1TOQ	Sugar Binding Protein	date	Jun 15, 2004
title	Crystal Structure Of A Galactose Specific Lectin From Artoca Hirsuta In Complex With Methyl-A-D-Galactose
authors	K.N.Rao, C.G.Suresh, U.V.Katre, S.M.Gaikwad, M.I.Khan
compound		source
Molecule: Agglutinin Alpha Chain Chain: A, C, E, G		Organism_scientific: Artocarpus Hirsutus Organism_taxid: 291940 Other_details: Seeds
Molecule: Agglutinin Beta Chain Chain: B, D, F, H Engineered: Yes		Synthetic: Yes Other_details: Chemically Synthesized
symmetry	Space Group: P 21 21 21	R_factor 0.197 R_Free 0.235
crystal cell	length a length b length c angle alpha angle beta angle gamma 92.372 98.655 164.884 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	AMG	enzyme
related structures	by homologous chain: 1JAC, 1UH1
Gene Ontology	Chain Function Process Component A, E, C, G F, B, H, D
Primary reference	Two orthorhombic crystal structures of a galactose-specific lectin from Artocarpus hirsuta in complex with methyl-alpha-D-galactose., Rao KN, Suresh CG, Katre UV, Gaikwad SM, Khan MI, Acta Crystallogr D Biol Crystallogr 2004 Aug;60(Pt 8):1404-12. Epub 2004, Jul 21. PMID:15272163

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (98 Kb) [Save to disk] Biological Unit Coordinates (1toq.pdb1.gz) 25 Kb Biological Unit Coordinates (1toq.pdb2.gz) 25 Kb Biological Unit Coordinates (1toq.pdb3.gz) 25 Kb Biological Unit Coordinates (1toq.pdb4.gz) 25 Kb Biological Unit Coordinates (1toq.pdb5.gz) 93 Kb Biological Unit Coordinates (1toq.pdb6.gz) 47 Kb Biological Unit Coordinates (1toq.pdb7.gz) 48 Kb Biological Unit Coordinates (1toq.pdb8.gz) 48 Kb Biological Unit Coordinates (1toq.pdb9.gz) 48 Kb LPC: Ligand-Protein Contacts for 1TOQ CSU: Contacts of Structural Units for 1TOQ Likely Quarternary Molecular Structure file(s) for 1TOQ Structure Factors (360 Kb) Retrieve 1TOQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1TOQ from S2C, [Save to disk] Re-refined 1toq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1TOQ 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 1TOQ

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 1TOQ, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1toq.1, region B:,A [Jmol] [rasmolscript] [script source]     - Domain d1toq.2, region D:,C [Jmol] [rasmolscript] [script source]     - Domain d1toq.3, region F:,E [Jmol] [rasmolscript] [script source]     - Domain d1toq.4, region H:,G [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: [1toq_B] [1toq_F] [1toq_A] [1toq_E] [1toq_H] [1toq_C] [1toq_G] [1toq_D] [1toq] SWISS-PROT database: [P18670] [P18673] Domain organization of [LECA_ARTIN] [LECB3_ARTIN] by SWISSPFAM Domain found in 1TOQ: [Jacalin ] by SMART

Other resources with information on 1TOQ

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

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Images from IMB Jena Image Library of Biological Macromolecules.

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