1GBT

STRUCTURE OF AN ACYL-ENZYME INTERMEDIATE DURING CATALYSIS: (GUANIDINOBENZOYL) TRYPSIN

Structural Biology Knowledgebase: 1GBT SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Observed: 0.162

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1GBT

Classification: HYDROLASE(SERINE PROTEINASE)

Total Structure Weight: 23735.77

Macromolecule Entities
Molecule Chains Length Organism Details
BETA-TRYPSIN A 223 Bos taurus EC#: 3.4.21.4 IUBMB
Gene Name(s):

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

A 4-GUANIDINOBENZOIC ACID
C8 H9 N3 O2
SXTSBZBQQRIYCU-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
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)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
GBS Ki: 10000000 nM (100) BindingDB

N/A in BindingMoad
Ki: 10000000 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Observed: 0.162
  • 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: 1991-09-17
  • Released Date: 1994-01-31
  • Deposition author(s): Singer, P.T., Sweet, R.M.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4