3CTT	Hydrolase	date	Apr 14, 2008
title	Crystal Complex Of N-Terminal Human Maltase-Glucoamylase Wit Casuarine
authors	L.Sim, D.R.Rose
compound		source
Molecule: Maltase-Glucoamylase Chain: A Fragment: N-Terminal Subunit (Unp Residues 87-954) Ec: 3.2.1.20 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Gene: Mgam, Mga, Mgaml Expression_system: Drosophila Melanogaster Expression_system_strain: S2 Cells Expression_system_vector_type: Stable Transfection Plasmid Expression_system_plasmid: Pmt-Bip-V5-His
symmetry	Space Group: P 21 21 21	R_factor 0.225 R_Free 0.278
crystal cell	length a length b length c angle alpha angle beta angle gamma 86.692 109.131 109.438 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	3CU, GOL, NAG, SO4	enzyme	Hydrolase E.C.3.2.1.20 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Total Syntheses of Casuarine and Its 6-O-alpha-Glucoside: Complementary Inhibition towards Glycoside Hydrolases of the GH31 and GH37 Families., Cardona F, Parmeggiani C, Faggi E, Bonaccini C, Gratteri P, Sim L, Gloster TM, Roberts S, Davies GJ, Rose DR, Goti A, Chemistry. 2009 Jan 2. PMID:19123216

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (151 Kb) [Save to disk] Biological Unit Coordinates (3ctt.pdb1.gz) 145 Kb LPC: Ligand-Protein Contacts for 3CTT CSU: Contacts of Structural Units for 3CTT Likely Quarternary Molecular Structure file(s) for 3CTT Structure Factors (916 Kb) Retrieve 3CTT in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3CTT from S2C, [Save to disk] Re-refined 3ctt structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3CTT 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 3CTT

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 3CTT, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3ctt] [3ctt_A] SWISS-PROT database: [O43451] Domain organization of [MGA_HUMAN] by SWISSPFAM Domain found in 3CTT: [PD ] by SMART

Other resources with information on 3CTT

Community annotation for 3CTT at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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