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(-) Description

Title :  THERMOPHILIC B-1,4-XYLANASE FROM CHAETOMIUM THERMOPHILUM
 
Authors :  N. Hakulinen, J. Rouvinen
Date :  05 Jul 02  (Deposition) - 04 Jul 03  (Release) - 28 Sep 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.75
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Hydrolase, Xylanase, Glycosyl Hydrolase, Family 11, Thermostability Glycosidase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  N. Hakulinen, O. Turunen, J. Janis, M. Leisola, J. Rouvinen
Three-Dimensional Structures Of Thermophilic Beta- 1, 4-Xylanases From Chaetomium Thermophilum And Nonomuraea Flexuosa. Comparison Of Twelve Xylanases In Relation To Their Thermal Stability.
Eur. J. Biochem. V. 270 1399 2003
PubMed-ID: 12653995  |  Reference-DOI: 10.1046/J.1432-1033.2003.03496.X

(-) Compounds

Molecule 1 - ENDOXYLANASE 11A
    Chains: A, B
    EC Number: 3.2.1.8
    Engineered: YES
    Expression System: TRICHODERMA REESEI
    Expression System Taxid: 51453
    Fragment: CATALYTIC DOMAIN, RESIDUES 27-217
    Organism Scientific: CHAETOMIUM THERMOPHILUM
    Organism Taxid: 209285

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (5, 8)

Asymmetric Unit (5, 8)
No.NameCountTypeFull Name
1CA1Ligand/IonCALCIUM ION
2GOL1Ligand/IonGLYCEROL
3PCA2Mod. Amino AcidPYROGLUTAMIC ACID
4SO42Ligand/IonSULFATE ION
5UNX2Ligand/IonUNKNOWN ATOM OR ION
Biological Unit 1 (4, 4)
No.NameCountTypeFull Name
1CA-1Ligand/IonCALCIUM ION
2GOL1Ligand/IonGLYCEROL
3PCA1Mod. Amino AcidPYROGLUTAMIC ACID
4SO41Ligand/IonSULFATE ION
5UNX1Ligand/IonUNKNOWN ATOM OR ION
Biological Unit 2 (3, 3)
No.NameCountTypeFull Name
1CA-1Ligand/IonCALCIUM ION
2GOL-1Ligand/IonGLYCEROL
3PCA1Mod. Amino AcidPYROGLUTAMIC ACID
4SO41Ligand/IonSULFATE ION
5UNX1Ligand/IonUNKNOWN ATOM OR ION

(-) Sites  (6, 6)

Asymmetric Unit (6, 6)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG A:68 , HOH A:2324BINDING SITE FOR RESIDUE SO4 A1194
2AC2SOFTWARETHR A:10 , ASN A:12 , GLY A:13 , THR B:10 , GLY B:13BINDING SITE FOR RESIDUE CA A1195
3AC3SOFTWAREARG B:68 , HOH B:2275BINDING SITE FOR RESIDUE SO4 B1194
4AC4SOFTWARETHR A:39BINDING SITE FOR RESIDUE UNX A1193
5AC5SOFTWAREARG B:27BINDING SITE FOR RESIDUE UNX B1193
6AC6SOFTWARETRP A:19 , ARG A:123 , PRO A:127 , SER A:128 , HOH A:2235 , HOH A:2325 , HOH A:2326 , HOH A:2327 , HOH A:2328BINDING SITE FOR RESIDUE GOL A1196

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1H1A)

(-) Cis Peptide Bonds  (4, 4)

Asymmetric Unit
No.Residues
1Asn A:53 -Pro A:54
2Asn A:83 -Pro A:84
3Asn B:53 -Pro B:54
4Asn B:83 -Pro B:84

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1H1A)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1H1A)

(-) Exons   (0, 0)

(no "Exon" information available for 1H1A)

(-) 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:191
 aligned with Q8J1V6_9PEZI | Q8J1V6 from UniProtKB/TrEMBL  Length:261

