1SRN Hydrolase (Nucleic Acid,Rna) date Oct 05, 1990
title The Refined Crystal Structure Of A Fully Active Semisynthetic Ribonuclease At 1.8 Angstroms Resolution
authors P.D.Martin, M.S.Doscher, B.F.P.Edwards
compound source
Molecule: Ribonuclease A
Chain: A
Ec: 3.1.27.5
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 32 2 1
R_factor
R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
67.680 67.680 65.030 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.80 Å
ligand SO4 enzyme Hydrolase E.C.3.1.27.5 BRENDA
related structures by homologous chain: 1JN4, 1Z3L
Gene
Ontology
ChainFunctionProcessComponent
A
  • ribonuclease A activity


  • Primary referenceThe refined crystal structure of a fully active semisynthetic ribonuclease at 1.8-A resolution., Martin PD, Doscher MS, Edwards BF, J Biol Chem 1987 Nov 25;262(33):15930-8. PMID:3680234
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (27 Kb) [Save to disk]
  • Biological Unit Coordinates (1srn.pdb1.gz) 22 Kb
  • LPC: Ligand-Protein Contacts for 1SRN
  • CSU: Contacts of Structural Units for 1SRN
  • Likely Quarternary Molecular Structure file(s) for 1SRN
  • Retrieve 1SRN in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1SRN from S2C, [Save to disk]
  • View 1SRN 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 1SRN
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1SRN, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1srna_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 1srn from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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: [1srn] [1srn_B] [1srn_A]
  • SWISS-PROT database: [P61823]
  • Domain organization of [RNAS1_BOVIN] by SWISSPFAM
  • Domain found in 1SRN: [RNAse_Pc ] by SMART
  • Other resources with information on 1SRN
  • Community annotation for 1SRN at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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