1QID	Hydrolase	date	Jun 13, 1999
title	Specific Chemical And Structural Damage At Nine Time Points Caused By Intense Synchrotron Radiation To Torpedo Californ Acetylcholinesterase
authors	G.Kryger, M.Weik, R.B.G.Ravelli
compound		source
Molecule: Acetylcholinesterase Chain: A Ec: 3.1.1.7		Organism_scientific: Torpedo Californica Organism_common: Pacific Electric Ray Organism_taxid: 7787 Variant: G2 Form Organ: Electric Organ Tissue: Electroplaque
symmetry	Space Group: P 31 2 1	R_factor 0.216 R_Free 0.229
crystal cell	length a length b length c angle alpha angle beta angle gamma 111.943 111.943 137.434 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.05 Å
ligand		enzyme	Hydrolase E.C.3.1.1.7 BRENDA
related structures	by homologous chain: 1E66, 1W6R
Gene Ontology	Chain Function Process Component A acetylcholine catabolic proc...
Primary reference	Specific chemical and structural damage to proteins produced by synchrotron radiation., Weik M, Ravelli RB, Kryger G, McSweeney S, Raves ML, Harel M, Gros P, Silman I, Kroon J, Sussman JL, Proc Natl Acad Sci U S A 2000 Jan 18;97(2):623-8. PMID:10639129

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (89 Kb) [Save to disk] Biological Unit Coordinates (1qid.pdb1.gz) 167 Kb CSU: Contacts of Structural Units for 1QID Likely Quarternary Molecular Structure file(s) for 1QID Structure Factors (511 Kb) Retrieve 1QID in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QID from S2C, [Save to disk] Re-refined 1qid structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1QID 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 1QID

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 1QID, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qida_, 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: [1qid_A] [1qid] SWISS-PROT database: [P04058] Domain organization of [ACES_TORCA] by SWISSPFAM

Other resources with information on 1QID

Community annotation for 1QID at PDBWiki (http://pdbwiki.org) LED, table of lipase structures from Lipase Engineering Database. MMDB (Entrez's Structure Database)

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