1GQ8	Hydrolase	date	Nov 20, 2001
title	Pectin Methylesterase From Carrot
authors	K.Johansson, M.El-Ahmad, R.Friemann, H.Jornvall, O.Markovic, H.Ek
compound		source
Molecule: Pectinesterase Chain: A Synonym: Pectin Methylesterase, Pe Ec: 3.1.1.11		Organism_scientific: Daucus Carota Organism_common: Carrot Organism_taxid: 4039 Organ: Ripe Roots
symmetry	Space Group: P 21 21 2	R_factor 0.181 R_Free 0.193
crystal cell	length a length b length c angle alpha angle beta angle gamma 77.690 89.410 49.500 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.75 Å
ligand	CAC, PCA	enzyme	Hydrolase E.C.3.1.1.11 BRENDA
related structures	by homologous chain: 1XG2
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structure of plant pectin methylesterase., Johansson K, El-Ahmad M, Friemann R, Jornvall H, Markovic O, Eklund H, FEBS Lett 2002 Mar 13;514(2-3):243-9. PMID:11943159

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (60 Kb) [Save to disk] Biological Unit Coordinates (1gq8.pdb1.gz) 55 Kb LPC: Ligand-Protein Contacts for 1GQ8 CSU: Contacts of Structural Units for 1GQ8 Likely Quarternary Molecular Structure file(s) for 1GQ8 Structure Factors (325 Kb) Retrieve 1GQ8 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1GQ8 from S2C, [Save to disk] Re-refined 1gq8 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1GQ8 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 1GQ8

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 1GQ8, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1gq8a_, 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: [1gq8] [1gq8_A] SWISS-PROT database: [P83218] Domain organization of [PME_DAUCA] by SWISSPFAM Domain found in 1GQ8: [CASH ] by SMART

Other resources with information on 1GQ8

Community annotation for 1GQ8 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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