PDB entry 1y3b

View 1y3b on RCSB PDB site
Description: Crystal structure of the complex of subtilisin BPN' with chymotrypsin inhibitor 2 E60S mutant
Class: hydrolase/hydrolase inhibitor
Keywords: serine protease; inhibitor
Deposited on 2004-11-24, released 2005-05-17
The last revision prior to the SCOP 1.75 freeze date was dated 2005-05-17, with a file datestamp of 2007-06-04.
Experiment type: XRAY
Resolution: 1.8 Å
R-factor: 0.152
AEROSPACI score: 0.65 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'E':
    Compound: subtilisin bpn'
    Species: Bacillus amyloliquefaciens
    Gene: APR
    Database cross-references and differences (RAF-indexed):
    • Uniprot P00782 (0-274)
      • his tag (275-280)
    Domains in SCOP 1.75: d1y3be1
  • Chain 'I':
    Compound: chymotrypsin inhibitor 2
    Species: Hordeum vulgare
    Database cross-references and differences (RAF-indexed):
    • Uniprot Q40059 (1-63)
      • initiating methionine (0)
      • engineered (40)
    Domains in SCOP 1.75: d1y3bi1
  • Heterogens: CA, NA, CIT, 15P, HOH

PDB Chain Sequences:

  • Chain 'E':
    Sequence; same for both SEQRES and ATOM records: (download) 
    >1y3bE (E:)
aqsvpygvsqikapalhsqgytgsnvkvavidsgidsshpdlkvaggasmvpsetnpfqd
nnshgthvagtvaalnnsigvlgvapsaslyavkvlgadgsgqyswiingiewaiannmd
vinmslggpsgsaalkaavdkavasgvvvvaaagnegtsgssstvgypgkypsviavgav
dssnqrasfssvgpeldvmapgvsiqstlpgnkygayngtsmasphvagaaalilskhpn
wtntqvrsslentttklgdsfyygkglinvqaaaqhhhhhh

  • Chain 'I':
    Sequence; same for both SEQRES and ATOM records: (download) 
    >1y3bI (I:)
mktewpelvgksveeakkvilqdkpaaqiivlpvgtivtmsyridrvrlfvdrldniaqv
prvg