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(-) Description

Title :  LECTIN UEA-II COMPLEXED WITH CHITOBIOSE
 
Authors :  R. Loris, H. De Greve, M. -H. Dao-Thi, J. Messens, A. Imberty, L. Wyns
Date :  16 Nov 99  (Deposition) - 07 Feb 00  (Release) - 21 Jul 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.95
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A,B  (2x)
Keywords :  Lectin, Carbohydrate Binding, N-Acetylglucosamine (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  R. Loris, H. De Greve, M. -H. Dao-Thi, J. Messens, A. Imberty, L. Wyns
Structural Basis Of Carbohydrate Recognition By Lectin Ii From Ulex Europaeus, A Protein With A Promiscuous Carbohydrate Binding Site
J. Mol. Biol. V. 301 987 2000
PubMed-ID: 10966800  |  Reference-DOI: 10.1006/JMBI.2000.4016
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CHITIN BINDING LECTIN, UEA-II
    Chains: A, B
    Organ: SEED
    Organism Common: FURZE
    Organism Scientific: ULEX EUROPAEUS
    Organism Taxid: 3902

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (2x): AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 9)

Asymmetric Unit (3, 9)
No.NameCountTypeFull Name
1CA2Ligand/IonCALCIUM ION
2MN2Ligand/IonMANGANESE (II) ION
3NAG5Ligand/IonN-ACETYL-D-GLUCOSAMINE
Biological Unit 1 (1, 10)
No.NameCountTypeFull Name
1CA-1Ligand/IonCALCIUM ION
2MN-1Ligand/IonMANGANESE (II) ION
3NAG10Ligand/IonN-ACETYL-D-GLUCOSAMINE

(-) Sites  (9, 9)

Asymmetric Unit (9, 9)
No.NameEvidenceResiduesDescription
1AC1SOFTWARESER A:101 , SER A:112 , SER A:114BINDING SITE FOR RESIDUE NAG A 401
2AC2SOFTWAREVAL A:85 , ASP A:86 , SER A:103 , SER A:104 , GLY A:106 , TYR A:130 , ASN A:136 , GLY A:219 , NAG A:502BINDING SITE FOR RESIDUE NAG A 501
3AC3SOFTWARETYR A:135 , GLY A:219 , ASN A:220 , NAG A:501BINDING SITE FOR RESIDUE NAG A 502
4AC4SOFTWAREVAL B:85 , ASP B:86 , SER B:104 , GLY B:106 , TYR B:130 , ASN B:136 , GLY B:219 , NAG B:502BINDING SITE FOR RESIDUE NAG B 501
5AC5SOFTWAREILE A:155 , SER A:199 , ILE A:205 , TYR B:135 , GLY B:219 , ASN B:220 , NAG B:501BINDING SITE FOR RESIDUE NAG B 502
6AC6SOFTWAREGLU A:126 , ASP A:128 , ASP A:139 , HIS A:144BINDING SITE FOR RESIDUE MN A 301
7AC7SOFTWAREASP A:128 , TYR A:130 , ASN A:136 , ASP A:139BINDING SITE FOR RESIDUE CA A 302
8AC8SOFTWAREGLU B:126 , ASP B:128 , ASP B:139 , HIS B:144BINDING SITE FOR RESIDUE MN B 301
9AC9SOFTWAREASP B:128 , TYR B:130 , ASN B:136 , ASP B:139BINDING SITE FOR RESIDUE CA B 302

(-) SS Bonds  (1, 1)

Asymmetric Unit
No.Residues
1A:184 -B:184

(-) Cis Peptide Bonds  (4, 4)

Asymmetric Unit
No.Residues
1Lys A:41 -Pro A:42
2Val A:85 -Asp A:86
3Lys B:41 -Pro B:42
4Val B:85 -Asp B:86

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 1QOS)

(-) 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    
   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:237
 aligned with Q9FVF8_ULEEU | Q9FVF8 from UniProtKB/TrEMBL  Length:258

    Alignment length:237
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       
         Q9FVF8_ULEEU     3 SDDLSFNFDKFVPNQKNIIFQGAASVSTTGVLQVTKVSKPTTTSIGRALYAAPIQIWDSTTGKVASFATSFSFVVKADKSDGVDGLAFFLAPANSQIPSGSSASMFGLFNSSDSKSSNQIIAVEFDTYFGKAYNPWDPDFKHIGIDVNSIKSIKTVKWDWRNGEVADVVITYRAPTKSLTVCLSYPSDETSNIITASVDLKAILPEWVSVGFSGGVGNAAEFETHDILSWYFTSNLE 239
               SCOP domains d1qosa_ A: Legume lectin                                                                                                                                                                                                                      SCOP domains
               CATH domains 1qosA00 A:3-239  [code=2.60.120.200, no name defined]                                                                                                                                                                                         CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeee.........eeeee.....................eeeeeee...............eeeeeeeee..........eeeeeeee.........hhhhh..............eeeeee...............eeeeee......eeee.......eeeeeeeeehhh.eeeeeeee.....eeeeeee.hhhhh....eeeeeeeee.hhhhh...eeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1qos A   3 SDDLSFNFDKFVPNQKNIIFQGDASVSTTGVLQVTKVSKPTTTSIGRALYAAPIQIWDSITGKVASFATSFSFVVKADKSDGVDGLAFFLAPANSQIPSGSSAGMFGLFSSSDSKSSNQIIAVEFDTYFGKAYNPWDPDFKHIGIDVNSIKSIKTVKWDWRNGEVADVVITYRAPTKSLTVCLSYPSDGTSNIITASVDLKAILPEWVSVGFSGGVGNAAEFETHDVLSWYFTSNLE 239
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       


Chain B from PDB  Type:PROTEIN  Length:237
 aligned with Q9FVF8_ULEEU | Q9FVF8 from UniProtKB/TrEMBL  Length:258

    Alignment length:237
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       
         Q9FVF8_ULEEU     3 SDDLSFNFDKFVPNQKNIIFQGAASVSTTGVLQVTKVSKPTTTSIGRALYAAPIQIWDSTTGKVASFATSFSFVVKADKSDGVDGLAFFLAPANSQIPSGSSASMFGLFNSSDSKSSNQIIAVEFDTYFGKAYNPWDPDFKHIGIDVNSIKSIKTVKWDWRNGEVADVVITYRAPTKSLTVCLSYPSDETSNIITASVDLKAILPEWVSVGFSGGVGNAAEFETHDILSWYFTSNLE 239
               SCOP domains d1qosb_ B: Legume lectin                                                                                                                                                                                                                      SCOP domains
               CATH domains 1qosB00 B:3-239  [code=2.60.120.200, no name defined]                                                                                                                                                                                         CATH domains
           Pfam domains (1) -Lectin_legB-1qosB01 B:4-235                                                                                                                                                                                                             ---- Pfam domains (1)
           Pfam domains (2) -Lectin_legB-1qosB02 B:4-235                                                                                                                                                                                                             ---- Pfam domains (2)
         Sec.struct. author ...eeeee.........eeeee.....................eeeeeee...............eeeeeeeee..........eeeeeeee.........hhhhh..............eeeeee...............eeeeee......eeee.......eeeeeeeeehhh.eeeeeeee.....eeeeeee.hhhhh....eeeeeeeee.hhhhh...eeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1qos B   3 SDDLSFNFDKFVPNQKNIIFQGDASVSTTGVLQVTKVSKPTTTSIGRALYAAPIQIWDSITGKVASFATSFSFVVKADKSDGVDGLAFFLAPANSQIPSGSSAGMFGLFSSSDSKSSNQIIAVEFDTYFGKAYNPWDPDFKHIGIDVNSIKSIKTVKWDWRNGEVADVVITYRAPTKSLTVCLSYPSDGTSNIITASVDLKAILPEWVSVGFSGGVGNAAEFETHDVLSWYFTSNLE 239
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232
   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 Unit
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (1, 2)

Asymmetric Unit
(-)
Clan: Concanavalin (293)

(-) Gene Ontology  (2, 2)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (Q9FVF8_ULEEU | Q9FVF8)
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.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.

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 Related Entries

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

UniProtKB/TrEMBL
        Q9FVF8_ULEEU | Q9FVF8: 1dzq 1qoo 1qot

(-) Related Entries Specified in the PDB File

1qnw LECTIN II FROM ULEX EUROPAEUS
1qoo LECTIN UEA-II COMPLEXED WITH NAG
1qot LECTIN UEA-II COMPLEXED WITH FUCOSYLLACTOSE AND FUCOSYLGALACTOSELECTIN