1SSC

THE 1.6 ANGSTROMS STRUCTURE OF A SEMISYNTHETIC RIBONUCLEASE CRYSTALLIZED FROM AQUEOUS ETHANOL. COMPARISON WITH CRYSTALS FROM SALT SOLUTIONS AND WITH RNASE A FROM AQUEOUS ALCOHOL SOLUTIONS

Structural Biology Knowledgebase: 1SSC SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Observed: 0.166

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1SSC

Classification: ENDONUCLEASE

Total Structure Weight: 13707.26

Macromolecule Entities
Molecule Chains Length Organism Details
RIBONUCLEASE A A 112 Bos taurus EC#: 3.1.27.5 IUBMB
Gene Name(s): RNASE1 Gene View RNS1
RIBONUCLEASE A B 11 Bos taurus EC#: 3.1.27.5 IUBMB
Gene Name(s): RNASE1 Gene View RNS1

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
PO4
Query on PO4

A PHOSPHATE ION
O4 P
NBIIXXVUZAFLBC-UHFFFAOYSA-K
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Observed: 0.166
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 30.36 α = 90.00
b = 38.34 β = 106.35
c = 53.55 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1994-10-05
  • Released Date: 1995-01-26
  • Deposition author(s): De Mel, V.S.J., Doscher, M.S., Martin, P.D., Rodier, F., Edwards, B.F.P.

Revision History

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