1CNK

X-RAY CRYSTALLOGRAPHIC STUDIES OF ENGINEERED HYDROGEN BOND NETWORKS IN A PROTEIN-ZINC BINDING SITE

Structural Biology Knowledgebase: 1CNK SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.15 Å
  • R-Value Observed: 0.176

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1CNK

Classification: LYASE (OXO-ACID)

Total Structure Weight: 29304.54

Macromolecule Entities
Molecule Chains Length Organism Details
CARBONIC ANHYDRASE II A 259 Homo sapiens EC#: 4.2.1.1 IUBMB
Mutation: Q92L
Gene Name(s): CA2 Gene View

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
SO4
Query on SO4

A SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
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 %)
SO4 Ki: 89000000 - 300000000 nM (99) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.15 Å
  • R-Value Observed: 0.176
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 42.70 α = 90.00
b = 41.70 β = 104.60
c = 73.00 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1995-04-03
  • Released Date: 1995-07-10
  • Deposition author(s): Lesburg, C.A., Christianson, D.W.

Revision History

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