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(-) Description

Title :  A COMMON PROTEIN FOLD AND SIMILAR ACTIVE SITE IN TWO DISTINCT FAMILIES OF BETA-GLYCANASES
 
Authors :  P. M. Alzari, R. Dominguez
Date :  07 Jun 95  (Deposition) - 29 Jan 96  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.15
Chains :  Asym./Biol. Unit :  A
Keywords :  Glycosyl Hydrolase, Cellulase, Family A/5 Of Cellulases/Glycosyl Hydrolases, Clostridium Thermocellum, Endoglucanase C, Hydrolase (Glycosyl) (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  R. Dominguez, H. Souchon, S. Spinelli, Z. Dauter, K. S. Wilson, S. Chauvaux, P. Beguin, P. M. Alzari
A Common Protein Fold And Similar Active Site In Two Distinct Families Of Beta-Glycanases.
Nat. Struct. Biol. V. 2 569 1995
PubMed-ID: 7664125  |  Reference-DOI: 10.1038/NSB0795-569
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - ENDOGLUCANASE CELC
    Chains: A
    EC Number: 3.2.1.4
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Gene: MC1061
    Expression System Plasmid: PCT301
    Expression System Taxid: 562
    Gene: MC1061
    Organism Scientific: CLOSTRIDIUM THERMOCELLUM
    Organism Taxid: 1515
    Other Details: CELLULASE FAMILY A/5
    Strain: NCIB 10682
    Synonym: EGC, CELLULASE CELC, ENDO-1,4-BETA-GLUCANASE CELC

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 1CEC)

(-) Sites  (0, 0)

(no "Site" information available for 1CEC)

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (3, 3)

Asymmetric/Biological Unit
No.Residues
1Asn A:201 -Pro A:202
2Tyr A:225 -Pro A:226
3Trp A:313 -Asn A:314

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (1, 1)

Asymmetric/Biological Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GLYCOSYL_HYDROL_F5PS00659 Glycosyl hydrolases family 5 signature.GUNC_CLOTH133-142  1A:133-142
GUNC_CLOTM133-142  1A:133-142

(-) Exons   (0, 0)

(no "Exon" information available for 1CEC)

(-) 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:331
 aligned with GUNC_CLOTH | A3DJ77 from UniProtKB/Swiss-Prot  Length:343

    Alignment length:339
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331         
           GUNC_CLOTH     2 VSFKAGINLGGWISQYQVFSKEHFDTFITEKDIETIAEAGFDHVRLPFDYPIIESDDNVGEYKEDGLSYIDRCLEWCKKYNLGLVLDMHHAPGYRFQDFKTSTLFEDPNQQKRFVDIWRFLAKRYINEREHIAFELLNEVVEPDSTRWNKLMLECVKAIREIDSTRWLYIGGNNYNSPDELKNLADIDDDYIVYNFHFYNPFFFTHQKAHWSESAMAYNRTVKYPGQYEGIEEFVKNNPKYSFMMELNNLKLNKELLRKDLKPAIEFREKKKCKLYCGEFGVIAIADLESRIKWHEDYISLLEEYDIGGAVWNYKKMDFEIYNEDRKPVSQELVNILAR 340
               SCOP domains d1ceca_ A: Endoglucanase CelC                                                                                                                                                                                                                                                                                                                       SCOP domains
               CATH domains 1cecA00 A:2-340 Glycosidases                                                                                                                                                                                                                                                                                                                        CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeee............hhhhhh...hhhhhhhhhh...eeeeee.hhh...........hhhhhhhhhhhhhhhhh..eeeeee.....--------......hhhhhhhhhhhhhhhhh.......eeee..........hhhhhhhhhhhhhhhhh.....eeee.hhhh.hhhhhh........eeeeeee...hhhh.......hhhhhh............hhhhhhh.hhhhhhhhh......hhhhhhhhhhhhhhhhhh..eeeeeee.......hhhhhhhhhhhhhhhhh....eee...................hhhhhhh.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) -----------------------------------------------------------------------------------------------------------------------------------GLYCOSYL_H------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (2)
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1cec A   2 VSFKAGINLGGWISQYQVFSKEHFDTFITEKDIETIAEAGFDHVRLPFDYPIIESDDNVGEYKEDGLSYIDRCLEWCKKYNLGLVLDMHHAPG--------STLFEDPNQQKRFVDIWRFLAKRYINEREHIAFELLNEVVEPDSTRWNKLMLECIKAIREIDSTMWLYIGGNNYNSPDELKNLADIDDDYIVYNFHFYNPFFFTHQKAHWSESAMAYNRTVKYPGQYEGIEEFVKNNPKYSFMMELNNLKLNKELLRKDLKPAIEFREKKKCKLYCGEFGVIAIADLESRIKWHEDYISLLEEYDIGGAVWNYKKMDFEIYNEDRKPVSQELVNILAR 340
                                    11        21        31        41        51        61        71        81        91  |      - |     111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331         
                                                                                                                       94      103                                                                                                                                                                                                                                             


