1IRU Hydrolase date Oct 24, 2001
title Crystal Structure Of The Mammalian 20s Proteasome At 2.75 A
authors M.Unno, T.Mizushima, Y.Morimoto, Y.Tomisugi, K.Tanaka, N.Yasuoka, T.Tsukihara
compound source
Molecule: 20s Proteasome
Chain: A, O
 Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
Tissue: Liver

Molecule: 20s Proteasome
Chain: B, P
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
Tissue: Liver

Molecule: 20s Proteasome
Chain: C, Q
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
Tissue: Liver

Molecule: 20s Proteasome
Chain: D, R
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
Tissue: Liver

Molecule: 20s Proteasome
Chain: E, S
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
Tissue: Liver

Molecule: 20s Proteasome
Chain: F, T
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
Tissue: Liver

Molecule: 20s Proteasome
Chain: G, U
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
Tissue: Liver

Molecule: 20s Proteasome
Chain: H, V
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
Tissue: Liver

Molecule: 20s Proteasome
Chain: I, W
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
Tissue: Liver

Molecule: 20s Proteasome
Chain: J, X
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
Tissue: Liver

Molecule: 20s Proteasome
Chain: K, Y
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
Tissue: Liver

Molecule: 20s Proteasome
Chain: L, Z
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
Tissue: Liver

Molecule: 20s Proteasome
Chain: M, 1
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
Tissue: Liver

Molecule: 20s Proteasome
Chain: N, 2
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
Tissue: Liver
symmetry Space Group: P 21 21 21
R_factor 0.250 R_Free 0.294
crystal
cell
length a length b length c angle alpha angle beta angle gamma
316.700 205.900 116.000 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.75 Å
ligand MG enzyme
related structures by homologous chain: 1G0U, 1JD2
Gene
Ontology
ChainFunctionProcessComponent
1, M


A, O


D, R


F, T


G, U


J, X


K, Y


N, 2


P, B


Q, C


S, E


V, W, H, I


Z, L


Primary referenceThe structure of the mammalian 20S proteasome at 2.75 A resolution., Unno M, Mizushima T, Morimoto Y, Tomisugi Y, Tanaka K, Yasuoka N, Tsukihara T, Structure (Camb) 2002 May;10(5):609-18. PMID:12015144
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (953 Kb) [Save to disk]
  • Biological Unit Coordinates (1iru.pdb1.gz) 943 Kb
  • LPC: Ligand-Protein Contacts for 1IRU
  • CSU: Contacts of Structural Units for 1IRU
  • Likely Quarternary Molecular Structure file(s) for 1IRU
  • Structure Factors (1690 Kb)
  • Retrieve 1IRU in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1IRU from S2C, [Save to disk]
  • Re-refined 1iru structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1IRU 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 1IRU
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1IRU, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1iru1_, region 1 [Jmol] [rasmolscript] [script source]
        - Domain d1iru2_, region 2 [Jmol] [rasmolscript] [script source]
        - Domain d1irua_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1irub_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1iruc_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1irud_, region D [Jmol] [rasmolscript] [script source]
        - Domain d1irue_, region E [Jmol] [rasmolscript] [script source]
        - Domain d1iruf_, region F [Jmol] [rasmolscript] [script source]
        - Domain d1irug_, region G [Jmol] [rasmolscript] [script source]
        - Domain d1iruh_, region H [Jmol] [rasmolscript] [script source]
        - Domain d1irui_, region I [Jmol] [rasmolscript] [script source]
        - Domain d1iruj_, region J [Jmol] [rasmolscript] [script source]
        - Domain d1iruk_, region K [Jmol] [rasmolscript] [script source]
        - Domain d1irul_, region L [Jmol] [rasmolscript] [script source]
        - Domain d1irum_, region M [Jmol] [rasmolscript] [script source]
        - Domain d1irun_, region N [Jmol] [rasmolscript] [script source]
        - Domain d1iruo_, region O [Jmol] [rasmolscript] [script source]
        - Domain d1irup_, region P [Jmol] [rasmolscript] [script source]
        - Domain d1iruq_, region Q [Jmol] [rasmolscript] [script source]
        - Domain d1irur_, region R [Jmol] [rasmolscript] [script source]
        - Domain d1irus_, region S [Jmol] [rasmolscript] [script source]
        - Domain d1irut_, region T [Jmol] [rasmolscript] [script source]
        - Domain d1iruu_, region U [Jmol] [rasmolscript] [script source]
        - Domain d1iruv_, region V [Jmol] [rasmolscript] [script source]
        - Domain d1iruw_, region W [Jmol] [rasmolscript] [script source]
        - Domain d1irux_, region X [Jmol] [rasmolscript] [script source]
        - Domain d1iruy_, region Y [Jmol] [rasmolscript] [script source]
        - Domain d1iruz_, region Z [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: [1iru_S] [1iru_X] [1iru_A] [1iru] [1iru_V] [1iru_F] [1iru_G] [1iru_W] [1iru_I] [1iru_K] [1iru_H] [1iru_2] [1iru_Z] [1iru_M] [1iru_Y] [1iru_1] [1iru_D] [1iru_T] [1iru_P] [1iru_N] [1iru_O] [1iru_E] [1iru_U] [1iru_C] [1iru_B] [1iru_R] [1iru_Q] [1iru_L] [1iru_J]
  • SWISS-PROT database: [Q3T0X5] [Q3T0Y5] [Q58DU5] [Q3ZCK9] [Q5E987] [Q2YDE4] [Q3ZBG0] [Q2TBX6] [Q5E9K0] [P33672] [Q3T108] [Q32KL2] [Q3MHN0] [Q2TBP0]
  • Domain organization of [PSA1_BOVIN] [PSA2_BOVIN] [PSA3_BOVIN] [PSA4_BOVIN] [PSA5_BOVIN] [PSA6_BOVIN] [PSA7_BOVIN] [PSB1_BOVIN] [PSB2_BOVIN] [PSB3_BOVIN] [PSB4_BOVIN] [PSB5_BOVIN] [PSB6_BOVIN] [PSB7_BOVIN] by SWISSPFAM
  • Domain found in 1IRU: [Proteasome_A_N ] by SMART
    • Other resources with information on 1IRU
  • Community annotation for 1IRU 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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