1CIL

THE POSITIONS OF HIS-64 AND A BOUND WATER IN HUMAN CARBONIC ANHYDRASE II UPON BINDING THREE STRUCTURALLY RELATED INHIBITORS

Structural Biology Knowledgebase: 1CIL SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.6 Å
  • R-Value Work:

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1CIL

Classification: LYASE(OXO-ACID)

Total Structure Weight: 29547.91

Macromolecule Entities
Molecule Chains Length Organism Details
CARBONIC ANHYDRASE II A 259 Homo sapiens EC#: 4.2.1.1 IUBMB
Gene Name(s): CA2 Gene View

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

A (4S-TRANS)-4-(ETHYLAMINO)-5,6-DIHYDRO-6-METHYL- 4H-THIENO(2,3-B)THIOPYRAN-2-SULFONAMIDE-7,7- DIOXIDE
Dorzolamide (Synonym)
C10 H16 N2 O4 S3
IAVUPMFITXYVAF-XPUUQOCRSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ZN
Query on ZN

A ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
ETS IC50: 0.18 - 7.1 nM (100) BindingDB
Ki: 0.28 - 9 nM (100) BindingDB

Ki: 0.372 nM  BindingMOAD
Ki: 0.37 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.6 Å
  • R-Value Observed:
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 42.87 α = 90.00
b = 42.13 β = 104.55
c = 72.92 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1993-10-20
  • Released Date: 1994-01-31
  • Deposition author(s): Smith, G.M., Alexander, R.S., Christianson, D.W., Mckeever, B.M., Ponticello, G.S., Springer, J.P., Randall, W.C., Baldwin, J.J., Habecker, C.N.

Revision History

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