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(-) Description

Title :  CRYSTAL STRUCTURE OF THE OXIDIZED CG-1B: AN ADHESION/GROWTH-REGULATORY LECTIN FROM CHICKEN
 
Authors :  A. Romero, M. I. F. Lopez-Lucendo, D. Solis, H. -J. Gabius
Date :  17 Jul 08  (Deposition) - 30 Jun 09  (Release) - 30 Jun 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.10
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Carbohydrate-Binding Proteins, Galactosides, Galectin, Acetylation, Lectin, Sugar Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. F. Lopez-Lucendo, D. Solis, J. L. Saiz, H. Kaltner, R. Russwurm, S. Andre, H. -J. Gabius, A. Romero
Homodimeric Chicken Galectin Cg-1B (C-14): Crystal Structure And Detection Of Unique Redox-Dependent Shape Changes Involving Inter- And Intrasubunit Disulfide Bridges By Gel Filtration, Ultracentrifugation, Site-Directed Mutagenesis, And Peptide Mass Fingerprinting
J. Mol. Biol. V. 386 366 2009
PubMed-ID: 18848566  |  Reference-DOI: 10.1016/J.JMB.2008.09.054
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - BETA-GALACTOSIDE-BINDING LECTIN
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PQE60
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Organism Common: BANTAM,CHICKENS
    Organism Scientific: GALLUS GALLUS
    Organism Taxid: 9031
    Synonym: 14 KDA LECTIN, C-14, CG-1B (CG-14)

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric/Biological Unit (1, 2)
No.NameCountTypeFull Name
1BME2Ligand/IonBETA-MERCAPTOETHANOL

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWARECYS A:61 , SER A:107BINDING SITE FOR RESIDUE BME A 200
2AC2SOFTWAREARG A:17 , CYS B:61 , GLN B:73 , GLU B:75 , SER B:107BINDING SITE FOR RESIDUE BME B 200

(-) SS Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1A:7 -B:7

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3DUI)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3DUI)

(-) PROSITE Motifs  (1, 2)

Asymmetric/Biological Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GALECTINPS51304 Galactoside-binding lectin (galectin) domain profile.LEG4_CHICK5-135
 		  2A:4-134
B:4-134

(-) Exons   (0, 0)

(no "Exon" information available for 3DUI)

(-) 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    
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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:132
 aligned with LEG4_CHICK | P07583 from UniProtKB/Swiss-Prot  Length:135

    Alignment length:132
                                    13        23        33        43        53        63        73        83        93       103       113       123       133  
           LEG4_CHICK     4 QGPVCTNLGLKPGQRLTVKGIIAPNAKSFVMNLGKDSTHLGLHFNPRFDAHGDVNLIVCNSKKMEEWGTEQRETVFPFQKGAPIEITFSINPSDLTVHLPGHQFSFPNRLGLSVFDYFDTHGDFTLRSVSWE 135
               SCOP domains d3duia_ A: automated matches                                                                                                         SCOP domains
               CATH domains 3duiA00 A:3-134  [code=2.60.120.200, no name defined]                                                                                CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...eee........eeeeeeee......eeeeeeee..eeeeeeeeeeee..eeeeeeeeeee.......eee.........eeeeeeee...eeeeee..eeeeee.........eeeeee.eeeeeeeee Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE -GALECTIN  PDB: A:4-134 UniProt: 5-135                                                                                               PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 3dui A   3 QGPVCTNLGLKPGQRLTVKGIIAPNAKSFVMNLGKDSTHLGLHFNPRFDAHGDVNLIVCNSKKMEEWGTEQRETVFPFQKGAPIEITFSINPSDLTVHLPGHQFSFPNRLGLSVFDYFDTHGDFTLRSVSWE 134
                                    12        22        32        42        52        62        72        82        92       102       112       122       132  


Chain B from PDB  Type:PROTEIN  Length:132
 aligned with LEG4_CHICK | P07583 from UniProtKB/Swiss-Prot  Length:135

    Alignment length:132
                                    13        23        33        43        53        63        73        83        93       103       113       123       133  
           LEG4_CHICK     4 QGPVCTNLGLKPGQRLTVKGIIAPNAKSFVMNLGKDSTHLGLHFNPRFDAHGDVNLIVCNSKKMEEWGTEQRETVFPFQKGAPIEITFSINPSDLTVHLPGHQFSFPNRLGLSVFDYFDTHGDFTLRSVSWE 135
               SCOP domains d3duib_ B: automated matches                                                                                                         SCOP domains
               CATH domains 3duiB00 B:3-134  [code=2.60.120.200, no name defined]                                                                                CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...eee........eeeeeeee......eeeeeeee..eeeeeeeeeeee..eeeeeeeeeee..ee...eee.........eeeeeeee...eeeeee..eeeeee.........eeeeee.eeeeeeeee Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE -GALECTIN  PDB: B:4-134 UniProt: 5-135                                                                                               PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 3dui B   3 QGPVCTNLGLKPGQRLTVKGIIAPNAKSFVMNLGKDSTHLGLHFNPRFDAHGDVNLIVCNSKKMEEWGTEQRETVFPFQKGAPIEITFSINPSDLTVHLPGHQFSFPNRLGLSVFDYFDTHGDFTLRSVSWE 134
                                    12        22        32        42        52        62        72        82        92       102       112       122       132
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  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 3DUI)

(-) Gene Ontology  (1, 1)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (LEG4_CHICK | P07583)
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.

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 Related Entries

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(-) Related Entries Specified in the PDB File

1qmj A CLOSELY RELATED PROTO-TYPE CHICKEN GALECTIN