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(-) Description

Title :  THERMOSTABLE XYLANASE I FROM THERMOASCUS AURANTIACUS - XYLOBIOSE COMPLEX AT 100 K
 
Authors :  L. Lo Leggio, S. Larsen
Date :  23 Oct 01  (Deposition) - 07 Dec 01  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.70
Chains :  Asym./Biol. Unit :  A
Keywords :  Hydrolase, Xylanase, Family 10, Plant Cell Wall Degradation, Thermostable (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  L. Lo Leggio, S. Kalogiannis, K. Eckert, S. C. M. Teixeira, M. K. Bhat, C. Andrei, R. W. Pickersgill, S. Larsen
Substrate Specificity And Subsite Mobility In T. Aurantiacus Xylanase 10A
Febs Lett. V. 509 303 2001
PubMed-ID: 11741607  |  Reference-DOI: 10.1016/S0014-5793(01)03177-5

(-) Compounds

Molecule 1 - ENDO-1,4-BETA-XYLANASE
    Chains: A
    EC Number: 3.2.1.8
    Organism Scientific: THERMOASCUS AURANTIACUS
    Organism Taxid: 5087
    Synonym: XYLANASE, 1,4-BETA-D-XYLAN XYLANOHYDROLASE

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 3)

Asymmetric/Biological Unit (3, 3)
No.NameCountTypeFull Name
1PCA1Mod. Amino AcidPYROGLUTAMIC ACID
2XYP1Ligand/IonBETA-D-XYLOPYRANOSE
3XYS1Ligand/IonXYLOPYRANOSE

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLU A:46 , ASN A:47 , LYS A:50 , GLN A:90 , TRP A:267 , XYS A:402 , HOH A:2247BINDING SITE FOR RESIDUE XYP A 401
2AC2SOFTWARELYS A:50 , HIS A:83 , ASN A:130 , GLU A:131 , GLN A:207 , HIS A:209 , GLU A:237 , TRP A:267 , TRP A:275 , XYP A:401BINDING SITE FOR RESIDUE XYS A 402

(-) SS Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1A:255 -A:261

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1His A:83 -Thr A:84

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (2, 2)

Asymmetric/Biological Unit (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GH10_2PS51760 Glycosyl hydrolases family 10 (GH10) domain profile.XYNA_THEAU29-326  1A:3-300
2GH10_1PS00591 Glycosyl hydrolases family 10 (GH10) active site.XYNA_THEAU256-266  1A:230-240

(-) Exons   (0, 0)

(no "Exon" information available for 1GOR)

(-) 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:303
 aligned with XYNA_THEAU | P23360 from UniProtKB/Swiss-Prot  Length:329

    Alignment length:303
                                    36        46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316       326   
           XYNA_THEAU    27 QAAQSVDQLIKARGKVYFGVATDQNRLTTGKNAAIIQADFGQVTPENSMKWDATEPSQGNFNFAGADYLVNWAQQNGKLIRGHTLVWHSQLPSWVSSITDKNTLTNVMKNHITTLMTRYKGKIRAWDVVNEAFNEDGSLRQTVFLNVIGEDYIPIAFQTARAADPNAKLYINDYNLDSASYPKTQAIVNRVKQWRAAGVPIDGIGSQTHLSAGQGAGVLQALPLLASAGTPEVAITELDVAGASPTDYVNVVNACLNVQSCVGITVWGVADPDSWRASTTPLLFDGNFNPKPAYNAIVQDLQQ 329
               SCOP domains d1gora_ A: Xylanase A, catalytic core                                                                                                                                                                                                                                                                           SCOP domains
               CATH domains -1gorA00 A:2-303 Glycosidases                                                                                                                                                                                                                                                                                   CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhhhhh...eeeeeehhhhhh..hhhhhhhhhh.eeee....hhhhhh.......hhhhhhhhhhhhhh..eeee.........hhhhhh..hhhhhhhhhhhhhhhhhhhh.....eeeeee...........hhhhhhhh.hhhhhhhhhhhhhh...eeeeee.......hhhhhhhhhhhhhhhhh.....eeee.......hhhhhhhhhhhhhh....eeeeeeeee...hhhhhhhhhhhhhhh..eeeeee....hhhh.hhhhh..........hhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) --GH10_2  PDB: A:3-300 UniProt: 29-326                                                                                                                                                                                                                                                                      --- PROSITE (1)
                PROSITE (2) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------GH10_1     --------------------------------------------------------------- PROSITE (2)
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1gor A   1 xAAQSVDQLIKARGKVYFGVATDQNRLTTGKNAAIIQADFGQVTPENSMKWDATEPSQGNFNFAGADYLVNWAQQNGKLIRGHTLVWHSQLPSWVSSITDKNTLTNVMKNHITTLMTRYKGKIRAWDVVNEAFNEDGSLRQTVFLNVIGEDYIPIAFQTARAADPNAKLYINDYNLDSASYPKTQAIVNRVKQWRAAGVPIDGIGSQTHLSAGQGAGVLQALPLLASAGTPEVAITELDVAGASPTDYVNVVNACLNVQSCVGITVWGVADPDSWRASTTPLLFDGNFNPKPAYNAIVQDLQQ 303
                            |       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   
                            |                                                                                                                                                                                                                                                                                                              
                            1-PCA
   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, 1)

Asymmetric/Biological Unit
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (8, 8)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (XYNA_THEAU | P23360)
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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 Related Entries

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

UniProtKB/Swiss-Prot
        XYNA_THEAU | P23360: 1gok 1gom 1goo 1goq 1i1w 1i1x 1k6a 1tux 2bnj 3nyd 3o2l 4bs0

(-) Related Entries Specified in the PDB File

1fxm CRYSTAL STRUCTURE OF THE THERMOASCUS AURANTIACUS XYLANASE I
1gok THERMOSTABLE XYLANASE I FROM THERMOASCUS AURANTIACUS
1gom THERMOSTABLE XYLANASE I FROM THERMOASCUS AURANTIACUS
1goo THERMOSTABLE XYLANASE I FROM THERMOASCUS AURANTIACUS
1goq THERMOSTABLE XYLANASE I FROM THERMOASCUS AURANTIACUS
1tax THERMOSTABLE XYLANASE I FROM THERMOASCUS AURANTIACUS
1tix THERMOSTABLE XYLANASE I FROM THERMOASCUS AURANTIACUS