    Alignment length:191
                                    36        46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216 
         Q8J1V6_9PEZI    27 QTLTSSATGTHNGYYYSFWTDGQGNIRFNLESGGQYSVTWSGNGNWVGGKGWNPGTDNRVINYTADYRPNGNSYLAVYGWTRNPLIEYYVVESFGTYDPSTGATRMGSVTTDGGTYNIYRTQRVNAPSIEGTKTFYQYWSVRTSKRTGGTVTMANHFNAWRQAGLQLGSHDYQIVATEGYYSSGSATVNVG 217
               SCOP domains d1h1aa_ A: Xylanase II                                                                                                                                                                          SCOP domains
               CATH domains -1h1aA00 A:2-191  [code=2.60.120.180, no name defined]                                                                                                                                          CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......eeeee..eeeeeee....eeeeee....eeeeeee...eeeeeeee.......eeeeeeeeeeeeeeeeeeeeeee......................................................................hhhhhhhhhhh.....eeeeeeeeeeeeeeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1h1a A   1 xTLTSSATGTHNGYYYSFWTDGQGNIRFNLESGGQYSVTWSGNGNWVGGKGWNPGTDNRVINYTADYRPNGNSYLAVYGWTRNPLIEYYVVESFGTYDPSTGATRMGSVTTDGGTYNIYRTQRVNAPSIEGTKTFYQYWSVRTSKRTGGTVTMANHFNAWRQAGLQLGSHDYQIVATEGYYSSGSATVNVG 191
                            |       10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190 
                            |                                                                                                                                                                                              
                            1-PCA                                                                                                                                                                                          


Chain B from PDB  Type:PROTEIN  Length:191
 aligned with Q8J1V6_9PEZI | Q8J1V6 from UniProtKB/TrEMBL  Length:261

    Alignment length:191
                                    36        46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216 
         Q8J1V6_9PEZI    27 QTLTSSATGTHNGYYYSFWTDGQGNIRFNLESGGQYSVTWSGNGNWVGGKGWNPGTDNRVINYTADYRPNGNSYLAVYGWTRNPLIEYYVVESFGTYDPSTGATRMGSVTTDGGTYNIYRTQRVNAPSIEGTKTFYQYWSVRTSKRTGGTVTMANHFNAWRQAGLQLGSHDYQIVATEGYYSSGSATVNVG 217
               SCOP domains d1h1ab_ B: Xylanase II                                                                                                                                                                          SCOP domains
               CATH domains -1h1aB00 B:2-191  [code=2.60.120.180, no name defined]                                                                                                                                          CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......eeeee..eeeeeee....eeeeee....eeeeeee...eeeeeeee.......eeeeeeeeeee..eeeeeeeeee...eeeeeeeee.........eeeeeeee..eeeeeeeeeeeee......eeeeeeeeee.....eeeeehhhhhhhhhhh.....eeeeeeeeeeee..eeeeeeee. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1h1a B   1 xTLTSSATGTHNGYYYSFWTDGQGNIRFNLESGGQYSVTWSGNGNWVGGKGWNPGTDNRVINYTADYRPNGNSYLAVYGWTRNPLIEYYVVESFGTYDPSTGATRMGSVTTDGGTYNIYRTQRVNAPSIEGTKTFYQYWSVRTSKRTGGTVTMANHFNAWRQAGLQLGSHDYQIVATEGYYSSGSATVNVG 191
                            |       10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190 
                            1-PCA
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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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 Unit
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1H1A)

(-) Gene Ontology  (8, 8)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (Q8J1V6_9PEZI | Q8J1V6)
molecular function
    GO:0031176    endo-1,4-beta-xylanase activity    Catalysis of the endohydrolysis of (1->4)-beta-D-xylosidic linkages in xylans.
    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.
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.
    GO:0045493    xylan catabolic process    The chemical reactions and pathways resulting in the breakdown of xylan, a polymer containing a beta-1,4-linked D-xylose backbone.

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