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(-) Description

Title :  FIRST CRYSTAL STRUCTURE OF AN ENDO-INULINASE, FROM ASPERGILLUS FICUUM: STRUCTURAL ANALYSIS AND COMPARISON WITH OTHER GH32 ENZYMES.
 
Authors :  C. Michaux, J. Pouyez, G. Roussel, A. Mayard, A. M. Vandamme, I. Housen,
Date :  09 May 11  (Deposition) - 18 Jul 12  (Release) - 24 Oct 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.10
Chains :  Asym./Biol. Unit :  X
Keywords :  Endo-Inulinase, Glycoside Hydrolase Family 32, Catalytic Mechanism, Glycosidase Hydrolase Family 32, Glycosylation, Cytosol, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  J. Pouyez, A. Mayard, A. M. Vandamme, G. Roussel, E. A. Perpete, J. Wouters, I. Housen, C. Michaux
First Crystal Structure Of An Endo-Inulinase, Inu2, From Aspergillus Ficuum: Discovery Of An Extra-Pocket In The Catalytic Domain Responsible For Its Endo-Activity.
Biochimie V. 94 2423 2012
PubMed-ID: 22750808  |  Reference-DOI: 10.1016/J.BIOCHI.2012.06.020

(-) Compounds

Molecule 1 - INULINASE
    Chains: X
    EC Number: 3.2.1.7
    Organism Scientific: ASPERGILLUS FICUUM
    Organism Taxid: 5058
    Synonym: 2,1-BETA-D-FRUCTANFRUCTANOHYDROLASE, INULASE

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : X

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (7, 11)

Asymmetric/Biological Unit (7, 11)
No.NameCountTypeFull Name
1ACT1Ligand/IonACETATE ION
2BMA1Ligand/IonBETA-D-MANNOSE
3FRU2Ligand/IonFRUCTOSE
4MAN3Ligand/IonALPHA-D-MANNOSE
5NA1Ligand/IonSODIUM ION
6NAG2Ligand/IonN-ACETYL-D-GLUCOSAMINE
7SO41Ligand/IonSULFATE ION

(-) Sites  (11, 11)

Asymmetric Unit (11, 11)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREGLY X:264 , ASN X:265 , ARG X:295 , SER X:321 , MAN X:517 , HOH X:558 , HOH X:574 , HOH X:629 , HOH X:671 , HOH X:733 , HOH X:749 , NAG X:751 , HOH X:808BINDING SITE FOR RESIDUE MAN X 519
02AC2SOFTWAREARG X:295 , ASP X:440 , PRO X:441 , ALA X:442 , MAN X:518 , MAN X:519 , HOH X:695 , HOH X:733 , BMA X:752BINDING SITE FOR RESIDUE MAN X 517
03AC3SOFTWARETRP X:67 , THR X:365 , ASN X:372 , NAG X:751BINDING SITE FOR RESIDUE NAG X 750
04AC4SOFTWAREMAN X:519 , HOH X:733 , NAG X:750 , BMA X:752 , HOH X:760BINDING SITE FOR RESIDUE NAG X 751
05AC5SOFTWAREMAN X:517 , HOH X:733 , NAG X:751BINDING SITE FOR RESIDUE BMA X 752
06AC6SOFTWARETRP X:40 , MET X:41 , ASN X:42 , GLN X:59 , ASN X:61 , ILE X:70 , ASN X:320 , GLY X:323 , LYS X:332 , HOH X:566 , HOH X:705BINDING SITE FOR RESIDUE FRU X 520
07AC7SOFTWAREASN X:265 , ARG X:295 , ASP X:298 , HOH X:551 , HOH X:557 , HOH X:574BINDING SITE FOR RESIDUE NA X 521
08AC8SOFTWARETYR X:104 , VAL X:304 , ASN X:305 , ARG X:313 , HOH X:564 , HOH X:651BINDING SITE FOR RESIDUE SO4 X 995
09AC9SOFTWAREPRO X:441 , ALA X:442 , MAN X:517BINDING SITE FOR RESIDUE MAN X 518
10BC1SOFTWARESER X:287 , ASN X:293 , ALA X:449 , LYS X:450 , HOH X:666BINDING SITE FOR RESIDUE ACT X 1428
11BC2SOFTWAREGLU X:43 , GLN X:59 , PHE X:99 , THR X:100 , ARG X:175 , ASP X:176 , GLU X:233 , HOH X:780BINDING SITE FOR RESIDUE FRU X 801

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3RWK)

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Asn X:155 -Pro X:156

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3RWK)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3RWK)

