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(-) Description

Title :  CELLOBIOHYDROLASE I CEL7A FROM TRICHODERMA HARZIANUM AT 2.9A RESOLUTION
 
Authors :  L. C. Textor, F. Colussi, V. Serpa, F. Squina, N. Pereira Jr, I. Polikar
Date :  15 Feb 11  (Deposition) - 29 Feb 12  (Release) - 16 May 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.89
Chains :  Asym./Biol. Unit :  A
Keywords :  Hydrolase, Enzymatic Hydrolysis (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  L. C. Textor, F. Colussi, V. Serpa, F. Squina, N. Pereira Jr, I. Polikarpov
Cellobiohydrolase I From Trichoderma Harzianum: Structural And Enzymatic Characterization
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - EXOGLUCANASE 1
    Chains: A
    EC Number: 3.2.1.91
    Fragment: CATALYTIC CORE DOMAIN, RESIDUES 18-449
    Organism Scientific: HYPOCREA LIXII
    Organism Taxid: 5544
    Synonym: CELLOBIOHYDROLASE I, 1,4-BETA-CELLOBIOHYDROLASE, EXOCELLOBIOHYDROLASE I, CBHI, EXOGLUCANASE I

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 5)

Asymmetric/Biological Unit (3, 5)
No.NameCountTypeFull Name
1NAG3Ligand/IonN-ACETYL-D-GLUCOSAMINE
2PCA1Mod. Amino AcidPYROGLUTAMIC ACID
3PGE1Ligand/IonTRIETHYLENE GLYCOL

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLN A:23 , LYS A:61 , SER A:62 , THR A:63 , GLN A:306BINDING SITE FOR RESIDUE PGE A1446
2AC2SOFTWAREALA A:125 , ASN A:126 , THR A:129 , SER A:291BINDING SITE FOR MONO-SACCHARIDE NAG A 902 BOUND TO ASN A 126
3AC3SOFTWAREASN A:283 , PHE A:286 , GLN A:423BINDING SITE FOR MONO-SACCHARIDE NAG A 901 BOUND TO ASN A 283
4AC4SOFTWARETHR A:27 , ASN A:397BINDING SITE FOR MONO-SACCHARIDE NAG A 903 BOUND TO ASN A 397

(-) SS Bonds  (10, 10)

Asymmetric/Biological Unit
No.Residues
1A:21 -A:88
2A:36 -A:41
3A:66 -A:87
4A:77 -A:83
5A:151 -A:410
6A:185 -A:223
7A:189 -A:222
8A:243 -A:269
9A:251 -A:256
10A:274 -A:344

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Tyr A:394 -Pro A:395

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2Y9N)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2Y9N)

(-) Exons   (0, 0)

(no "Exon" information available for 2Y9N)

(-) 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:428
 aligned with GUX1_TRIHA | Q9P8P3 from UniProtKB/Swiss-Prot  Length:505

    Alignment length:428
                                    27        37        47        57        67        77        87        97       107       117       127       137       147       157       167       177       187       197       207       217       227       237       247       257       267       277       287       297       307       317       327       337       347       357       367       377       387       397       407       417       427       437        
           GUX1_TRIHA    18 QQVCTQQAETHPPLTWQKCTASGCTPQQGSVVLDANWRWTHDTKSTTNCYDGNTWSSTLCPDDATCAKNCCLDGANYSGTYGVTTSGDALTLQFVTASNVGSRLYLMANDSTYQEFTLSGNEFSFDVDVSQLPCGLNGALYFVSMDADGGQSKYPGNAAGAKYGTGYCDSQCPRDLKFINGQANVEGWEPSSNNANTGVGGHGSCCSEMDIWEANSISEALTPHPCETVGQTMCSGDSCGGTYSNDRYGGTCDPDGCDWNPYRLGNTSFYGPGSSFALDTTKKLTVVTQFATDGSISRYYVQNGVKFQQPNAQVGSYSGNTINTDYCAAEQTAFGGTSFTDKGGLAQINKAFQGGMVLVMSLWDDYAVNMLWLDSTYPTNATASTPGAKRGSCSTSSGVPAQVEAQSPNSKVIYSNIRFGPIGSTGGN 445
               SCOP domains d2y9na_ A: automated matches                                                                                                                                                                                                                                                                                                                                                                                                                 SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .ee............eeeee..eeeee..eeee.hhhh..ee.......ee..ee......hhhhhhhheee..........eeee..eeeee.ee..ee.eeeeee.......ee....eeeeeeee.......eeeeeeee...............hhhhhh.............ee..ee.....ee.......ee..eeee..eeeeeee....eeeeee.......eeee.hhh..............................ee......ee....eeeeeee.....eeeeeee..eeee...eee..eee...hhhhhhhhhhhhh.hhhhhh.hhhhhhhhhh..eeeeeeeee.....hhhhhh.......................hhhhhhhhh...eeeeeeeeeee....... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2y9n A  18 xQVCTQQAETHPPLTWQKCTASGCTPQQGSVVLDANWRWTHDTKSTTNCYDGNTWSSTLCPDDATCAKNCCLDGANYSGTYGVTTSGDALTLQFVTASNVGSRLYLMANDSTYQEFTLSGNEFSFDVDVSQLPCGLNGALYFVSMDADGGQSKYPGNAAGAKYGTGYCDSQCPRDLKFINGQANVEGWEPSSNNANTGVGGHGSCCSEMDIWEANSISEALTPHPCETVGQTMCSGDSCGGTYSNDRYGGTCDPDGCDWNPYRLGNTSFYGPGSSFALDTTKKLTVVTQFATDGSISRYYVQNGVKFQQPNAQVGSYSGNTINTDYCAAEQTAFGGTSFTDKGGLAQINKAFQGGMVLVMSLWDDYAVNMLWLDSTYPTNATASTPGAKRGSCSTSSGVPAQVEAQSPNSKVIYSNIRFGPIGSTGGN 445
                            |       27        37        47        57        67        77        87        97       107       117       127       137       147       157       167       177       187       197       207       217       227       237       247       257       267       277       287       297       307       317       327       337       347       357       367       377       387       397       407       417       427       437        
                            |                                                                                                                                                                                                                                                                                                                                                                                                                                           
                           18-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, 1)

Asymmetric/Biological Unit
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2Y9N)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2Y9N)

(-) Gene Ontology  (10, 10)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (GUX1_TRIHA | Q9P8P3)
molecular function
    GO:0016162    cellulose 1,4-beta-cellobiosidase activity    Catalysis of the hydrolysis of (1->4)-beta-D-glucosidic linkages in cellulose and cellotetraose, releasing cellobiose from the non-reducing ends of the chains.
    GO:0030248    cellulose binding    Interacting selectively and non-covalently with cellulose.
    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:0030245    cellulose catabolic process    The chemical reactions and pathways resulting in the breakdown of cellulose, a linear beta1-4 glucan of molecular mass 50-400 kDa with the pyranose units in the -4C1 conformation.
    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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    Tyr A:394 - Pro A:395   [ RasMol ]  
 

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 Related Entries

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

UniProtKB/Swiss-Prot
        GUX1_TRIHA | Q9P8P3: 2yok

(-) Related Entries Specified in the PDB File

2y9l CELLOBIOHYDROLASE I CEL7A FROM TRICHODERMA HARZIANUM AT 1.7 A RESOLUTION