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(-) Description

Title :  CRYSTAL STRUCTURE OF SNAKE GOURD (TRICHOSANTHES ANGUINA) SEED LECTIN, A THREE CHAIN HOMOLOGUE OF TYPE II RIPS
 
Authors :  A. Sharma, G. Pohlentz, K. B. Bobbili, A. A. Jeyaprakash, T. Chandran, M M. J. Swamy, M. Vijayan
Date :  26 Oct 12  (Deposition) - 07 Aug 13  (Release) - 07 Aug 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.25
Chains :  Asym./Biol. Unit :  A,B,C
Keywords :  Type Ii Rip, Lectin, Beta-Trefoil, Carbohydrate Binding, Carbohydrate, Sugar Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. Sharma, G. Pohlentz, K. B. Bobbili, A. A. Jeyaprakash, T. Chandran, M. Mormann, M. J. Swamy, M. Vijayan
The Sequence And Structure Of Snake Gourd (Trichosanthes Anguina) Seed Lectin, A Three-Chain Nontoxic Homologue Of Type Ii Rips
Acta Crystallogr. , Sect. D V. 69 1493 2013
PubMed: search  |  Reference-DOI: 10.1107/S0907444913010020
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - LECTIN
    Chains: A
    Organism Scientific: TRICHOSANTHES ANGUINA
    Organism Taxid: 50544
    Synonym: SGSL, A ALPHA
 
Molecule 2 - LECTIN
    Chains: B
    Organism Scientific: TRICHOSANTHES ANGUINA
    Organism Taxid: 50544
    Synonym: SGSL, A BETA
 
Molecule 3 - LECTIN
    Chains: C
    Organism Scientific: TRICHOSANTHES ANGUINA
    Organism Taxid: 50544
    Synonym: SGSL

 Structural Features

(-) Chains, Units

  123
Asymmetric/Biological Unit : ABC

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (1, 2)
No.NameCountTypeFull Name
1AMG2Ligand/IonALPHA-METHYL-D-GALACTOSIDE

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP C:21 , GLY C:24 , TYR C:36 , GLN C:41 , ASN C:43BINDING SITE FOR RESIDUE AMG C 301
2AC2SOFTWAREASP C:199 , ASP C:236 , VAL C:237 , ALA C:238 , ARG C:239 , HIS C:250 , HIS C:253 , ASN C:257 , HOH C:410BINDING SITE FOR RESIDUE AMG C 302

(-) SS Bonds  (5, 5)

Asymmetric/Biological Unit
No.Residues
1B:249 -C:3
2C:19 -C:38
3C:60 -C:77
4C:149 -C:164
5C:190 -C:209

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 4HR6)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4HR6)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4HR6)

(-) Exons   (0, 0)

(no "Exon" information available for 4HR6)

(-) 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:41
                                                                         
               SCOP domains ----------------------------------------- SCOP domains
               CATH domains ----------------------------------------- CATH domains
               Pfam domains ----------------------------------------- Pfam domains
         Sec.struct. author .eee....hhhhhhhhhhhhhhhheeeeeee..eeee.... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------- PROSITE
                 Transcript ----------------------------------------- Transcript
                 4hr6 A   4 ANLRLSEANSGTYKTFIGRVREELGSETYRLYGIPVLKHSL  44
                                    13        23        33        43 


Chain B from PDB  Type:PROTEIN  Length:206
                                                                                                                                                                                                                                              
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeee.....eeeeeee....eeeeeee....eeee....hhhhhhhh....eeee.....hhhhhhhhhh.hhhhh..hhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhh..eeeeeeeee.....eeeeee..hhhhhh............. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4hr6 B  48 NRFYLLTLTSNKDESITLAIDVEDMVAVAYQPAGSHESYFFLNAPQLAFHTLFTDTHQNVLNFDNTFKSLENAAGTTRQTIVLGVDPLDFAISNLFNADPKLLPLSFLVIIQMVLEASKFRFIEQSVAYSFKNEKTFIPDLAIVSLEDNWSEISLQIQASTSLQGLFGSVVELYNSNNELIEVDSIYYPIILANVALQLYHCQVST 253
                                    57        67        77        87        97       107       117       127       137       147       157       167       177       187       197       207       217       227       237       247      


Chain C from PDB  Type:PROTEIN  Length:264
                                                                                                                                                                                                                                                                                                        
               SCOP domains d4hr6c1 C:1-133 automated matches                                                                                                    d4hr6c2 C:134-264 automated matches                                                                                                 SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ......eeee.eehhhhheeee.hhh......eeee....hhhhheeee....eee..eeee..........eee.....hhhhh..ee.....ee......eeee..........eeee...hhhhh.ee......eeeeeehhh.eeeeee....eeeeee....hhhh.eee.....eee..eeeeeeeeeeeee..eeeeeeee.........ee.....ee.......eeee.hhhhhhh.eeee....hhhhh.eee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 4hr6 C   1 NECIVETRTTRISGRDALCVDVAGALTSDGSRLILYPCGQQVNQKWTFHSDGTVRSLGKCLATNNSKFGNLVVIYDCSKLAAEDISWDVSVGGTIMNPNYEDLALTSNKATRSTNLTMEVNTYSASQGWRVGNYVQPIIGSIVGLDDMCLEATDGNTNMWLEECVPNKREQSWALYSDGTIRVDDNRELCVTASSSTYDNWKVITILNCDGSNNQRWVFLADGSISTPGNQRLAMDVARSDVDLKKIILHRPHGDLNQQWVLFY 264
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260
   Legend:   → Mismatch (orange background)
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  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  (0, 0)

(no "CATH Domain" information available for 4HR6)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4HR6)

(-) Gene Ontology  (4, 8)

Asymmetric/Biological Unit(hide GO term definitions)

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