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(-) Description

Title :  CELLOBIOSE-DERIVED IMIDAZOLE COMPLEX OF THE ENDOGLUCANASE CEL5A FROM BACILLUS AGARADHAERENS AT 0.97 A RESOLUTION
 
Authors :  A. Varrot, M. Schulein, M. Pipelier, A. Vasella, G. J. Davies
Date :  20 Jan 99  (Deposition) - 21 Jan 00  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  0.97
Chains :  Asym./Biol. Unit :  A
Keywords :  Cellulose Degradation, Glycoside Hydrolase Family 5, Endoglucanase, Transition State Analogue, Lateral Protonation, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. Varrot, M. Schulein, M. Pipelier, A. Vasella, G. J. Davies
Lateral Protonation Of A Glycosidase Inhibitor. Structure O The Bacillus Agaradhaerens Cel5A In Complex With A Cellobiose-Derived Imidazole At 0. 97 A Resolution
J. Am. Chem. Soc. V. 121 2621 1999
PubMed: search

(-) Compounds

Molecule 1 - PROTEIN (ENDOGLUCANASE)
    Chains: A
    EC Number: 3.2.1.4
    Engineered: YES
    Expression System: BACILLUS SUBTILIS
    Expression System Plasmid: THERRAMYL-AMYLASE PROMOTER SYSTEM
    Expression System Strain: PL2306
    Expression System Taxid: 1423
    Expression System Vector: PMOL995
    Expression System Vector Type: BACILLUS, CELLULASE NEGATIVE STRAIN
    Fragment: CATALYTIC CORE DOMAIN
    Organism Scientific: BACILLUS AGARADHAERENS
    Organism Taxid: 76935
    Strain: AC13 (NCIMB 40482)
    Synonym: CELLULASE

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 10)

Asymmetric/Biological Unit (4, 10)
No.NameCountTypeFull Name
1ACT1Ligand/IonACETATE ION
2GOL7Ligand/IonGLYCEROL
3IDC1Ligand/Ion5-HYDROXYMETHYL-5,6,7,8-TETRAHYDRO-IMIDAZO[1,2-A]PYRIDIN-6YL-7,8-DIOL-GLUCOPYRANOSIDE
4SO41Ligand/IonSULFATE ION

(-) Sites  (12, 12)

Asymmetric Unit (12, 12)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREARG A:53 , HOH A:887 , HOH A:926BINDING SITE FOR RESIDUE SO4 A 607
02AC2SOFTWAREARG A:297 , ARG A:301BINDING SITE FOR RESIDUE ACT A 608
03AC3SOFTWAREHIS A:35 , TRP A:39 , TYR A:66 , HIS A:101 , LEU A:103 , ASN A:138 , GLU A:139 , TYR A:202 , GLU A:228 , ALA A:234 , THR A:235 , GLY A:236 , TRP A:262 , LYS A:267 , GLU A:269 , HOH A:749 , HOH A:786 , HOH A:891 , HOH A:948BINDING SITE FOR RESIDUE IDC A 500
04AC4SOFTWARESER A:69 , GLY A:70 , VAL A:240 , PRO A:291 , HOH A:727 , HOH A:818 , HOH A:965 , HOH A:1019BINDING SITE FOR RESIDUE GOL A 600
05AC5SOFTWAREGLU A:80 , LYS A:83 , GLU A:84 , GLU A:87 , LYS A:152 , GLU A:156 , GLN A:189 , HOH A:678 , HOH A:692BINDING SITE FOR RESIDUE GOL A 601
06AC6SOFTWARETYR A:72 , ILE A:73 , PRO A:76 , HOH A:908BINDING SITE FOR RESIDUE GOL A 602
07AC7SOFTWAREGLN A:11 , SER A:13 , ASN A:168 , GLY A:204 , PHE A:241 , HOH A:642 , HOH A:689 , HOH A:697 , HOH A:698 , HOH A:751 , HOH A:858BINDING SITE FOR RESIDUE GOL A 603
08AC8SOFTWARELYS A:116 , ASP A:117 , ASP A:120 , ASN A:279 , HOH A:676 , HOH A:769 , HOH A:816 , HOH A:845 , HOH A:877 , HOH A:905BINDING SITE FOR RESIDUE GOL A 604
09AC9SOFTWAREGLU A:87 , ASP A:91 , HOH A:681 , HOH A:719 , HOH A:809 , HOH A:854 , HOH A:1103BINDING SITE FOR RESIDUE GOL A 605
10ACIAUTHORGLU A:139CATALYTIC ACID/BASE
11BC1SOFTWARETHR A:146 , TRP A:147 , GLY A:148 , ASN A:149 , HIS A:184 , ASN A:188 , HOH A:668 , HOH A:669 , HOH A:679 , HOH A:950 , HOH A:1012 , HOH A:1068 , HOH A:1105BINDING SITE FOR RESIDUE GOL A 606
12NUCAUTHORGLU A:228CATALYTIC NUCLEOPHILE

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 8A3H)

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Trp A:262 -Ser A:263

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 8A3H)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 8A3H)

(-) Exons   (0, 0)

(no "Exon" information available for 8A3H)

(-) 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:300
                                                                                                                                                                                                                                                                                                                                            
               SCOP domains d8a3ha_ A: Endoglucanase Cel5a                                                                                                                                                                                                                                                                               SCOP domains
               CATH domains 8a3hA00 A:4-303 Glycosidases                                                                                                                                                                                                                                                                                 CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .hhhhh...eee..eee.........eeee...hhhhhhh..hhhhhhhhhh....eeeeeee.........hhhhhhhhhhhhhhhhh..eeeeeee......hhhhhhhhhhhhhhhhhhh.....eeee...............hhhhhhhhhhhhhhh.....eee..hhhh..hhhhh........eee..eee.....hhhhhhhhhhhhh.......eee...........hhhhhhhhhhhhh....eee........................hhh..hhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 8a3h A   4 SVVEEHGQLSISNGELVNERGEQVQLKGMSSHGLQWYGQFVNYESMKWLRDDWGINVFRAAMYTSSGGYIDDPSVKEKVKEAVEAAIDLDIYVIIDWHILSDNDPNIYKEEAKDFFDEMSELYGDYPNVIYEIANEPNGSDVTWGNQIKPYAEEVIPIIRNNDPNNIIIVGTGTWSQDVHHAADNQLADPNVMYAFHFYAGTHGQNLRDQVDYALDQGAAIFVSEWGTSAATGDGGVFLDEAQVWIDFMDERNLSWANWSLTHKDESSAALMPGANPTGGWTEAELSPSGTFVREKIRES 303
                                    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
   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  (0, 0)

(no "Pfam Domain" information available for 8A3H)

(-) Gene Ontology  (10, 20)

Asymmetric/Biological Unit(hide GO term definitions)

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  Cis Peptide Bonds
    Trp A:262 - Ser A:263   [ RasMol ]  
 

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 Related Entries

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

UniProtKB/Swiss-Prot
        GUN2_BACCJ | P06565: 1qhz 1qi0 1qi2 4a3h
        GUN5_BACAG | O85465: 1a3h 1e5j 1h11 1h2j 1h5v 1hf6 1ocq 1qhz 1qi0 1qi2 1w3k 1w3l 2a3h 2v38 3a3h 4a3h 5a3h 6a3h 7a3h

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