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(-) Description

Title :  TRYPANOSOMA RANGELI SIALIDASE
 
Authors :  A. Buschiazzo, G. A. Tavares, O. Campetella, S. Spinelli, M. L. Cremona M. F. Amaya, A. C. C. Frasch, P. M. Alzari
Date :  05 Oct 02  (Deposition) - 16 Oct 02  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.20
Chains :  Asym./Biol. Unit :  A
Keywords :  Inibitor Complex, Trypanosomal Sialidase, Sialyltransferase, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  A. Buschiazzo, G. A. Tavares, O. Campetella, S. Spinelli, M. L. Cremona, G. Paris, M. F. Amaya, A. C. C. Frasch, P. M. Alzari
Structural Basis Of Sialyltransferase Activity In Trypanosomal Sialidases
Embo J. V. 19 16 2000
PubMed-ID: 10619840  |  Reference-DOI: 10.1093/EMBOJ/19.1.16

(-) Compounds

Molecule 1 - SIALIDASE
    ChainsA
    EC Number3.2.1.18
    FragmentMATURE SIALIDASE
    Organism ScientificTRYPANOSOMA RANGELI
    Organism Taxid5698

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 5)

Asymmetric/Biological Unit (1, 5)
No.NameCountTypeFull Name
1NAG5Ligand/IonN-ACETYL-D-GLUCOSAMINE

(-) Sites  (5, 5)

Asymmetric Unit (5, 5)
No.NameEvidenceResiduesDescription
1AC1SOFTWARELYS A:12 , ASN A:15BINDING SITE FOR RESIDUE NAG A 651
2AC2SOFTWAREASN A:24 , THR A:26BINDING SITE FOR RESIDUE NAG A 652
3AC3SOFTWAREASN A:115 , SER A:128 , TRP A:130BINDING SITE FOR RESIDUE NAG A 653
4AC4SOFTWAREASN A:429 , SER A:431 , VAL A:432 , GLU A:434BINDING SITE FOR RESIDUE NAG A 654
5AC5SOFTWAREASN A:614 , GLU A:617 , HOH A:907 , HOH A:936BINDING SITE FOR RESIDUE NAG A 655

(-) SS Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1A:397 -A:411

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1MZ5)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1MZ5)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1MZ5)

(-) Exons   (0, 0)

(no "Exon" information available for 1MZ5)

(-) 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:622
 aligned with O44049_TRYRA | O44049 from UniProtKB/TrEMBL  Length:660

    Alignment length:631
                                    32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362       372       382       392       402       412       422       432       442       452       462       472       482       492       502       512       522       532       542       552       562       572       582       592       602       612       622       632       642       652 
         O44049_TRYRA    23 LAPGSSRVELFKRKNSTVPFEESNGTIRERVVHSFRIPTIVNVDGVMVATADARYETSFDNSFIETAVKYSVDDGATWNTQIAIKNSRASSVSRVMDATVIVKGNKLYILVGSFNKTRNSWTQHRDGSDWEPLLVVGEVTKSAANGKTTATISWGKPVSLKPLFPAEFDGILTKEFIGGVGAAIVGSNGNLVYPVQIADMGGRVFTKIMYSEDDGNTWKFAEGRSKFGCSEPAVLEWEGKLIINNRVDGNRRLVYESSDMGKTWVEALGTLSHVWTNSPTSNQQDCQSSFVAVTIEGKRVMLFTHPLNLKGRWMRDRLHLWMTDNQRIFDVGQISIGDENSGYSSVLYKDDKLYSLHEINTNDVYSLVFVRFIGELQLMKSVVRTWKEEDNHLASICTPVVPATPPSKGGCGAAVPTAGLVGFLSHSANGSVWEDVYRCVDANVANAERVPNGLKFNGVGGGAVWPVARQGQTRRYQFANYRFTLVATVTIDELPKGTSPLLGAGLEGPGDAKLLGLSYDKNRQWRPLYGAAPASPTGSWELHKKYHVVLTMADRQGSVYVDGQPLAGSGNTVVRGATLPDISHFYIGGPRSKGAPTDSRVTVTNIVLYNRRLNSSEIRTLFLSQDMIGTD 653
               SCOP domains d1mz5a2 A:1-403 Trypanosoma sialidase                                                                                                                                                                                                                                                                                                                                                                                    d1mz5a1 A:410-631 Trypanosoma sialidase, C-terminal domain                                                                                                                                                                     SCOP domains
               CATH domains 1mz5A01 A:1-383  [code=2.120.10.10, no name defined]                                                                                                                                                                                                                                                                                                                                           --------------------      ----1mz5A02 A:414-615  [code=2.60.120.200, no name defined]                                                                                                                                                   ---------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------      ------------------------------------------Laminin_G_3-1mz5A01 A:452-619                                                                                                                                           ------------ Pfam domains
         Sec.struct. author .....eeeeee.....eeeee.....eeeee..eeeeeeeeee..eeeeeeeee.........eeeeeeee.......eeeeee.........eeeeeeeeee..eeeeeeeee.....hhhhh.....eeeeeeeeeeeee......eeeeee...ee.hhhh..ee..eeeeeeee..ee.ee.....eeeeeeeee....eeeeeeee.......ee........eeeeeeeee..eeeeeeee......eeee.......ee.......................eeeeee..eeeeeeeee...........eeeeee....eeeeee..........eeeeee..eeeeeeeeee..eeeeeeeehhhhhhhhhhhhhhhhhhhhhhhhh.......------..........eeeeeeeee...eeee......eeee.eeee..eeee.....eeeee.hhhh....hhhhhh.eeeeeeeee......eeeeeeeee......eeeeeeee....eeeee...............eeeeeeeee..eeeeee..ee.....ee.........eeeeeee..---.......eeeeeeeee....hhhhhhhhhhhh...... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1mz5 A   1 LAPGSSRVELFKRKNSTVPFEESNGTIRERVVHSFRIPTIVNVDGVMVATADARYETSFDNSFIETAVKYSVDDGATWNTQIAIKNSRASSVSRVMDATVIVKGNKLYILVGSFNKTRNSWTQHRDGSDWEPLLVVGEVTKSAANGKTTATISWGKPVSLKPLFPAEFDGILTKEFVGGVGAAIVGSNGNLVYPVQIADMGGRVFTKIMYSEDDGNTWKFAEGRSKFGCSEPAVLEWEGKLIINNRVDGNRRLVYESSDMGKTWVEALGTLSHVWTNSPTSNQQDCQSSFVAVTIEGKRVMLFTHPLNLKGRWMRDRLHLWMTDNQRIFDVGQISIGDENSGYSSVLYKDDKLYSLHEINTNDVYSLVFVRFIGELQLMKSVVRTWKEEDNHLASICTPVVPA------GCGAAVPTAGLVGFLSHSANGSVWEDVYRCVDANVANAERVPNGLKFNGVGGGAVWPVARQGQTRRYQFANYRFTLVATVTIDELPKGTSPLLGAGLEGPGDAKLLGLSYDKNRQWRPLYGAAPASPTGSWELHKKYHVVLTMADRQGSVYVDGQPLAGSGNTVVRGATLPDISHFYIGGP---GAPTDSRVTVTNIVLYNRRLNSSEIRTLFLSQDMIGTD 631
                                    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       270       280       290       300       310       320       330       340       350       360       370       380       390       400  |    410       420       430       440       450       460       470       480       490       500       510       520       530       540       550       560       570       580       590   |   600       610       620       630 
                                                                                                                                                                                                                                                                                                                                                                                                                                            403    410                                                                                                                                                                                 590 594                                     

