1K20

Inorganic Pyrophosphatase (family II) from Streptococcus gordonii at 1.5 A resolution

Structural Biology Knowledgebase: 1K20 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.5 Å
  • R-Value Free: 0.188
  • R-Value Work: 0.175

Literature

Macromolecules
Sequence Display for 1K20

Classification: HYDROLASE

Total Structure Weight: 67755.66

Macromolecule Entities
Molecule Chains Length Organism Details
Manganese-dependent inorganic pyrophosphatase A, B 310 Streptococcus gordonii EC#: 3.6.1.1 IUBMB
Gene Name(s): ppaC SGO_1648
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A, B SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GOL
Query on GOL

A, B GLYCEROL
2, (Synonym)
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MN
Query on MN

A, B MANGANESE (II) ION
Mn
WAEMQWOKJMHJLA-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.5 Å
  • R-Value Free: 0.188
  • R-Value Work: 0.175
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 60.20 α = 90.00
b = 87.55 β = 90.00
c = 130.03 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-09-26
  • Released Date: 2001-10-31
  • Deposition author(s): Ahn, S., Milner, A.J., Futterer, K., Konopka, M., Ilias, M., Young, T.W., White, S.A.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4
  • 2011-07-13
    Type: Non-polymer description | Details: chemical name/synonym update