1A4Y Complex (Inhibitor Nuclease) date Feb 08, 1998
title Ribonuclease Inhibitor-Angiogenin Complex
authors A.C.Papageorgiou, K.R.Acharya
compound source
Molecule: Ribonuclease Inhibitor
Chain: A, D
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Organ: Placenta
Expression_system: Escherichia Coli Str. K12 Substr. W3110
Expression_system_taxid: 316407
Expression_system_strain: W3110
Expression_system_plasmid: Pang2

Molecule: Angiogenin
Chain: B, E
Ec: 3.1.27.-
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Organ: Placenta
Expression_system: Escherichia Coli Str. K12 Substr. W3110
Expression_system_taxid: 316407
Expression_system_strain: W3110
Expression_system_vector: Puc-Derived
Expression_system_plasmid: Pang2
symmetry Space Group: P 1 21 1
R_factor 0.193 R_Free 0.286
crystal
cell
length a length b length c angle alpha angle beta angle gamma
66.553 105.605 93.516 90.00 107.09 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand
enzyme Hydrolase E.C.3.1.27 BRENDA
related structures by homologous chain: 1B1J, 1HBY, 2BEX, 2BNH
Gene
Ontology
ChainFunctionProcessComponent
A, D
  • ribonuclease inhibitor activ...


  • E, B
  • nuclease activity
  • endonuclease activity
  • ribonuclease activity

  • nucleus
  • Primary referenceMolecular recognition of human angiogenin by placental ribonuclease inhibitor--an X-ray crystallographic study at 2.0 A resolution., Papageorgiou AC, Shapiro R, Acharya KR, EMBO J 1997 Sep 1;16(17):5162-77. PMID:9311977
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (181 Kb) [Save to disk]
  • Biological Unit Coordinates (1a4y.pdb1.gz) 176 Kb
  • CSU: Contacts of Structural Units for 1A4Y
  • Likely Quarternary Molecular Structure file(s) for 1A4Y
  • Retrieve 1A4Y in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1A4Y from S2C, [Save to disk]
  • View 1A4Y 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 1A4Y
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1A4Y, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1a4ya_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1a4yb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1a4yd_, region D [Jmol] [rasmolscript] [script source]
        - Domain d1a4ye_, region E [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: [1a4y] [1a4y_A] [1a4y_E] [1a4y_D] [1a4y_B]
  • SWISS-PROT database: [P03950] [P13489]
  • Domain organization of [ANGI_HUMAN] [RINI_HUMAN] by SWISSPFAM
  • Domains found in 1A4Y: [LRR] [LRR_RI] [RNAse_Pc ] by SMART
  • Other resources with information on 1A4Y
  • Community annotation for 1A4Y at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Domain movements in 1A4Y from the Database of Macromolecular Movements.
  • Images from IMB Jena Image Library of Biological Macromolecules.

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