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(-) Description

Title :  MAACKIA AMURENSIS LEUKOAGGLUTININ (LECTIN) WITH SIALYLLACTOSE
 
Authors :  A. Imberty, C. Gautier, J. Lescar, R. Loris
Date :  03 Nov 99  (Deposition) - 14 Jun 00  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.75
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Plant Lectin, Carbohydrate Binding, Sialyllactose, Sugar Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. Imberty, C. Gautier, J. Lescar, S. Perez, L. Wyns, R. Loris
An Unusual Carbohydrate Binding Site Revealed By The Structures Of Two Maackia Amurensis Lectins Complexed With Sialic Acid-Containing Oligosaccharides.
J. Biol. Chem. V. 275 17541 2000
PubMed-ID: 10747930  |  Reference-DOI: 10.1074/JBC.M000560200
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - PROTEIN (LEUKOAGGLUTININ)
    Chains: A, B
    Organism Scientific: MAACKIA AMURENSIS
    Organism Taxid: 37501
    Other Details: CO-CRYSTALS WITH SIALYLLACTOSE
    Other Details - Source: SEEDS
    Synonym: MAL

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (6, 15)

Asymmetric/Biological Unit (6, 15)
No.NameCountTypeFull Name
1BGC2Ligand/IonBETA-D-GLUCOSE
2CA2Ligand/IonCALCIUM ION
3GAL2Ligand/IonBETA-D-GALACTOSE
4MN2Ligand/IonMANGANESE (II) ION
5NAG5Ligand/IonN-ACETYL-D-GLUCOSAMINE
6SIA2Ligand/IonO-SIALIC ACID

(-) Sites  (15, 15)

Asymmetric Unit (15, 15)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREASN A:61 , BGC A:824BINDING SITE FOR RESIDUE NAG A 801
02AC2SOFTWARESER A:102 , ASN A:113BINDING SITE FOR RESIDUE NAG A 811
03AC3SOFTWAREASN A:179 , VAL B:168 , PRO B:189BINDING SITE FOR RESIDUE NAG A 821
04AC4SOFTWARESER B:102 , ASN B:113BINDING SITE FOR RESIDUE NAG B 911
05AC5SOFTWAREVAL A:168 , PRO A:189 , PRO B:178 , ASN B:179BINDING SITE FOR RESIDUE NAG B 921
06AC6SOFTWARETYR A:45 , SER A:104 , SER A:106 , LYS A:107 , GAL A:823BINDING SITE FOR RESIDUE SIA A 822
07AC7SOFTWARETYR A:45 , ASP A:87 , LYS A:107 , TYR A:131 , TYR A:136 , ASP A:137 , SIA A:822 , BGC A:824 , HOH A:839BINDING SITE FOR RESIDUE GAL A 823
08AC8SOFTWAREASN A:61 , TYR A:131 , TYR A:136 , TYR A:221 , GLU A:224 , NAG A:801 , GAL A:823 , HOH A:839BINDING SITE FOR RESIDUE BGC A 824
09AC9SOFTWARESER B:104 , SER B:106 , LYS B:107 , GAL B:923BINDING SITE FOR RESIDUE SIA B 922
10BC1SOFTWARETYR B:45 , ASP B:87 , SER B:106 , LYS B:107 , TYR B:131 , TYR B:136 , ASP B:137 , SIA B:922 , BGC B:924 , HOH B:935BINDING SITE FOR RESIDUE GAL B 923
11BC2SOFTWARETYR B:131 , TYR B:136 , TYR B:221 , GLU B:224 , GAL B:923 , HOH B:935BINDING SITE FOR RESIDUE BGC B 924
12BC3SOFTWAREASP A:129 , TYR A:131 , ASP A:137 , ASP A:140 , HOH A:827 , HOH A:828BINDING SITE FOR RESIDUE CA A 301
13BC4SOFTWAREGLU A:127 , ASP A:129 , ASP A:140 , HIS A:145 , HOH A:825 , HOH A:826BINDING SITE FOR RESIDUE MN A 302
14BC5SOFTWAREASP B:129 , TYR B:131 , ASP B:137 , ASP B:140 , HOH B:927 , HOH B:928BINDING SITE FOR RESIDUE CA B 303
15BC6SOFTWAREGLU B:127 , ASP B:129 , ASP B:140 , HIS B:145 , HOH B:925 , HOH B:926BINDING SITE FOR RESIDUE MN B 304

