1H2U Nuclear Protein date Aug 16, 2002
title Structure Of The Human Nuclear Cap-Binding-Complex (Cbc) In With A Cap Analogue M7gpppg
authors C.Mazza, A.Segref, I.W.Mattaj, S.Cusack
compound source
Molecule: 80 Kda Nuclear Cap Binding Protein
Chain: A, B
Fragment: Mif4g Domain, Residues 20-652,701-790
Synonym: Ncbp 80 Kda Subunit, Cbp80
Engineered: Yes
Mutation: Yes
Other_details: Deletion Of The First 19 Residues In N-Termi Deletion Of Residues 653-701 Replaced By A Glycine, Enginee Mutation Ala 479 Ser;
 Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Trichoplusia Ni
Expression_system_taxid: 7111
Expression_system_cell_line: High Five
Expression_system_vector_type: Baculovirus

Molecule: 20 Kda Nuclear Cap Binding Protein
Chain: X, Y
Synonym: Cbp20, Ncbp 20 Kda Subunit, Ncbp Interacting Prote Nip1;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli Bl21
Expression_system_taxid: 511693
Expression_system_plasmid: Prseta
symmetry Space Group: P 21 21 21
R_factor 0.194 R_Free 0.245
crystal
cell
length a length b length c angle alpha angle beta angle gamma
111.838 125.720 188.756 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.40 Å
ligand 7MG, GDP enzyme
related structures by homologous chain: 1H2T, 1N54
Gene
Ontology
ChainFunctionProcessComponent
A, B


X, Y


Primary referenceLarge-scale induced fit recognition of an m(7)GpppG cap analogue by the human nuclear cap-binding complex., Mazza C, Segref A, Mattaj IW, Cusack S, EMBO J 2002 Oct 15;21(20):5548-57. PMID:12374755
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (310 Kb) [Save to disk]
  • Biological Unit Coordinates (1h2u.pdb1.gz) 154 Kb
  • Biological Unit Coordinates (1h2u.pdb2.gz) 154 Kb
  • LPC: Ligand-Protein Contacts for 1H2U
  • CSU: Contacts of Structural Units for 1H2U
  • Likely Quarternary Molecular Structure file(s) for 1H2U
  • Structure Factors (826 Kb)
  • Retrieve 1H2U in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1H2U from S2C, [Save to disk]
  • Re-refined 1h2u structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1H2U 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 1H2U
  • 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 1H2U, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1h2ua1, region A:26-290 [Jmol] [rasmolscript] [script source]
        - Domain d1h2ua2, region A:291-480 [Jmol] [rasmolscript] [script source]
        - Domain d1h2ua3, region A:481-790 [Jmol] [rasmolscript] [script source]
        - Domain d1h2ub1, region B:27-290 [Jmol] [rasmolscript] [script source]
        - Domain d1h2ub2, region B:291-480 [Jmol] [rasmolscript] [script source]
        - Domain d1h2ub3, region B:481-790 [Jmol] [rasmolscript] [script source]
        - Domain d1h2ux_, region X [Jmol] [rasmolscript] [script source]
        - Domain d1h2uy_, region Y [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: [1h2u_X] [1h2u] [1h2u_A] [1h2u_Y] [1h2u_B]
  • SWISS-PROT database: [Q09161] [P52298]
  • Belongs to the small nuclear rna exporter (snrna-e) according to TCDB.
  • Domain organization of [NCBP1_HUMAN] [NCBP2_HUMAN] by SWISSPFAM
  • Domains found in 1H2U: [MIF4G] [RRM ] by SMART
    • Other resources with information on 1H2U
  • Community annotation for 1H2U 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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