(-) Exons   (0, 0)

(no "Exon" information available for 3RWK)

(-) 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 X from PDB  Type:PROTEIN  Length:493
 aligned with INU2_ASPFI | O94220 from UniProtKB/Swiss-Prot  Length:516

    Alignment length:493
                                    33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473       483       493       503       513   
           INU2_ASPFI    24 QSNDYRPSYHFTPDQYWMNEPNGLIKIGSTWHLFFQHNPTANVWGNICWGHATSTDLMHWAHKPTAIADENGVEAFTGTAYYDPNNTSGLGDSANPPYLAWFTGYTTSSQTQDQRLAFSVDNGATWTKFQGNPIISTSQEAPHDITGGLESRDPKVFFHRQSGNWIMVLAHGGQDKLSFWTSADTINWTWQSDLKSTSINGLSSDITGWEVPDMFELPVEGTEETTWVVMMTPAEGSPAGGNGVLAITGSFDGKSFTADPVDASTMWLDNGRDFDGALSWVNVPASDGRRIIAAVMNSYGSNPPTTTWKGMLSFPRTLSLKKVGTQQHFVQQPITELDTISTSLQILANQTITPGQTLLSSIRGTALDVRVAFYPDAGSVLSLAVRKGASEQTVIKYTQSDATLSVDRTESGDISYDPAAGGVHTAKLEEDGTGLVSIRVLVDTCSVEVFGGQGEAVISDLIFPSDSSDGLALEVTGGNAVLQSVDVRSVSLE 516
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...............eeeeeeeeeeee..eeeeeeeee.........eeeeeee......eeeeeee.....eeeeeeeeee...............eeeeeeeee....eeeeeeeee.......ee.......hhhhhhhhh.......eeeeeeee....eeeeeee.hhh.eeeeeee......eeeeeee.hhh.........eeeeeeeeee......eeeeeeeee...........eeeeeee....eee...hhhhhh.......eeeee...........eeeeee...........ee.ee...eeeeeeee..eeeeeeee.hhhhh.eeeeeeeeeeee..............eeeeeeeee....eeeeeeee.....eeeeee....eeeee...............eeeee........eeeeeeee..eeeeee....eeeeee........eeeeeee...eeeeeeeeeee... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3rwk X  24 QSNDYRPSYHFTPDQYWMNEPNGLIKIGSTWHLFFQHNPTANVWGNICWGHATSTDLMHWAHKPTAIADENGVEAFTGTAYYDPNNTSGLGDSANPPYLAWFTGYTTSSQTQDQRLAFSVDNGATWTKFQGNPIISTSQEAPHDITGGLESRDPKVFFHRQSGNWIMVLAHGGQDKLSFWTSADTINWTWQSDLKSTSINGLSSDITGWEVPDMFELPVEGTEETTWVVMMTPAEGSPAGGNGVLAITGSFDGKSFTADPVDASTMWLDNGRDFDGALSWVNVPASDGRRIIAAVMNSYGSNPPTTTWKGMLSFPRTLSLKKVGTQQHFVQQPITELDTISTSLQILANQTITPGQTLLSSIRGTALDVRVAFYPDAGSVLSLAVRKGASEQTVIKYTQSDATLSVDRTESGDISYDPAAGGVHTAKLEEDGTGLVSIRVLVDTCSVEVFGGQGEAVISDLIFPSDSSDGLALEVTGGNAVLQSVDVRSVSLE 516
                                    33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473       483       493       503       513
   Legend:   → Mismatch (orange background)
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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  (0, 0)

(no "SCOP Domain" information available for 3RWK)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3RWK)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3RWK)

(-) Gene Ontology  (8, 8)

Asymmetric/Biological Unit(hide GO term definitions)
Chain X   (INU2_ASPFI | O94220)
molecular function
    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.
    GO:0004553    hydrolase activity, hydrolyzing O-glycosyl compounds    Catalysis of the hydrolysis of any O-glycosyl bond.
    GO:0051670    inulinase activity    Catalysis of the endohydrolysis of 2,1-beta-D-fructosidic linkages in inulin.
biological process
    GO:0005975    carbohydrate metabolic process    The chemical reactions and pathways involving carbohydrates, any of a group of organic compounds based of the general formula Cx(H2O)y. Includes the formation of carbohydrate derivatives by the addition of a carbohydrate residue to another molecule.
    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:0000272    polysaccharide catabolic process    The chemical reactions and pathways resulting in the breakdown of a polysaccharide, a polymer of many (typically more than 10) monosaccharide residues linked glycosidically.
cellular component
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.

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