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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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  (2, 2)

Asymmetric/Biological Unit

(-) CATH Domains  (2, 2)

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

(-) Pfam Domains  (1, 1)

Asymmetric/Biological Unit

(-) Gene Ontology  (8, 8)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (O44049_TRYRA | O44049)
molecular function
    GO:0052794    exo-alpha-(2->3)-sialidase activity    Catalysis of the hydrolysis of alpha-(2->3)-glycosidic linkages of terminal sialic residues in substrates.
    GO:0052795    exo-alpha-(2->6)-sialidase activity    Catalysis of the hydrolysis of alpha-(2->6)-glycosidic linkages of terminal sialic residues in substrates.
    GO:0052796    exo-alpha-(2->8)-sialidase activity    Catalysis of the hydrolysis of alpha-(2->8)-glycosidic linkages of terminal sialic residues in substrates.
    GO:0004308    exo-alpha-sialidase activity    Catalysis of the hydrolysis of alpha-(2->3)-, alpha-(2->6)-, alpha-(2->8)-glycosidic linkages of terminal sialic residues in oligosaccharides, glycoproteins, glycolipids, colominic acid and synthetic substrates.
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0016798    hydrolase activity, acting on glycosyl bonds    Catalysis of the hydrolysis of any glycosyl bond.
biological process
    GO:0008152    metabolic process    The chemical reactions and pathways, including anabolism and catabolism, by which living organisms transform chemical substances. Metabolic processes typically transform small molecules, but also include macromolecular processes such as DNA repair and replication, and protein synthesis and degradation.
    GO:0009405    pathogenesis    The set of specific processes that generate the ability of an organism to induce an abnormal, generally detrimental state in another organism.

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 Related Entries

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

UniProtKB/TrEMBL
        O44049_TRYRA | O440491mz6 1n1s 1n1t 1n1v 1n1y 1wcs 2a75 2ags 2fhr

(-) Related Entries Specified in the PDB File

1mr5 ORTHORHOMBIC FORM OF TRYPANOSOMA CRUZI TRANS-SIALIDASE
1ms0 MONOCLINIC FORM OF TRYPANOSOMA CRUZI TRANS-SIALIDASE, IN COMPLEX WITH 3-DEOXY-2,3-DEHYDRO-N-ACETYLNEURAMINIC ACID (DANA)AND LACTOSE
1ms1 MONOCLINIC FORM OF TRYPANOSOMA CRUZI TRANS-SIALIDASE, IN COMPLEX WITH 3-DEOXY-2,3-DEHYDRO-N-ACETYLNEURAMINIC ACID (DANA)
1ms3 MONOCLINIC FORM OF TRYPANOSOMA CRUZI TRANS-SIALIDASE
1ms4 TRICLINIC FORM OF TRYPANOSOMA CRUZI TRANS-SIALIDASE
1ms5 TRICLINIC FORM OF TRYPANOSOMA CRUZI TRANS-SIALIDASE, SOAKED WITH N-ACETYLNEURAMINYL-A-2,3-THIO-GALACTOSIDE (NA-S-GAL)
1ms8 TRICLINIC FORM OF TRYPANOSOMA CRUZI TRANS-SIALIDASE, IN COMPLEX WITH 3-DEOXY-2,3-DEHYDRO-N-ACETYLNEURAMINIC ACID (DANA)
1ms9 TRICLINIC FORM OF TRYPANOSOMA CRUZI TRANS-SIALIDASE, IN COMPLEX WITH LACTOSE
1mz6 TRYPANOSOMA RANGELI SIALIDASE IN COMPLEX WITH INHIBITOR DANA