1BTW

Episelection: novel KI ~nanomolar inhibitors of serine proteases selected by binding or chemistry on an enzyme surface

Structural Biology Knowledgebase: 1BTW SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Observed: 0.164

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1BTW

Classification: HYDROLASE / HYDROLASE INHIBITOR

Total Structure Weight: 24528.59

Macromolecule Entities
Molecule Chains Length Organism Details
BETA-TRYPSIN A 229 Bos taurus EC#: 3.4.21.4 IUBMB
Gene Name(s):

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
0ZW
Query on 0ZW

A N-(tert-butoxycarbonyl)-L-alanyl-N-{(1S)- 5-ammonio-1-[hydroxy(3-hydroxypropoxy)boranyl]pentyl}- L-valinamide
C21 H44 B N4 O7
JPOFXBAJTXFLAJ-ULQDDVLXSA-O
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

A CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Biologically Interesting Molecules 1 Unique
ID Chains Name Type/Class 2D Diagram 3D Interactions
PRD_000388 (VAL,ALA,BLY,BOC,PDO) A T-BUTOXY-ALA-VAL-BORO-LYS 1,3-PROPANEDIOL MONOESTER Peptide-like /
Inhibitor
Ligand Explorer

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Observed: 0.164
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 63.74 α = 90.00
b = 63.54 β = 90.00
c = 68.93 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1995-05-17
  • Released Date: 1995-10-15
  • Deposition author(s): Stroud, R.M., Katz, B.A., Finer-Moore, J.

Revision History

  • 2012-12-12
    Type: Other | Details: Add PRD info
  • 2011-07-13
    Type: Function and keywords | Details: Function and keywords
  • 2011-07-13
    Type: Linkage | Details: Linkage
  • 2011-07-13
    Type: Sequence database correspondence | Details: Sequence database correspondence
  • 2011-07-13
    Type: Polymer description | Details: Changed inhibitor presentation or chemistry
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4
  • 2011-07-13
    Type: Atom nomenclature | Details: Atom nomenclature
  • 2011-07-13
    Type: Binding sites and description | Details: Binding sites and description
  • 2011-07-13
    Type: Non-polymer description | Details: Non-polymer description