1INC | pdb_00001inc

CRYSTAL STRUCTURES OF THE COMPLEX OF PORCINE PANCREATIC ELASTASE WITH TWO VALINE-DERIVED BENZOXAZINONE INHIBITORS

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.94 Å
  • R-Value Work: 
    0.172 (Depositor) 

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This is version 1.4 of the entry. See complete history. 

Literature

Crystal structures of the complex of porcine pancreatic elastase with two valine-derived benzoxazinone inhibitors.

Radhakrishnan, R., Presta, L.G., Meyer Jr., E.F., Wildonger, R.

(1987) J Mol Biology 198: 417-424

  • DOI: https://doi.org/10.1016/0022-2836(87)90291-9
  • Primary Citation Related Structures: 
    1INC

  • PubMed Abstract: 

    The crystal structures of porcine pancreatic elastase complexed to two similar benzoxazinone inhibitors are reported to 2.09 A and 1.76 A resolution, and refined to conventional R factors of 0.153 and 0.172.

    • Organizational Affiliation: 
    • Department of Biochemistry and Biophysics, Texas A & M University, College Station 77843.

Macromolecule Content 

  • Total Structure Weight: 26.42 kDa 
  • Atom Count: 1,992 
  • Modeled Residue Count: 240 
  • Deposited Residue Count: 240 
  • Unique protein chains: 1

Macromolecules

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|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
PORCINE PANCREATIC ELASTASE240Sus scrofa domesticusMutation(s): 0 
EC: 3.4.21.36
UniProt
Find proteins for P00772 (Sus scrofa)
Explore P00772 
Go to UniProtKB:  P00772
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP00772
Sequence Annotations
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Reference Sequence

Small Molecules

Ligands 3 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
ICL

Query on ICL


Download:Ideal Coordinates CCD File
D [auth A][1-(3-CHLORO-2-FORMYL-PHENYLCARBAMOYL)-2-METHYL-PROPYL]-CARBAMIC ACID TERT-BUTYL ESTER
C17 H23 Cl N2 O4
GBHYPZDGTWSQFR-AWEZNQCLSA-N
SO4

Query on SO4


Download:Ideal Coordinates CCD File
B [auth A]SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
CA

Query on CA


Download:Ideal Coordinates CCD File
C [auth A]CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.94 Å
  • R-Value Work:  0.172 (Depositor) 
Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 52.1α = 90
b = 58β = 90
c = 75.1γ = 90
Software Package:
Software NamePurpose
EREFrefinement

Structure Validation

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Entry History 

Deposition Data

  • Released Date: 1994-01-31 
    • Deposition Author(s): Meyer, E.

Revision History  (Full details and data files)

  • Version 1.0: 1994-01-31
    Type: Initial release
  • Version 1.1: 2008-03-24
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2024-06-05
    Changes: Data collection, Database references, Derived calculations, Other
  • Version 1.4: 2024-10-30
    Changes: Structure summary