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Ser A:86 -Asp A:87
2Ser B:86 -Asp B:87

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1DBN)

(-) Exons   (0, 0)

(no "Exon" information available for 1DBN)

(-) 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:239
 aligned with MALS_MAAAM | P0DKL3 from UniProtKB/Swiss-Prot  Length:287

    Alignment length:239
                                    39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229       239       249       259         
           MALS_MAAAM    30 SDELSFTINNFVPNEADLLFQGEASVSSTGVLQLTRVENGQPQKYSVGRALYAAPVRIWDNTTGSVASFSTSFTFVVKAPNPDITSDGLAFYLAPPDSQIPSGSVSKYLGLFNNSNSDSSNQIVAVELDTYFAHSYDPWDPNYRHIGIDVNGIESIKTVQWDWINGGVAFATITYLAPNKTLIASLVYPSNQTTFSVAASVDLKEILPEWVRVGFSAATGYPTEVETHDVLSWSFTSTL 268
               SCOP domains d1dbna_ A: Legume lectin                                                                                                                                                                                                                        SCOP domains
               CATH domains 1dbnA00 A:1-239  [code=2.60.120.200, no name defined]                                                                                                                                                                                           CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeee.........eeeee..ee.....ee...ee..ee....eeeeee...ee..........eeeeeeeee..........eeeeeeee..........hhhhh..............eeeeee...............eeeeee......eeee........eeeeeeeehhh.eeeeeee......eeeeeee.hhhhhh..eeeeeeeeee.hhhhh...eeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1dbn A   1 SDELSFTINNFVPNEADLLFQGEASVSSTGVLQLTKVENGQPQKYSVGRALYAAPVRIWGNTTGSVASFSTSFTFVVKAPNPDITSDGLAFYLAPPDSQIPSGSVSKYLGLFNNSNSDSSNQIVAVEFDTYFAHSYDPWDPNYRHIGIDVNGIESIKTVQWDWINGGVAFATITYLAPNKTLIASLVYPSNQTTFSVAASVDLKEILPEWVRVGFSAATGYPTEVETHDVLSWSFTSTL 239
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230         


Chain B from PDB  Type:PROTEIN  Length:239
 aligned with MALS_MAAAM | P0DKL3 from UniProtKB/Swiss-Prot  Length:287

    Alignment length:239
                                    39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229       239       249       259         
           MALS_MAAAM    30 SDELSFTINNFVPNEADLLFQGEASVSSTGVLQLTRVENGQPQKYSVGRALYAAPVRIWDNTTGSVASFSTSFTFVVKAPNPDITSDGLAFYLAPPDSQIPSGSVSKYLGLFNNSNSDSSNQIVAVELDTYFAHSYDPWDPNYRHIGIDVNGIESIKTVQWDWINGGVAFATITYLAPNKTLIASLVYPSNQTTFSVAASVDLKEILPEWVRVGFSAATGYPTEVETHDVLSWSFTSTL 268
               SCOP domains d1dbnb_ B: Legume lectin                                                                                                                                                                                                                        SCOP domains
               CATH domains 1dbnB00 B:1-239  [code=2.60.120.200, no name defined]                                                                                                                                                                                           CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeee.........eeeee..ee.....ee...ee..ee....eeeeee...ee..........eeeeeeeee..........eeeeeeee..........hhhhh..............eeeeee...............eeeeee......eeee........eeeeeeeehhh.eeeeeee......eeeeeee.hhhhhh..eeeeeeeeee.hhhhh...eeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1dbn B   1 SDELSFTINNFVPNEADLLFQGEASVSSTGVLQLTKVENGQPQKYSVGRALYAAPVRIWGNTTGSVASFSTSFTFVVKAPNPDITSDGLAFYLAPPDSQIPSGSVSKYLGLFNNSNSDSSNQIVAVEFDTYFAHSYDPWDPNYRHIGIDVNGIESIKTVQWDWINGGVAFATITYLAPNKTLIASLVYPSNQTTFSVAASVDLKEILPEWVRVGFSAATGYPTEVETHDVLSWSFTSTL 239
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230
   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 1DBN)

(-) Gene Ontology  (2, 2)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (MALS_MAAAM | P0DKL3)

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