1CT8 Immune System date Aug 20, 1999
title Catalytic Antibody 7c8 Complex
authors B.Gigant, T.Tsumuraya, I.Fujii, M.Knossow
compound source
Molecule: 7c8 Fab Fragment; Short Chain
Chain: A, C
Organism_scientific: Mus Musculus
Organism_common: House Mouse
Organism_taxid: 10090

Molecule: 7c8 Fab Fragment; Long Chain
Chain: B, D

Organism_scientific: Mus Musculus
Organism_common: House Mouse
Organism_taxid: 10090
symmetry Space Group: P 1 21 1
R_factor 0.211 R_Free 0.275
length a length b length c angle alpha angle beta angle gamma
54.558 65.612 117.761 90.00 95.56 90.00
method X-Ray Diffractionresolution 2.20 Å
ligand SO4, TAA enzyme
related structures by homologous chain: 1YEE, 2CGR
A, C

Primary referenceDiverse structural solutions to catalysis in a family of antibodies., Gigant B, Tsumuraya T, Fujii I, Knossow M, Structure Fold Des 1999 Nov 15;7(11):1385-93. PMID:10574796
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (146 Kb) [Save to disk]
  • Biological Unit Coordinates (1ct8.pdb1.gz) 142 Kb
  • Biological Unit Coordinates (1ct8.pdb2.gz) 72 Kb
  • Biological Unit Coordinates (1ct8.pdb3.gz) 73 Kb
  • LPC: Ligand-Protein Contacts for 1CT8
  • CSU: Contacts of Structural Units for 1CT8
  • Likely Quarternary Molecular Structure file(s) for 1CT8
  • Retrieve 1CT8 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1CT8 from S2C, [Save to disk]
  • View 1CT8 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 1CT8
  • 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 1CT8, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1ct8a1, region A:1-107 [Jmol] [rasmolscript] [script source]
        - Domain d1ct8a2, region A:108-214 [Jmol] [rasmolscript] [script source]
        - Domain d1ct8b1, region B:1-113 [Jmol] [rasmolscript] [script source]
        - Domain d1ct8b2, region B:114-215 [Jmol] [rasmolscript] [script source]
        - Domain d1ct8c1, region C:1-107 [Jmol] [rasmolscript] [script source]
        - Domain d1ct8c2, region C:108-214 [Jmol] [rasmolscript] [script source]
        - Domain d1ct8d1, region D:1-113 [Jmol] [rasmolscript] [script source]
        - Domain d1ct8d2, region D:114-215 [Jmol] [rasmolscript] [script source]
  • Fold representative 1ct8 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: [1ct8_A] [1ct8_B] [1ct8_C] [1ct8] [1ct8_D]
  • SWISS-PROT database: [P01837]
  • Domain organization of [IGKC_MOUSE] by SWISSPFAM
  • Domains found in 1CT8: [IG_like] [IGv ] by SMART
  • Other resources with information on 1CT8
  • Community annotation for 1CT8 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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