1GHB

A SECOND ACTIVE SITE IN CHYMOTRYPSIN? THE X-RAY CRYSTAL STRUCTURE OF N-ACETYL-D-TRYPTOPHAN BOUND TO GAMMA-CHYMOTRYPSIN

Structural Biology Knowledgebase: 1GHB SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Observed: 0.152

Literature

Macromolecules
Sequence Display for 1GHB

Classification: HYDROLASE / HYDROLASE INHIBITOR

Total Structure Weight: 26161.24

Macromolecule Entities
Molecule Chains Length Organism Details
GAMMA-CHYMOTRYPSIN E 13 Bos taurus EC#: 3.4.21.1 IUBMB
Gene Name(s):
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
GAMMA-CHYMOTRYPSIN F 131 Bos taurus EC#: 3.4.21.1 IUBMB
Gene Name(s):
GAMMA-CHYMOTRYPSIN G 97 Bos taurus EC#: 3.4.21.1 IUBMB
Gene Name(s):
PRO-GLY-ALA P 3 synthetic

Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
TRP
Query on TRP

E TRYPTOPHAN
C11 H12 N2 O2
QIVBCDIJIAJPQS-VIFPVBQESA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
HEX
Query on HEX

E, F, G HEXANE
C6 H14
VLKZOEOYAKHREP-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
IPA
Query on IPA

F, G ISOPROPYL ALCOHOL
2-PROPANOL (Synonym)
C3 H8 O
KFZMGEQAYNKOFK-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ACE
Query on ACE

E ACETYL GROUP
C2 H4 O
IKHGUXGNUITLKF-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Observed: 0.152
  • Space Group: P 42 21 2

Unit Cell:

Length (Å) Angle (°)
a = 69.60 α = 90.00
b = 69.60 β = 90.00
c = 97.51 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1994-04-06
  • Released Date: 1994-06-22
  • Deposition author(s): Yennawar, H.P., Yennawar, N.H., Farber, G.K.

Revision History

  • 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: Biological assembly | Details: Added software calculated values
  • 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
  • 2011-07-13
    Type: Function and keywords | Details: Function and keywords
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4