1QDT	Hydrolase	date	Jul 10, 1999
title	2.1 A Resolution Structure Of Escherichia Coli Lytic Transgl Slt35 In Complex With Calcium
authors	E.J.Van Asselt, A.J.Dijkstra
compound		source
Molecule: Lytic Murein Transglycosylase B Chain: A Fragment: Slt35 Synonym: Murein Hydrolase B, 35 Kd Soluble Lytic Transglyco Slt35; Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Cellular_location: Periplasm Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_cellular_location: Periplasm
symmetry	Space Group: P 21 21 21	R_factor 0.159 R_Free 0.206
crystal cell	length a length b length c angle alpha angle beta angle gamma 58.417 67.788 99.149 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	CA, EDO, GOL	enzyme
related structures	by homologous chain: 1QDR, 1QUT
Gene Ontology	Chain Function Process Component A
Primary reference	Binding of calcium in the EF-hand of Escherichia coli lytic transglycosylase Slt35 is important for stability., van Asselt EJ, Dijkstra BW, FEBS Lett 1999 Sep 24;458(3):429-35. PMID:10570954

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (62 Kb) [Save to disk] Biological Unit Coordinates (1qdt.pdb1.gz) 58 Kb LPC: Ligand-Protein Contacts for 1QDT CSU: Contacts of Structural Units for 1QDT Likely Quarternary Molecular Structure file(s) for 1QDT Structure Factors (142 Kb) Retrieve 1QDT in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QDT from S2C, [Save to disk] Re-refined 1qdt structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1QDT 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 1QDT

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 1QDT, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qdta_, region A [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: [1qdt] [1qdt_A] SWISS-PROT database: [P41052] Domain organization of [MLTB_ECOLI] by SWISSPFAM

Other resources with information on 1QDT

Community annotation for 1QDT at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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