklvfpsd

  • Chain 'C':
    No sequence available.