1XUK

TRYPSIN-BABIM-SULFATE, PH 5.9

Structural Biology Knowledgebase: 1XUK SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.171
  • R-Value Work: 0.130

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1XUK

Classification: SERINE PROTEASE

Total Structure Weight: 23795.93

Macromolecule Entities
Molecule Chains Length Organism Details
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
BAB
Query on BAB

A BIS(5-AMIDINO-BENZIMIDAZOLYL)METHANE
C17 H19 N8
QZKOOEFIMWKZPK-UHFFFAOYSA-Q
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 %)
BAB Ki: 17 nM (100) BindingDB

Ki: 19000 nM  BindingMOAD
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.171
  • R-Value Work: 0.130
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 54.80 α = 90.00
b = 58.70 β = 90.00
c = 67.60 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1997-10-10
  • Released Date: 1998-11-11
  • Deposition author(s): Katz, B.A., Clark, J.M., Finer-Moore, J.S., Jenkins, T.E., Johnson, C.R., Rose, M.J., Luong, C., Moore, W.R., Stroud, R.M.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4
  • 2011-07-13
    Type: Atom occupancy | Details: Restore author's atom occupancy