1DKL	Hydrolase	date	Dec 08, 1999
title	Crystal Structure Of Escherichia Coli Phytase At Ph 4.5 (No Ligand Bound)
authors	D.Lim, S.Golovan, C.W.Forsberg, Z.Jia
compound		source
Molecule: Phytase Chain: A, B Synonym: Ph 2.5 Acid Phosphatase Ec: 3.1.3.2 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Pet21a
symmetry	Space Group: P 1 21 1	R_factor 0.157 R_Free 0.202
crystal cell	length a length b length c angle alpha angle beta angle gamma 74.802 72.126 82.434 90.00 92.04 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand		enzyme	Hydrolase E.C.3.1.3.2 BRENDA
related structures	by homologous chain: 1DKO, 1DKP
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structures of Escherichia coli phytase and its complex with phytate., Lim D, Golovan S, Forsberg CW, Jia Z, Nat Struct Biol 2000 Feb;7(2):108-13. PMID:10655611

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (136 Kb) [Save to disk] Biological Unit Coordinates (1dkl.pdb1.gz) 68 Kb Biological Unit Coordinates (1dkl.pdb2.gz) 67 Kb CSU: Contacts of Structural Units for 1DKL Likely Quarternary Molecular Structure file(s) for 1DKL Structure Factors (278 Kb) Retrieve 1DKL in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1DKL from S2C, [Save to disk] Re-refined 1dkl structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1DKL 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 1DKL

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 1DKL, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1dkla_, region A [Jmol] [rasmolscript] [script source]     - Domain d1dklb_, region B [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1dkl_A] [1dkl_B] [1dkl] SWISS-PROT database: [P07102] Domain organization of [PPA_ECOLI] by SWISSPFAM

Other resources with information on 1DKL

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

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