3TKK Hydrolase date Aug 26, 2011
title Crystal Structure Analysis Of A Recombinant Predicted Acetam Formamidase From The Thermophile Thermoanaerobacter Tengcon
authors M.Qian, Q.Huang, G.Wu, L.Lai, Y.Tang, J.Pei, M.Kusunoki
compound source
Molecule: Predicted Acetamidaseformamidase
Chain: A, B, C, D
Engineered: Yes
Organism_scientific: Thermoanaerobacter Tengcongensis
Organism_taxid: 119072
Strain: Mb4t
Gene: Tte1919
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Rosetta De3
symmetry Space Group: P 1 21 1
R_factor 0.174 R_Free 0.237
length a length b length c angle alpha angle beta angle gamma
41.230 152.882 100.255 90.00 99.49 90.00
method X-Ray Diffractionresolution 1.99 Å
ligand CA, CSD, ZN enzyme
note 3TKK supersedes 3MJJ
A, D, C, B

Primary referenceCrystal Structure Analysis of a Recombinant Predicted Acetamidase/Formamidase from the Thermophile Thermoanaerobacter tengcongensis., Qian M, Huang Q, Wu G, Lai L, Tang Y, Pei J, Kusunoki M, Protein J. 2012 Feb;31(2):166-74. PMID:22207484
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (399 Kb) [Save to disk]
  • Biological Unit Coordinates (3tkk.pdb1.gz) 199 Kb
  • Biological Unit Coordinates (3tkk.pdb2.gz) 194 Kb
  • LPC: Ligand-Protein Contacts for 3TKK
  • CSU: Contacts of Structural Units for 3TKK
  • Structure Factors (625 Kb)
  • Retrieve 3TKK in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3TKK from S2C, [Save to disk]
  • Re-refined 3tkk structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3TKK 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 3TKK
  • 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 3TKK, from MSDmotif at EBI
  • Fold representative 3tkk from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3tkk_A] [3tkk] [3tkk_D] [3tkk_B] [3tkk_C]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 3TKK
  • Community annotation for 3TKK at PDBWiki (http://pdbwiki.org)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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