2HRQ	Hydrolase	date	Jul 20, 2006
title	Crystal Structure Of Human Liver Carboxylesterase 1 (Hce1) I Complex With The Nerve Agent Soman (Gd)
authors	C.D.Fleming, M.R.Redinbo
compound		source
Molecule: Liver Carboxylesterase 1 Chain: A, B, C, D, E, F Synonym: Acyl Coenzyme A:Cholesterol Acyltransferase, Acat, Monocytemacrophage Serine Esterase, Hmse, Serine Esterase Carboxylesterase Hbr1, Triacylglycerol Hydrolase, Tgh, Egas Ec: 3.1.1.1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Ces1 Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108
symmetry	Space Group: P 1 21 1	R_factor 0.170 R_Free 0.225
crystal cell	length a length b length c angle alpha angle beta angle gamma 55.463 181.193 203.051 90.00 89.99 90.00
method	X-Ray Diffraction	resolution	2.70 Å
ligand	FRU, GD7, GLC, NAG, SIA, SO4	enzyme	Hydrolase E.C.3.1.1.1 BRENDA
Gene Ontology	Chain Function Process Component F, A, D, C, E, B cholesterol ester hydrolysis...
Primary reference	Crystal Structures of Human Carboxylesterase 1 in Covalent Complexes with the Chemical Warfare Agents Soman and Tabun(,)., Fleming CD, Edwards CC, Kirby SD, Maxwell DM, Potter PM, Cerasoli DM, Redinbo MR, Biochemistry. 2007 May 1;46(17):5063-5071. Epub 2007 Apr 4. PMID:17407327

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (528 Kb) [Save to disk] Biological Unit Coordinates (2hrq.pdb1.gz) 262 Kb Biological Unit Coordinates (2hrq.pdb2.gz) 264 Kb LPC: Ligand-Protein Contacts for 2HRQ CSU: Contacts of Structural Units for 2HRQ Likely Quarternary Molecular Structure file(s) for 2HRQ Structure Factors (2846 Kb) Retrieve 2HRQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2HRQ from S2C, [Save to disk] Re-refined 2hrq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2HRQ 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 2HRQ

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 2HRQ, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2hrq_F] [2hrq_A] [2hrq_E] [2hrq_D] [2hrq_B] [2hrq] [2hrq_C] SWISS-PROT database: [P23141] Domain organization of [EST1_HUMAN] by SWISSPFAM

Other resources with information on 2HRQ

Community annotation for 2HRQ at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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