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(-) Description

Title :  BETA-GLUCOSIDASE B FROM PAENIBACILLUS POLYMYXA COMPLEXED WITH CELLOTETRAOSE
 
Authors :  P. Isorna, J. Sanz-Aparicio
Date :  12 May 07  (Deposition) - 02 Oct 07  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.46
Chains :  Asym./Biol. Unit :  A
Keywords :  Beta-Glucosidase, Glycosyl Hydrolase Family 1, Substrate Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  P. Isorna, J. Polaina, L. Latorre-Garcia, F. J. Canada, B. Gonzalez, J. Sanz-Aparicio
Crystal Structures Of Paenibacillus Polymyxa Beta-Glucosidase B Complexes Reveal The Molecular Basis Of Substrate Specificity And Give New Insights Into The Catalytic Machinery Of Family I Glycosidases
J. Mol. Biol. V. 371 1204 2007
PubMed-ID: 17585934  |  Reference-DOI: 10.1016/J.JMB.2007.05.082
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - BETA-GLUCOSIDASE B
    Chains: A
    EC Number: 3.2.1.21
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: DPUC18
    Expression System Strain: XL1BLUE
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Organism Scientific: PAENIBACILLUS POLYMYXA
    Organism Taxid: 1406
    Synonym: GENTIOBIASE, CELLOBIASE, BETA-D- GLUCOSIDE GLUCOHYDROLASE, AMYGDALASE

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (1, 1)
No.NameCountTypeFull Name
1CTT1Ligand/IonBETA-D-GLUCOPYRANOSYL-(1->4)-BETA-D-GLUCOPYRANOSYL-(1->4)-BETA-D-GLUCOPYRANOSYL-(1->4)-BETA-D-GLUCOPYRANOSE

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLU A:167 , GLU A:180 , ASN A:223 , ARG A:243 , TYR A:298 , GLU A:315 , GLN A:316 , MET A:326 , TRP A:328 , GLU A:356 , TRP A:402 , GLU A:409 , PHE A:418 , GLU A:426 , HOH A:541BINDING SITE FOR RESIDUE CTT A 500

(-) SS Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1A:41 -A:52

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Ala A:182 -Pro A:183

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2Z1S)

(-) PROSITE Motifs  (2, 2)

Asymmetric/Biological Unit (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GLYCOSYL_HYDROL_F1_2PS00653 Glycosyl hydrolases family 1 N-terminal signature.BGLB_PAEPO12-26  1A:12-26
2GLYCOSYL_HYDROL_F1_1PS00572 Glycosyl hydrolases family 1 active site.BGLB_PAEPO352-360  1A:352-360

(-) Exons   (0, 0)

(no "Exon" information available for 2Z1S)

(-) 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:445
 aligned with BGLB_PAEPO | P22505 from UniProtKB/Swiss-Prot  Length:448

    Alignment length:445
                                    13        23        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     
           BGLB_PAEPO     4 NTFIFPATFMWGTSTSSYQIEGGTDEGGRTPSIWDTFCQIPGKVIGGDCGDVACDHFHHFKEDVQLMKQLGFLHYRFSVAWPRIMPAAGIINEEGLLFYEHLLDEIELAGLIPMLTLYHWDLPQWIEDEGGWTQRETIQHFKTYASVIMDRFGERINWWNTINEPYCASILGYGTGEHAPGHENWREAFTAAHHILMCHGIASNLHKEKGLTGKIGITLNMEHVDAASERPEDVAAAIRRDGFINRWFAEPLFNGKYPEDMVEWYGTYLNGLDFVQPGDMELIQQPGDFLGINYYTRSIIRSTNDASLLQVEQVHMEEPVTDMGWEIHPESFYKLLTRIEKDFSKGLPILITENGAAMRDELVNGQIEDTGRHGYIEEHLKACHRFIEEGGQLKGYFVWSFLDNFEWAWGYSKRFGIVHINYETQERTPKQSALWFKQMMAKNGF 448
               SCOP domains d2z1sa_ A: automated matches                                                                                                                                                                                                                                                                                                                                                                                                                                  SCOP domains
               CATH domains 2z1sA00 A:4-448 Glycosidases                                                                                                                                                                                                                                                                                                                                                                                                                                  CATH domains
               Pfam domains Glyco_hydro_1-2z1sA01 A:4-448                                                                                                                                                                                                                                                                                                                                                                                                                                 Pfam domains
         Sec.struct. author .........eeeee.hhhhhh..........hhhhhhh.....hhhhh......hhhhhhhhhhhhhhhhh..eeeee.hhhhhh......hhhhhhhhhhhhhhhhhhh.eeeeeee....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....eeeeeehhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhhhhhh....eeeeeee...eee...hhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhh....hhhhhhh.....eeee....eeeee........eee..............hhhhhhhhhhhhhhh......eeeeee.......ee..ee.hhhhhhhhhhhhhhhhhhh.....eeeeeee......hhhhhhhh....eee......eeehhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------GLYCOSYL_HYDROL-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------GLYCOSYL_---------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2z1s A   4 NTFIFPATFMWGTSTSSYQIEGGTDEGGRTPSIWDTFCQIPGKVIGGDCGDVACDHFHHFKEDVQLMKQLGFLHYRFSVAWPRIMPAAGIINEEGLLFYEHLLDEIELAGLIPMLTLYHWDLPQWIEDEGGWTQRETIQHFKTYASVIMDRFGERINWWNTINEPYCASILGYGTGEHAPGHENWREAFTAAHHILMCHGIASNLHKEKGLTGKIGITLNMEHVDAASERPEDVAAAIRRDGFINRWFAEPLFNGKYPEDMVEWYGTYLNGLDFVQPGDMELIQQPGDFLGINYYTRSIIRSTNDASLLQVEQVHMEEPVTDMGWEIHPESFYKLLTRIEKDFSKGLPILITENGAAMRDELVNGQIEDTGRQRYIEEHLKACHRFIEEGGQLKGYFVWSFLDNFEWAWGYSKRFGIVHINYETQERTPKQSALWFKQMMAKNGF 448
                                    13        23        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
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  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  (1, 1)

Asymmetric/Biological Unit
(-)
Clan: Glyco_hydro_tim (488)

(-) Gene Ontology  (9, 9)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (BGLB_PAEPO | P22505)
molecular function
    GO:0008422    beta-glucosidase activity    Catalysis of the hydrolysis of terminal, non-reducing beta-D-glucose residues with release of beta-D-glucose.
    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:0102483    scopolin beta-glucosidase activity    Catalysis of the reaction: H2O + scopolin <=> beta-D-glucose + scopoletin
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.

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 Related Entries

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

UniProtKB/Swiss-Prot
        BGLB_PAEPO | P22505: 2jie 2o9p 2o9r 2o9t

(-) Related Entries Specified in the PDB File

2jie 2o9p 2o9r 2o9t