2PI8 Hydrolase date Apr 13, 2007
title Crystal Structure Of E. Coli Mlta With Bound Chitohexaose
authors K.E.Van Straaten, T.R.M.Barends, B.W.Dijkstra, A.M.W.H.Thunniss
compound source
Molecule: Membrane-Bound Lytic Murein Transglycosylase A
Chain: A, B, C, D
Synonym: Murein Hydrolase A; Mlt38
Ec: 3.2.1.-
Engineered: Yes
Mutation: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 83333
Strain: K12
Gene: Mlta, Mlt
Expression_system: Escherichia Coli Bl21
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pmss
symmetry Space Group: P 31
R_factor 0.182 R_Free 0.226
length a length b length c angle alpha angle beta angle gamma
91.000 91.000 187.200 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.25 Å
ligand MSE, NAG, PO4 enzyme Hydrolase E.C.3.2.1 BRENDA
A, D, C, B

Primary referenceStructure of Escherichia coli Lytic transglycosylase MltA with bound chitohexaose: implications for peptidoglycan binding and cleavage., van Straaten KE, Barends TR, Dijkstra BW, Thunnissen AM, J Biol Chem. 2007 Jul 20;282(29):21197-205. Epub 2007 May 14. PMID:17502382
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (228 Kb) [Save to disk]
  • Biological Unit Coordinates (2pi8.pdb1.gz) 219 Kb
  • LPC: Ligand-Protein Contacts for 2PI8
  • CSU: Contacts of Structural Units for 2PI8
  • Likely Quarternary Molecular Structure file(s) for 2PI8
  • Structure Factors (577 Kb)
  • Retrieve 2PI8 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2PI8 from S2C, [Save to disk]
  • Re-refined 2pi8 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2PI8 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 2PI8
  • 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 2PI8, from MSDmotif at EBI
  • Fold representative 2pi8 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2pi8] [2pi8_A] [2pi8_C] [2pi8_B] [2pi8_D]
  • SWISS-PROT database: [P0A935]
  • Domain organization of [MLTA_ECOLI] by SWISSPFAM
  • Domain found in 2PI8: [MltA ] by SMART
  • Other resources with information on 2PI8
  • Community annotation for 2PI8 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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