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(-) Description

Title :  COMPLEX OF TOAD OVARY GALECTIN WITH THIO-DIGALACTOSE
 
Authors :  L. M. Amzel, M. A. Bianchet, H. Ahmed, G. R. Vasta
Date :  20 Mar 98  (Deposition) - 14 Oct 98  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym./Biol. Unit :  A,B
Keywords :  S-Lectin, Carbohydrate Binding, Complex (Lectin/Saccharide) (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. A. Bianchet, H. Ahmed, G. Vasta, L. M. Amzel
Soluble Beta-Galactosyl-Binding Lectin (Galectin) From Toad Ovary: Crystallographic Studies Of Two Protein-Sugar Complexes
Proteins V. 40 378 2000 (for further references see the PDB file header)

(-) Compounds

Molecule 1 - GALECTIN-1
    Chains: A, B
    Organ: OVARY
    Organism Scientific: BUFO ARENARUM
    Organism Taxid: 38577
    Synonym: S-LECTIN GALECTIN

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 3)

Asymmetric/Biological Unit (2, 3)
No.NameCountTypeFull Name
1DTT1Ligand/Ion2,3-DIHYDROXY-1,4-DITHIOBUTANE
2TDG2Ligand/IonTHIODIGALACTOSIDE

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:45 , ASN A:47 , ARG A:49 , HIS A:53 , ASN A:62 , TRP A:69 , GLU A:72 , ARG A:74 , HOH A:147 , HOH A:153 , ASN B:57 , GLN B:81 , GLN B:82 , HOH B:136BINDING SITE FOR RESIDUE TDG A 135
2AC2SOFTWAREHIS B:45 , ASN B:47 , ARG B:49 , HIS B:53 , ASN B:62 , TRP B:69 , GLU B:72 , ARG B:74 , HOH B:146 , HOH B:148 , HOH B:150BINDING SITE FOR RESIDUE TDG B 135
3AC3SOFTWARECYS A:17 , GLU A:19 , CYS A:89 , THR A:132 , GLU A:134 , HOH A:145BINDING SITE FOR RESIDUE DTT A 136

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1A78)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1A78)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1A78)

(-) PROSITE Motifs  (1, 2)

Asymmetric/Biological Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GALECTINPS51304 Galactoside-binding lectin (galectin) domain profile.LEG1_RHIAE4-134
 		  2A:4-134
B:4-134

(-) Exons   (0, 0)

(no "Exon" information available for 1A78)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain A from PDB  Type:PROTEIN  Length:134
 aligned with LEG1_RHIAE | P56217 from UniProtKB/Swiss-Prot  Length:134

    Alignment length:134
                                    10        20        30        40        50        60        70        80        90       100       110       120       130    
           LEG1_RHIAE     1 ASAGVAVTNLNLKPGHCVEIKGSIPPDCKGFAVNLGEDASNFLLHFNARFDLHGDVNKIVCNSKEADAWGSEQREEVFPFQQGAEVMVCFEYQTQKIIIKFSSGDQFSFPVRKVLPSIPFLSLEGLAFKSITTE 134
               SCOP domains d1a78a_ A: Galectin-1                                                                                                                  SCOP domains
               CATH domains 1a78A00 A:1-134  [code=2.60.120.200, no name defined]                                                                                  CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eee.......eeeeeeee......eeeeeee.....eeeeeeee........eeeee..........eee.........eeeeeeee...eeeeee....eeeee.........eeeee..eeeeeee. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---GALECTIN  PDB: A:4-134 UniProt: 4-134                                                                                               PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1a78 A   1 ASAGVAVTNLNLKPGHCVEIKGSIPPDCKGFAVNLGEDASNFLLHFNARFDLHGDVNKIVCNSKEADAWGSEQREEVFPFQQGAEVMVCFEYQTQKIIIKFSSGDQFSFPVRKVLPSIPFLSLEGLAFKSITTE 134
                                    10        20        30        40        50        60        70        80        90       100       110       120       130    


Chain B from PDB  Type:PROTEIN  Length:134
 aligned with LEG1_RHIAE | P56217 from UniProtKB/Swiss-Prot  Length:134

    Alignment length:134
                                    10        20        30        40        50        60        70        80        90       100       110       120       130    
           LEG1_RHIAE     1 ASAGVAVTNLNLKPGHCVEIKGSIPPDCKGFAVNLGEDASNFLLHFNARFDLHGDVNKIVCNSKEADAWGSEQREEVFPFQQGAEVMVCFEYQTQKIIIKFSSGDQFSFPVRKVLPSIPFLSLEGLAFKSITTE 134
               SCOP domains d1a78b_ B: Galectin-1                                                                                                                  SCOP domains
               CATH domains 1a78B00 B:1-134  [code=2.60.120.200, no name defined]                                                                                  CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eee.......eeeeeeeee.....eeeeeee.....eeeeeeee........eeeee..........eee.........eeeeeeee...eeeeee....eeeee.........eeeee.eeeeeeeee Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---GALECTIN  PDB: B:4-134 UniProt: 4-134                                                                                               PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1a78 B   1 ASAGVAVTNLNLKPGHCVEIKGSIPPDCKGFAVNLGEDASNFLLHFNARFDLHGDVNKIVCNSKEADAWGSEQREEVFPFQQGAEVMVCFEYQTQKIIIKFSSGDQFSFPVRKVLPSIPFLSLEGLAFKSITTE 134
                                    10        20        30        40        50        60        70        80        90       100       110       120       130
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1A78)

(-) Gene Ontology  (3, 3)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (LEG1_RHIAE | P56217)
molecular function
    GO:0030246    carbohydrate binding    Interacting selectively and non-covalently with any carbohydrate, which includes monosaccharides, oligosaccharides and polysaccharides as well as substances derived from monosaccharides by reduction of the carbonyl group (alditols), by oxidation of one or more hydroxy groups to afford the corresponding aldehydes, ketones, or carboxylic acids, or by replacement of one or more hydroxy group(s) by a hydrogen atom. Cyclitols are generally not regarded as carbohydrates.
cellular component
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
    GO:0005578    proteinaceous extracellular matrix    A layer consisting mainly of proteins (especially collagen) and glycosaminoglycans (mostly as proteoglycans) that forms a sheet underlying or overlying cells such as endothelial and epithelial cells. The proteins are secreted by cells in the vicinity. An example of this component is found in Mus musculus.

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  1a78
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 Related Entries

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        LEG1_RHIAE | P56217: 1gan

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