3TOP		date
authors
compound		source
symmetry		R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma
method	X-Ray Diffraction	resolution
ligand	AC1, GLC	enzyme
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structural insight into substrate specificity of human intestinal maltase-glucoamylase., Ren L, Qin X, Cao X, Wang L, Bai F, Bai G, Shen Y, Protein Cell. 2011 Oct;2(10):827-36. Epub 2011 Nov 6. PMID:22058037

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (602 Kb) [Save to disk] Biological Unit Coordinates (3top.pdb1.gz) 298 Kb Biological Unit Coordinates (3top.pdb2.gz) 303 Kb LPC: Ligand-Protein Contacts for 3TOP CSU: Contacts of Structural Units for 3TOP Structure Factors (844 Kb) Retrieve 3TOP in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3TOP from S2C, [Save to disk] Re-refined 3top structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3TOP 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.

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3top] [3top_A] [3top_B] SWISS-PROT database: Domain found in 3TOP: [PD ] by SMART

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