2HRR	Hydrolase	date	Jul 20, 2006
title	Crystal Structure Of Human Liver Carboxylesterase 1 (Hce1) I Complex With The Nerve Agent Tabun (Ga)
authors	C.D.Fleming, M.R.Redinbo
compound		source
Molecule: Liver Carboxylesterase 1 Chain: A, B, C 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 21 21 21	R_factor 0.167 R_Free 0.232
crystal cell	length a length b length c angle alpha angle beta angle gamma 55.570 181.050 202.920 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.70 Å
ligand	FRU, GLC, NAG, NTJ, SIA, SO4	enzyme	Hydrolase E.C.3.1.1.1 BRENDA
Gene Ontology	Chain Function Process Component A, C, 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] (272 Kb) [Save to disk] Biological Unit Coordinates (2hrr.pdb1.gz) 265 Kb LPC: Ligand-Protein Contacts for 2HRR CSU: Contacts of Structural Units for 2HRR Likely Quarternary Molecular Structure file(s) for 2HRR Structure Factors (732 Kb) Retrieve 2HRR in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2HRR from S2C, [Save to disk] Re-refined 2hrr structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2HRR 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 2HRR

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 2HRR, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2hrr_A] [2hrr] [2hrr_B] [2hrr_C] SWISS-PROT database: [P23141] Domain organization of [EST1_HUMAN] by SWISSPFAM

Other resources with information on 2HRR

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

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