1A2T

STAPHYLOCOCCAL NUCLEASE, B-MERCAPTOETHANOL DISULFIDE TO V23C VARIANT


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.96 Å
  • R-Value Observed: 0.169

Literature

Macromolecules
Sequence Display for 1A2T

Classification: NUCLEASE

Total Structure Weight: 17365.73

Macromolecule Entities
Molecule Chains Length Organism Details
STAPHYLOCOCCAL NUCLEASE A 149 Staphylococcus aureus EC#: 3.1.31.1 IUBMB
Mutation: V23X
Details: VARIANT FORMED BY CHEMICAL MODIFICATION OF SOLE CYSTEINE RESIDUE
Gene Name(s): nuc
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A THYMIDINE-3',5'-DIPHOSPHATE
C10 H16 N2 O11 P2
CSNCBOPUCJOHLS-XLPZGREQSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

A CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
CME
Query on CME
A L-PEPTIDE LINKING C5 H11 N O3 S2 CYS

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.96 Å
  • R-Value Observed: 0.169
  • Space Group: P 41

Unit Cell:

Length (Å) Angle (°)
a = 48.20 α = 90.00
b = 48.20 β = 90.00
c = 63.00 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1998-01-11
  • Released Date: 1998-04-29
  • Deposition author(s): Wynn, R., Harkins, P.C., Richards, F.M., Fox, R.O.

Revision History

  • Version 1_0: 1998-04-29

    Type: Initial release

  • Version 1_1: 2008-03-24

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance