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(-) Description

Title :  ERYTHRINA CRYSTAGALLI LECTIN
 
Authors :  K. Turton, R. Natesh, N. Thiyagarajan, J. A. Chaddock, K. R. Acharya
Date :  19 Mar 04  (Deposition) - 22 Jun 04  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Lectin, Carbohydrate Binding (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  K. Turton, R. Natesh, N. Thiyagarajan, J. A. Chaddock, K. R. Acharya
Crystal Structures Of Erythrina Cristagalli Lectin With Bound N-Linked Oligosaccharide And Lactose
Glycobiology V. 14 923 2004
PubMed-ID: 15201215  |  Reference-DOI: 10.1093/GLYCOB/CWH114

(-) Compounds

Molecule 1 - LECTIN (ECL)
    Chains: A, B
    Organism Common: COCKSPUR CORAL TREE
    Organism Scientific: ERYTHRINA CRISTA-GALLI
    Organism Taxid: 49817
    Other Details: CONSERVED CIS-PEPTIDE BOND (ALA88-ASP89), N-LINKED OLIGOSACCHARIDE COVALENTLY BOUND TO ASN113
    Other Details - Source: NATIVE PROTEIN

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (11, 21)

Asymmetric/Biological Unit (11, 21)
No.NameCountTypeFull Name
1BGC2Ligand/IonBETA-D-GLUCOSE
2BMA1Ligand/IonBETA-D-MANNOSE
3CA2Ligand/IonCALCIUM ION
4EPE4Ligand/Ion4-(2-HYDROXYETHYL)-1-PIPERAZINEETHANESULFONIC ACID
5FUC1Ligand/IonALPHA-L-FUCOSE
6FUL1Ligand/IonBETA-L-FUCOSE
7GAL2Ligand/IonBETA-D-GALACTOSE
8MAN1Ligand/IonALPHA-D-MANNOSE
9MN2Ligand/IonMANGANESE (II) ION
10NAG4Ligand/IonN-ACETYL-D-GLUCOSAMINE
11XYP1Ligand/IonBETA-D-XYLOPYRANOSE

(-) Sites  (21, 21)

Asymmetric Unit (21, 21)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREASN A:113 , SER A:120 , TYR A:121 , FUC A:1243 , NAG A:1244 , HOH A:2117BINDING SITE FOR RESIDUE NAG A1242
02AC2SOFTWARENAG A:1242 , NAG A:1244BINDING SITE FOR RESIDUE FUC A1243
03AC3SOFTWARENAG A:1242 , FUC A:1243BINDING SITE FOR RESIDUE NAG A1244
04AC4SOFTWAREASP A:89 , TYR A:106 , GLY A:107 , PHE A:131 , ASN A:133 , GLY A:217 , ALA A:218 , GLN A:219 , ALA A:222 , BGC A:1246 , HOH A:2106 , HOH A:2211 , HOH A:2213 , HOH A:2214 , HOH A:2215BINDING SITE FOR RESIDUE GAL A1245
05AC5SOFTWAREALA A:218 , GLN A:219 , EPE A:1241 , GAL A:1245 , HOH A:2191 , HOH A:2216 , HOH A:2217 , HOH A:2219BINDING SITE FOR RESIDUE BGC A1246
06AC6SOFTWAREASN B:113 , TYR B:121 , FUL B:1242 , NAG B:1243 , HOH B:2217 , HOH B:2219BINDING SITE FOR RESIDUE NAG B1241
07AC7SOFTWARENAG B:1241 , NAG B:1243 , HOH B:2220 , HOH B:2221 , HOH B:2222 , HOH B:2223BINDING SITE FOR RESIDUE FUL B1242
08AC8SOFTWARENAG B:1241 , FUL B:1242 , BMA B:1244 , XYP B:1245 , HOH B:2223 , HOH B:2224 , HOH B:2226BINDING SITE FOR RESIDUE NAG B1243
09AC9SOFTWARENAG B:1243 , XYP B:1245 , MAN B:1246 , HOH B:2225 , HOH B:2226 , HOH B:2227BINDING SITE FOR RESIDUE BMA B1244
10BC1SOFTWARENAG B:1243 , BMA B:1244 , MAN B:1246 , HOH B:2226 , HOH B:2227BINDING SITE FOR RESIDUE XYP B1245
11BC2SOFTWAREPRO B:138 , GLN B:139 , VAL B:140 , BMA B:1244 , XYP B:1245 , HOH B:2229 , HOH B:2231BINDING SITE FOR RESIDUE MAN B1246
12BC3SOFTWAREEPE A:1240 , ASP B:89 , GLY B:107 , PHE B:131 , ASN B:133 , GLY B:217 , ALA B:218 , GLN B:219 , ALA B:222 , BGC B:1248 , HOH B:2107 , HOH B:2124 , HOH B:2146 , HOH B:2232BINDING SITE FOR RESIDUE GAL B1247
13BC4SOFTWARELYS A:36 , ASN A:38 , ASN A:40 , EPE A:1240 , HOH A:2049 , ALA B:218 , GLN B:219 , GAL B:1247 , HOH B:2233 , HOH B:2234BINDING SITE FOR RESIDUE BGC B1248
14BC5SOFTWAREASP A:129 , PHE A:131 , ASN A:133 , ASP A:136 , HOH A:2094 , HOH A:2105BINDING SITE FOR RESIDUE CA A1247
15BC6SOFTWAREGLU A:127 , ASP A:129 , ASP A:136 , HIS A:142 , HOH A:2220 , HOH A:2221BINDING SITE FOR RESIDUE MN A1248
16BC7SOFTWAREASP B:129 , PHE B:131 , ASN B:133 , ASP B:136 , HOH B:2110 , HOH B:2123BINDING SITE FOR RESIDUE CA B1249
17BC8SOFTWAREGLU B:127 , ASP B:129 , ASP B:136 , HIS B:142 , HOH B:2235 , HOH B:2236BINDING SITE FOR RESIDUE MN B1250
18BC9SOFTWARETRP A:45 , ARG A:220 , HOH A:2209 , TYR B:106 , ALA B:218 , EPE B:1240 , GAL B:1247 , BGC B:1248 , HOH B:2061 , HOH B:2125BINDING SITE FOR RESIDUE EPE A1240
19CC1SOFTWARETRP A:135 , BGC A:1246 , HOH A:2210 , HOH A:2211 , HOH A:2219 , GLN B:80 , TYR B:82 , ASN B:162 , HOH B:2096BINDING SITE FOR RESIDUE EPE A1241
20CC2SOFTWAREPRO A:134 , ASP A:136 , PRO A:138 , GLU B:79 , GLY B:163 , GLN B:164 , VAL B:165 , TYR B:229 , HOH B:2171 , HOH B:2213 , HOH B:2215 , HOH B:2216BINDING SITE FOR RESIDUE EPE B1239
21CC3SOFTWAREEPE A:1240 , ASN B:38 , ALA B:44 , TRP B:45 , ASP B:46BINDING SITE FOR RESIDUE EPE B1240

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (6, 6)

Asymmetric/Biological Unit
No.Residues
1Arg A:84 -Pro A:85
2Ala A:88 -Asp A:89
3Val A:140 -Pro A:141
4Arg B:84 -Pro B:85
5Ala B:88 -Asp B:89
6Val B:140 -Pro B:141

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 1UZY)

(-) 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 Q6YD91_ERYCG | Q6YD91 from UniProtKB/TrEMBL  Length:242

    Alignment length:239
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231         
         Q6YD91_ERYCG     2 ETISFSFSEFEPGNNDLTLQGAAIITQSGVLQLTKINQNGMPAWDSTGRTLYTKPVHIWDMTTGTVASFETRFSFSIEQPYTRPLPADGLVFFMGPTKSKPAQGYGYLGVFNNSKQDNSYQTLAVEFDTFSNPWDPPQVPHIGIDVNSIRSIKTQPFQLDNGQVANVVIKYDASSKILLAVLVYPSSGAIYTIAEIVDVKQVLPEWVDVGLSGATGAQRDAAETHDVYSWSFHASLPET 240
               SCOP domains d1uzya_ A: Legume lectin                                                                                                                                                                                                                        SCOP domains
               CATH domains 1uzyA00 A:2-240  [code=2.60.120.200, no name defined]                                                                                                                                                                                           CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee.........eeeee..ee.....ee..............eeeeee...ee..........eeeeeeeee...........eeeeeeee........hhhhh........hhhhh.eeeeee............eeeeee......eeee.......eeeeeeeee....eeeeeee......eeeeeee.hhhhh...eeeeeeeeee..........eeeeeeeeee.... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1uzy A   2 ETISFSFSEFEPGNNDLTLQGAAIITQSGVLQLTKINQNGMPAWDSTGRTLYTKPVHIWDMTTGTVASFETRFSFSIEQPYTRPLPADGLVFFMGPTKSKPAQGYGYLGVFNNSKQDNSYQTLAVEFDTFSNPWDPPQVPHIGIDVNSIRSIKTQPFQLDNGQVANVVIKYDASSKILLAVLVYPSSGAIYTIAEIVDVKQVLPEWVDVGLSGATGAQRDAAETHDVYSWSFHASLPET 240
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231         


Chain B from PDB  Type:PROTEIN  Length:239
 aligned with Q6YD91_ERYCG | Q6YD91 from UniProtKB/TrEMBL  Length:242

    Alignment length:239
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230         
         Q6YD91_ERYCG     1 VETISFSFSEFEPGNNDLTLQGAAIITQSGVLQLTKINQNGMPAWDSTGRTLYTKPVHIWDMTTGTVASFETRFSFSIEQPYTRPLPADGLVFFMGPTKSKPAQGYGYLGVFNNSKQDNSYQTLAVEFDTFSNPWDPPQVPHIGIDVNSIRSIKTQPFQLDNGQVANVVIKYDASSKILLAVLVYPSSGAIYTIAEIVDVKQVLPEWVDVGLSGATGAQRDAAETHDVYSWSFHASLPE 239
               SCOP domains d1uzyb_ B: Legume lectin                                                                                                                                                                                                                        SCOP domains
               CATH domains 1uzyB00 B:1-239  [code=2.60.120.200, no name defined]                                                                                                                                                                                           CATH domains
           Pfam domains (1) -Lectin_legB-1uzyB01 B:2-234                                                                                                                                                                                                              ----- Pfam domains (1)
           Pfam domains (2) -Lectin_legB-1uzyB02 B:2-234                                                                                                                                                                                                              ----- Pfam domains (2)
         Sec.struct. author .eeeeeee.........eeeee..ee.....ee..............eeeeee...ee.ee....ee.eeeeeeeee...........eeeeeeee........hhhhh........hhhhh.eeeeee............eeeeee......eeee.......eeeeeeeee....eeeeeee......eeeeeee.hhhhh...eeeeeeeeee..........eeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1uzy B   1 VETISFSFSEFEPGNNDLTLQGAAIITQSGVLQLTKINQNGMPAWDSTGRTLYTKPVHIWDMTTGTVASFETRFSFSIEQPYTRPLPADGLVFFMGPTKSKPAQGYGYLGVFNNSKQDNSYQTLAVEFDTFSNPWDPPQVPHIGIDVNSIRSIKTQPFQLDNGQVANVVIKYDASSKILLAVLVYPSSGAIYTIAEIVDVKQVLPEWVDVGLSGATGAQRDAAETHDVYSWSFHASLPE 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  (1, 2)

Asymmetric/Biological Unit
(-)
Clan: Concanavalin (293)

(-) Gene Ontology  (2, 2)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (Q6YD91_ERYCG | Q6YD91)
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
        Q6YD91_ERYCG | Q6YD91: 1uzz 1v00

(-) Related Entries Specified in the PDB File

1gz9 HIGH-RESOLUTION CRYSTAL STRUCTURE OF ERYTHRINA CRISTAGALLI LECTIN IN COMPLEX WITH 2'- ALPHA-L-AFLOSYLLACTOSE
1uzz ERYTHRINA CRISTAGALLI BOUND TO N-LINKED OLIGOSACCHARIDE AND LACTOSE
1v00 ERYTHRINA CRISTAGALLI LECTIN