PDB entry 1gi4

View 1gi4 on RCSB PDB site
Description: a novel serine protease inhibition motif involving a multi-centered short hydrogen bonding network at the active site
Class: hydrolase
Keywords: three-centered, very short hydrogen bond, oxyanion hole water, shift of pKa of His57, structure-based drug design, specificity, urokinase, trypsin, thrombin, Zn+2-mediated inhibition, hydrolase
Deposited on 2001-01-22, released 2002-01-22
The last revision prior to the SCOPe 2.05 freeze date was dated 2009-02-24, with a file datestamp of 2009-03-01.
Experiment type: XRAY
Resolution: 1.37 Å
R-factor: 0.193
AEROSPACI score: 0.69 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'A':
    Compound: beta-trypsin
    Species: Bos taurus [TaxId:9913]
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.05: d1gi4a_
  • Heterogens: CA, ZN, SO4, 122, HOH

PDB Chain Sequences:

  • Chain 'A':
    Sequence; same for both SEQRES and ATOM records: (download) 
    >1gi4A (A:)
ivggytcgantvpyqvslnsgyhfcggslinsqwvvsaahcyksgiqvrlgedninvveg
neqfisasksivhpsynsntlnndimliklksaaslnsrvasislptscasagtqclisg
wgntkssgtsypdvlkclkapilsdsscksaypgqitsnmfcagyleggkdscqgdsggp
vvcsgklqgivswgsgcaqknkpgvytkvcnyvswikqtiasn