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(-) Description

Title :  STRUCTURE OF HELIX POMATIA AGGLUTININ WITH ZINC AND N-ACETYL-ALPHA-D-GALACTOSEAMINE (GALNAC)
 
Authors :  J. -F. Sanchez, J. Lescar, V. Chazalet, A. Audfray, C. Gautier, J. Gagnon, C. Breton, A. Imberty, E. P. Mitchell
Date :  18 Jan 06  (Deposition) - 15 May 06  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.30
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (6x)
Keywords :  Lectin, Snail, Helix Pomatia (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  J. -F. Sanchez, J. Lescar, V. Chazalet, A. Audfray, J. Gagnon, R. Alvarez, C. Breton, A. Imberty, E. P. Mitchell
Biochemical And Structural Analysis Of Helix Pomatia Agglutinin. A Hexameric Lectin With A Novel Fold.
J. Biol. Chem. V. 281 20171 2006
PubMed-ID: 16704980  |  Reference-DOI: 10.1074/JBC.M603452200

(-) Compounds

Molecule 1 - HELIX POMATIA AGGLUTININ
    Chains: A
    Organ: ALBUMIN GLAND
    Organism Common: ROMAN SNAIL
    Organism Scientific: HELIX POMATIA
    Organism Taxid: 6536
    Other Details: GLYCOLYSIS SITE AT N34 WITH GLUCOSEAMINE BOUND

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit : A
Biological Unit 1 (6x): A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (5, 5)

Asymmetric Unit (5, 5)
No.NameCountTypeFull Name
1A2G1Ligand/IonN-ACETYL-2-DEOXY-2-AMINO-GALACTOSE
2ACT1Ligand/IonACETATE ION
3GOL1Ligand/IonGLYCEROL
4NAG1Ligand/IonN-ACETYL-D-GLUCOSAMINE
5ZN1Ligand/IonZINC ION
Biological Unit 1 (4, 24)
No.NameCountTypeFull Name
1A2G6Ligand/IonN-ACETYL-2-DEOXY-2-AMINO-GALACTOSE
2ACT6Ligand/IonACETATE ION
3GOL6Ligand/IonGLYCEROL
4NAG6Ligand/IonN-ACETYL-D-GLUCOSAMINE
5ZN-1Ligand/IonZINC ION

(-) Sites  (5, 5)

Asymmetric Unit (5, 5)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLY A:24 , ARG A:25 , ASP A:26 , ASP A:55 , ASN A:61 , ARG A:63 , TRP A:83 , HIS A:84 , TYR A:89 , GOL A:1102 , ACT A:1103 , HOH A:2098BINDING SITE FOR RESIDUE A2G A1101
2AC2SOFTWAREASN A:34 , SER A:70BINDING SITE FOR RESIDUE NAG A1104
3AC3SOFTWAREHIS A:84 , ACT A:1103BINDING SITE FOR RESIDUE ZN A1100
4AC4SOFTWAREARG A:63 , HIS A:84 , ZN A:1100 , A2G A:1101 , GOL A:1102 , HOH A:2069 , HOH A:2093 , HOH A:2099BINDING SITE FOR RESIDUE ACT A1103
5AC5SOFTWAREASP A:26 , GLN A:58 , GLN A:60 , ASN A:61 , ARG A:63 , HIS A:84 , ASN A:85 , A2G A:1101 , ACT A:1103BINDING SITE FOR RESIDUE GOL A1102

(-) SS Bonds  (1, 1)

Asymmetric Unit
No.Residues
1A:9 -A:80

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2CCV)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

(no "Exon" information available for 2CCV)

(-) Sequences/Alignments

Asymmetric 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:99
 aligned with Q2F1K8_HELPO | Q2F1K8 from UniProtKB/TrEMBL  Length:121

    Alignment length:99
                                    30        40        50        60        70        80        90       100       110         
         Q2F1K8_HELPO    21 RVQSGKIDCGNDAGWAKVPSDDPGRDNTRELAKNITFASPYCRPPVVLLSITQLDVEQSQNLRVIARLYSVSPTGFKASCYTWHNTKVYSMSISWISIE 119
               SCOP domains d2ccva1 A:1-99 Agglutinin HPA                                                                       SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------- Pfam domains
     Sec.struct. author (1) .eeeeeeee.hhhhhh--.........eeeeeeeeee........eeeeeeeeeeee......eeeeeeeee..eeeeeeeee....eeeeeeeeeeee Sec.struct. author (1)
     Sec.struct. author (2) ---------------eee--------------------------------------------------------------------------------- Sec.struct. author (2)
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------- Transcript
                 2ccv A   1 RVQSGKIDCGDDAGWAKVPSDDPGRDNTRELAKNITFASPYCRPPVVLLSITQLDVEQSQNLRVIARLYSVSPSGFKASCYTWHNTKVYSMSISWISIE  99
                                    10        20        30        40        50        60        70        80        90
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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, 1)

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

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2CCV)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2CCV)

(-) Gene Ontology  (2, 2)

Asymmetric Unit(hide GO term definitions)
Chain A   (Q2F1K8_HELPO | Q2F1K8)
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.
biological process
    GO:0007155    cell adhesion    The attachment of a cell, either to another cell or to an underlying substrate such as the extracellular matrix, via cell adhesion molecules.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

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        Q2F1K8_HELPO | Q2F1K8: 2ce6 2cgy 2cgz

(-) Related Entries Specified in the PDB File

2ce6 STRUCTURE OF HELIX POMATIA AGGLUTININ WITH NO LIGANDS