3AMH Hydrolase date Aug 20, 2010
title Crystal Structure Of Cellulase 12a From Thermotoga Maritima
authors Y.S.Cheng, T.P.Ko, J.R.Liu, R.T.Guo
compound source
Molecule: Endo-1,4-Beta-Glucanase
Chain: A, B
Synonym: Cellulase 12a
Ec: 3.2.1.4
Engineered: Yes
Organism_scientific: Thermotoga Maritima
Organism_taxid: 2336
Gene: Cela
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet16b
symmetry Space Group: P 21 21 21
R_factor 0.177 R_Free 0.220
crystal
cell
length a length b length c angle alpha angle beta angle gamma
41.679 73.976 181.031 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.09 Å
ligand
enzyme Hydrolase E.C.3.2.1.4 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceCrystal structure and substrate-binding mode of cellulase 12A from Thermotoga maritima., Cheng YS, Ko TP, Wu TH, Ma Y, Huang CH, Lai HL, Wang AH, Liu JR, Guo RT, Proteins. 2011 Apr;79(4):1193-204. doi: 10.1002/prot.22953. Epub 2011 Jan, 25. PMID:21268113
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (95 Kb) [Save to disk]
  • Biological Unit Coordinates (3amh.pdb1.gz) 46 Kb
  • Biological Unit Coordinates (3amh.pdb2.gz) 46 Kb
  • CSU: Contacts of Structural Units for 3AMH
  • Structure Factors (320 Kb)
  • Retrieve 3AMH in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3AMH from S2C, [Save to disk]
  • Re-refined 3amh structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3AMH 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 3AMH
  • 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 3AMH, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3amh_A] [3amh_B] [3amh]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 3AMH
  • Community annotation for 3AMH 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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