Chain A from PDB  Type:PROTEIN  Length:331
 aligned with GUNC_CLOTM | P0C2S3 from UniProtKB/Swiss-Prot  Length:343

    Alignment length:339
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331         
           GUNC_CLOTM     2 VSFKAGINLGGWISQYQVFSKEHFDTFITEKDIETIAEAGFDHVRLPFDYPIIESDDNVGEYKEDGLSYIDRCLEWCKKYNLGLVLDMHHAPGYRFQDFKTSTLFEDPNQQKRFVDIWRFLAKRYINEREHIAFELLNEVVEPDSTRWNKLMLEYIKAIREIDSTMWLYIGGNNYNSPDELKNLADIDDDYIVYNFHFYNPFFFTHQKAHWSESAMAYNRTVKYPGQYEGIEEFVKNNPKYSFMMELNNLKLNKELLRKDLKPAIEFREKKKCKLYCGEFGVIAIADLESRIKWHEDYISLLEEYDIGGAVWNYKKMDFEIYNEDRKPVSQELVNILAR 340
               SCOP domains d1ceca_ A: Endoglucanase CelC                                                                                                                                                                                                                                                                                                                       SCOP domains
               CATH domains 1cecA00 A:2-340 Glycosidases                                                                                                                                                                                                                                                                                                                        CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeee............hhhhhh...hhhhhhhhhh...eeeeee.hhh...........hhhhhhhhhhhhhhhhh..eeeeee.....--------......hhhhhhhhhhhhhhhhh.......eeee..........hhhhhhhhhhhhhhhhh.....eeee.hhhh.hhhhhh........eeeeeee...hhhh.......hhhhhh............hhhhhhh.hhhhhhhhh......hhhhhhhhhhhhhhhhhh..eeeeeee.......hhhhhhhhhhhhhhhhh....eee...................hhhhhhh.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----------------------------------------------------------------------------------------------------------------------------------GLYCOSYL_H------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1cec A   2 VSFKAGINLGGWISQYQVFSKEHFDTFITEKDIETIAEAGFDHVRLPFDYPIIESDDNVGEYKEDGLSYIDRCLEWCKKYNLGLVLDMHHAPG--------STLFEDPNQQKRFVDIWRFLAKRYINEREHIAFELLNEVVEPDSTRWNKLMLECIKAIREIDSTMWLYIGGNNYNSPDELKNLADIDDDYIVYNFHFYNPFFFTHQKAHWSESAMAYNRTVKYPGQYEGIEEFVKNNPKYSFMMELNNLKLNKELLRKDLKPAIEFREKKKCKLYCGEFGVIAIADLESRIKWHEDYISLLEEYDIGGAVWNYKKMDFEIYNEDRKPVSQELVNILAR 340
                                    11        21        31        41        51        61        71        81        91  |      - |     111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331         
                                                                                                                       94      103
   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 1CEC)

(-) Gene Ontology  (8, 16)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (GUNC_CLOTM | P0C2S3)
molecular function
    GO:0008810    cellulase activity    Catalysis of the endohydrolysis of (1->4)-beta-D-glucosidic linkages in cellulose, lichenin and cereal beta-D-glucans.
    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.

Chain A   (GUNC_CLOTH | A3DJ77)
molecular function
    GO:0008810    cellulase activity    Catalysis of the endohydrolysis of (1->4)-beta-D-glucosidic linkages in cellulose, lichenin and cereal beta-D-glucans.
    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.

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 Related Entries

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

UniProtKB/Swiss-Prot
        GUNC_CLOTH | A3DJ77: 1cen 1ceo
        GUNC_CLOTM | P0C2S3: 1cen 1ceo

(-) Related Entries Specified in the PDB File

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