2QLY	Hydrolase	date	Jul 13, 2007
title	Crystral Structure Of The N-Terminal Subunit Of Human Maltas Glucoamylase
authors	L.Sim, D.R.Rose
compound		source
Molecule: Maltase-Glucoamylase, Intestinal Chain: A Fragment: Sequence Database Residues 87-954 Ec: 3.2.1.- Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Mgam, Mga, Mgaml Expression_system: Drosophila Melanogaster Expression_system_common: Fruit Fly Expression_system_taxid: 7227 Expression_system_strain: S2 Cells Expression_system_vector_type: Plasmid Expression_system_plasmid: Pmt-Bip-V5-His
symmetry	Space Group: P 21 21 21	R_factor 0.178 R_Free 0.224
crystal cell	length a length b length c angle alpha angle beta angle gamma 93.167 107.645 111.966 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	GOL, NAG	enzyme	Hydrolase E.C.3.2.1 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Human intestinal maltase-glucoamylase: crystal structure of the N-terminal catalytic subunit and basis of inhibition and substrate specificity., Sim L, Quezada-Calvillo R, Sterchi EE, Nichols BL, Rose DR, J Mol Biol. 2008 Jan 18;375(3):782-92. Epub 2007 Nov 1. PMID:18036614

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (158 Kb) [Save to disk] Biological Unit Coordinates (2qly.pdb1.gz) 152 Kb LPC: Ligand-Protein Contacts for 2QLY CSU: Contacts of Structural Units for 2QLY Likely Quarternary Molecular Structure file(s) for 2QLY Structure Factors (1121 Kb) Retrieve 2QLY in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2QLY from S2C, [Save to disk] Re-refined 2qly structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2QLY 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 2QLY

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 2QLY, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2qly_A] [2qly] SWISS-PROT database: [O43451] Domain organization of [MGA_HUMAN] by SWISSPFAM Domain found in 2QLY: [PD ] by SMART

Other resources with information on 2QLY

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

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