2EAL	Sugar Binding Protein	date	Jan 31, 2007
title	Crystal Structure Of Human Galectin-9 N-Terminal Crd In Comp Forssman Pentasaccharide
authors	M.Nagae, S.Nakamura-Tsuruta, N.Nishi, T.Nakamura, J.Hirabayashi, S.Wakatsuki, R.Kato
compound		source
Molecule: Galectin-9 Chain: A, B Fragment: N-Terminal Domain Synonym: Hom-Hd-21, Ecalectin Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex4t-1
symmetry	Space Group: P 21 21 21	R_factor 0.207 R_Free 0.245
crystal cell	length a length b length c angle alpha angle beta angle gamma 38.486 68.836 106.106 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.85 Å
ligand	A2G, GAL, NGA	enzyme
Primary reference	Structural analysis of the human galectin-9 N-terminal carbohydrate recognition domain reveals unexpected properties that differ from the mouse orthologue., Nagae M, Nishi N, Nakamura-Tsuruta S, Hirabayashi J, Wakatsuki S, Kato R, J Mol Biol. 2008 Jan 4;375(1):119-35. Epub 2007 Sep 26. PMID:18005988

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (55 Kb) [Save to disk] Biological Unit Coordinates (2eal.pdb1.gz) 26 Kb Biological Unit Coordinates (2eal.pdb2.gz) 27 Kb LPC: Ligand-Protein Contacts for 2EAL CSU: Contacts of Structural Units for 2EAL Likely Quarternary Molecular Structure file(s) for 2EAL Structure Factors (230 Kb) Retrieve 2EAL in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2EAL from S2C, [Save to disk] Re-refined 2eal structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2EAL 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. On AstexViewer, from MSD-EBI (viewer documentation). On RasMol (Install RasMol freeware) Here's help on how to use RasMol.

Visual 3D analysis of 2EAL

Cartoon representation from PDB Cartoon 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 Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 2EAL, from MSDmotif at EBI Fold representative 2eal from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2eal_A] [2eal_B] SWISS-PROT database: [O00182] Domain organization of [LEG9_HUMAN] by SWISSPFAM Domains found in 2EAL: [GLECT] [Gal-bind_lectin ] by SMART Alignments of the sequence of 2EAL with the sequences similar proteins can be viewed for 2EAL's classification [LEG9_HUMAN] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list. A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [LEG9_HUMAN] at ProtoMap. Click on the Cluster number.

Other resources with information on 2EAL

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

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