1SSC Endonuclease date Oct 05, 1994
title 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
authors V.S.J.De Mel, M.S.Doscher, P.D.Martin, F.Rodier, B.F.P.Edwards
compound source
Molecule: Ribonuclease A
Chain: A
Engineered: Yes
 Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913

Molecule: Ribonuclease A
Chain: B
Engineered: Yes
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
symmetry Space Group: P 1 21 1
R_factor
R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
30.360 38.340 53.550 90.00 106.35 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand PO4 enzyme
related structures by homologous chain: 1RBC, 1SSA
Gene
Ontology
ChainFunctionProcessComponent
A
  • ribonuclease A activity


    • Primary reference1.6 A structure of semisynthetic ribonuclease crystallized from aqueous ethanol. Comparison with crystals from salt solutions and with ribonuclease A from aqueous alcohol solutions., de Mel SJ, Doscher MS, Martin PD, Rodier F, Edwards BF, Acta Crystallogr D Biol Crystallogr. 1995 Nov 1;51(Pt 6):1003-12. PMID:15299768
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (25 Kb) [Save to disk]
  • Biological Unit Coordinates (1ssc.pdb1.gz) 22 Kb
  • LPC: Ligand-Protein Contacts for 1SSC
  • CSU: Contacts of Structural Units for 1SSC
  • Likely Quarternary Molecular Structure file(s) for 1SSC
  • Retrieve 1SSC in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1SSC from S2C, [Save to disk]
    • View 1SSC in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
    • Visual 3D analysis of 1SSC
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1SSC, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1ssc.1, region A:,B [Jmol] [rasmolscript] [script source]
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1ssc_B] [1ssc] [1ssc_A]
  • SWISS-PROT database: [P61823]
  • Domain organization of [RNAS1_BOVIN] by SWISSPFAM
  • Domain found in 1SSC: [RNAse_Pc ] by SMART
    • Other resources with information on 1SSC
  • Community annotation for 1SSC at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
    • Movements, Movies and Images
  • Domain movements in 1SSC from the Database of Macromolecular Movements.
  • Images from IMB Jena Image Library of Biological Macromolecules.

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